{"id":107955,"date":"2019-09-05T09:33:30","date_gmt":"2019-09-05T00:33:30","guid":{"rendered":"https:\/\/www.sejuku.net\/blog\/?p=107955"},"modified":"2024-05-06T11:56:00","modified_gmt":"2024-05-06T02:56:00","slug":"%e3%80%90java%e5%85%a5%e9%96%80%e3%80%91%e5%9f%ba%e6%9c%ac%e6%96%87%e6%b3%95%e3%82%92%e3%81%be%e3%81%a8%e3%82%81%e3%81%a6%e8%a7%a3%e8%aa%ac","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/107955","title":{"rendered":"Java\u306e\u57fa\u672c\u6587\u6cd5\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\uff01\u521d\u5fc3\u8005\u304c\u7528\u8a9e\u3082\u30af\u30e9\u30b9\u3082\u4e38\u308f\u304b\u308a"},"content":{"rendered":"<div class=\"box_voice\">\n\n\n\n<p>Java\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u3084\u7528\u8a9e\u3092\u899a\u3048\u305f\u3044<br>\u96e3\u3057\u3044\u6761\u4ef6\u5206\u5c90\u3084\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u7406\u89e3\u3057\u305f\u3044<\/p>\n\n\n<\/div>\n\n\n\n<p>\u3053\u3053\u3067\u306f<strong>Java\u306e\u57fa\u672c<\/strong>\u3068\u306a\u308b\u5909\u6570\u306e\u4f7f\u3044\u65b9\u3084\u30c7\u30fc\u30bf\u578b\u3001\u6761\u4ef6\u5206\u5c90\u3084\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306a\u3069\u3001\u5fc5\u9808\u3067\u899a\u3048\u3066\u304a\u304f\u3079\u304d\u6587\u6cd5\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u7d39\u4ecb\u3059\u308b\u6587\u6cd5\u306fJava\u306e\u6700\u3082\u57fa\u672c\u7684\u306a\u51e6\u7406\u3068\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u4f7f\u3044\u65b9\u306f\u3057\u3063\u304b\u308a\u3068\u7406\u89e3\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u306a\u304a\u3001Java\u306e\u8a18\u4e8b\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/www.sejuku.net\/blog\/148098\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u3061\u3089<\/a>\u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Java\u306e\u74b0\u5883\u69cb\u7bc9<\/h2>\n\n\n<div class=\"wp-block-image img-caption\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2021\/06\/shutterstock_537938026-edited.jpg\" alt=\"\" class=\"wp-image-136771\" width=\"700\"\/><figcaption>Java\u306e\u74b0\u5883\u69cb\u7bc9<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Java\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u306b\u306f\u3001<strong>\u958b\u767a\u74b0\u5883\u3092\u6e96\u5099\u3059\u308b\u5fc5\u8981<\/strong>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>Java\u306e\u958b\u767a\u74b0\u5883\u306fJava\u306eJDK\uff08Java Development Kit \uff09\u3068Eclipse\u3084\u3001\u7dcf\u5408\u958b\u767a\u74b0\u5883\u300cPleiades All in One\u300d\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u65b9\u6cd5\u3067\u6e96\u5099\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>Java\u306e\u74b0\u5883\u69cb\u7bc9\u306b\u3064\u3044\u3066\u3001\u8a73\u3057\u304f\u306f\u4e0b\u8a18\u306e\u8a18\u4e8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/12236\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/03\/shutterstock_595820321-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u521d\u5fc3\u8005\u5fc5\u898b\uff01\u3011Java\u306e\u958b\u767a\u74b0\u5883\u3092\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\uff01<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2025\u5e7412\u670826\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h2 class=\"wp-block-heading\">Java\u306e\u57fa\u672c\u6587\u6cd5<\/h2>\n\n\n<div class=\"wp-block-image img-caption\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2021\/01\/shutterstock_1667126491.jpg\" alt=\"\" class=\"wp-image-131981\"\/><figcaption>Java\u306e\u57fa\u672c\u6587\u6cd5<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Java\u306e\u57fa\u672c\u6587\u6cd5\u3092\u30b3\u30fc\u30c9\u3064\u304d\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n<div class=\"box01\">\n\n\n\n<ul class=\"wp-block-list\"><li>\u5909\u6570<\/li><li>\u30c7\u30fc\u30bf\u578b<\/li><li>\u30b3\u30e1\u30f3\u30c8<\/li><li>\u6f14\u7b97\u5b50<\/li><li>\u914d\u5217<\/li><li>\u6761\u4ef6\u5206\u5c90<\/li><li>\u7e70\u308a\u8fd4\u3057\u51e6\u7406\uff08for\uff09<\/li><li>\u7e70\u308a\u8fd4\u3057\u51e6\u7406\uff08while\uff09<\/li><li>break<\/li><li>\u30af\u30e9\u30b9<\/li><li>\u30e1\u30bd\u30c3\u30c9<\/li><\/ul>\n\n\n<\/div>\n\n\n\n<p>\u305d\u308c\u305e\u308c\u306e\u69cb\u6587\u306e\u3001\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c7\u30fc\u30bf\u578b<\/h3>\n\n\n\n<p>\u30c7\u30fc\u30bf\u578b\u3068\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u3067\u306e\u6570\u5b57\u3084\u6587\u5b57\u306a\u3069\u3001<strong>\u683c\u7d0d\u3059\u308b\u30c7\u30fc\u30bf\u306e\u7a2e\u985e\u3092\u5206\u985e\u3059\u308b\u3068\u304d\u306b\u6307\u5b9a\u3059\u308b\u3082\u306e<\/strong>\u3067\u3059\u3002Java\u3067\u306f\u5909\u6570\u306e\u5ba3\u8a00\u3068\u540c\u6642\u306b\u3001\u30c7\u30fc\u30bf\u578b\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6570\u5024\u3092\u6271\u3046\u30c7\u30fc\u30bf\u578b<\/p>\n\n\n\n<table class=\"table4\">\n<thead>\n<tr class=\"tr4\">\n<td class=\"name4\">\u30c7\u30fc\u30bf\u578b\u306e\u7a2e\u985e<\/td>\n<td class=\"st4\">\u540d\u79f0<\/td>\n<td class=\"ch4\">\u6d88\u8cbb\u30e1\u30e2\u30ea<\/td>\n<td class=\"pr4\">\u7bc4\u56f2<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr><td>byte<\/td><td>\u30d0\u30a4\u30c8\u578b<\/td><td>1\u30d0\u30a4\u30c8<\/td><td>-128~127<\/td><\/tr><tr><td>short<\/td><td>\u77ed\u6574\u6570\u578b<\/td><td>2\u30d0\u30a4\u30c8<\/td><td>-32768~32767<\/td><\/tr><tr><td>int<\/td><td>\u6574\u6570\u578b<\/td><td>4\u30d0\u30a4\u30c8<\/td><td>-2147483648~<br>2147483647<\/td><\/tr><tr><td>long<\/td><td>\u9577\u6574\u6570\u578b<\/td><td>8\u30d0\u30a4\u30c8<\/td><td>-9223372036854775808~<br>9223372036854775807<\/td><\/tr><tr><td>float<\/td><td>\u5358\u7cbe\u5ea6\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u578b<\/td><td>4\u30d0\u30a4\u30c8<\/td><td>\u00b13.40282347E+38~<br>\u00b11.40239846E-45<\/td><\/tr><tr><td>double<\/td><td>\u500d\u7cbe\u5ea6\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u578b<\/td><td>8\u30d0\u30a4\u30c8<\/td><td>\u00b11.79769313486231570E+308~<br>\u00b14.94065645841246544E-324<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p>\u305d\u306e\u4ed6\u306e\u30c7\u30fc\u30bf\u578b<\/p>\n\n\n\n<table class=\"table4\">\n<thead>\n<tr class=\"tr4\">\n<td class=\"name4\">\u30c7\u30fc\u30bf\u578b\u306e\u7a2e\u985e<\/td>\n<td class=\"st4\">\u540d\u79f0<\/td>\n<td class=\"ch4\">\u6d88\u8cbb\u30e1\u30e2\u30ea<\/td>\n<td class=\"pr4\">\u8aac\u660e<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr><td>char<\/td><td>\u6587\u5b57\u578b<\/td><td>2\u30d0\u30a4\u30c8<\/td><td>\u00a5u0000~\u00a5uFFFF<\/td><\/tr><tr><td>String<\/td><td>\u6587\u5b57\u5217\u578b<\/td><td>4\u30d0\u30a4\u30c8<br>(64\u30d3\u30c3\u30c8JVM\u3067\u306f8\u30d0\u30a4\u30c8)<\/td><td>\u53c2\u7167\u578b<\/td><\/tr><tr><td>boolean<\/td><td>\u30d6\u30fc\u30ea\u30a2\u30f3\u578b<\/td><td>1\u30d0\u30a4\u30c8<\/td><td>true(\u771f)\u304bfalse(\u507d)\u304b<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p>\u30c7\u30fc\u30bf\u578b\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u3088\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/48345\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/04\/java-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u3011\u6574\u6570\u578b(int,long,byte,short)\u4e00\u89a7\u307e\u3068\u3081!\u6700\u5927\u5024\u3082\u4e38\u308f\u304b\u308a<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/41241\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/12\/java_boolean-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011boolean\u3068Boolean\u306e\u4f7f\u3044\u65b9(\u521d\u671f\u5024\u3082\u89e3\u8aac)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/21098\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/04\/javadateformat-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011Date\u578b\u306e\u4f7f\u3044\u65b9(\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u30fb\u6bd4\u8f03)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30e1\u30f3\u30c8<\/h3>\n\n\n<div class=\"wp-block-image img-caption\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/09\/shutterstock_1919266184.jpg\" alt=\"\" class=\"wp-image-139439\"\/><figcaption>\u30b3\u30e1\u30f3\u30c8<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u30b3\u30e1\u30f3\u30c8\u306f\u3001<strong>\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u76ee\u7684\u3084\u6a5f\u80fd\u306a\u3069\u3092\u6b63\u3057\u304f\u4f1d\u3048\u308b\u305f\u3081<\/strong>\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u30b3\u30e1\u30f3\u30c8\u3092\u8a18\u8ff0\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u4ed6\u306e\u4eba\u304c\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8aad\u3093\u3067\u3082\u5bb9\u6613\u306b\u5185\u5bb9\u3092\u7406\u89e3\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>Java\u30671\u884c\u30b3\u30e1\u30f3\u30c8\u3059\u308b\u5834\u5408\u306f\u3001\u300c\/\/\u300d\u306e\u3042\u3068\u306b\u30b3\u30e1\u30f3\u30c8\u3092\u8a18\u8ff0\u3059\u308b\u306e\u304c\u30eb\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\/\/ \u3053\u308c\u306f\u30b3\u30e1\u30f3\u30c8\u3067\u3059\u3002\nint num = 10;<\/pre>\n\n\n\n<p>\u8907\u6570\u884c\u30b3\u30e1\u30f3\u30c8\u3059\u308b\u5834\u5408\u306f\u300c\/*\u300d\u3068\u300c*\/\u300d\u306e\u4e2d\u306b\u30b3\u30e1\u30f3\u30c8\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\/*\n\u3053\u308c\u306f\n\u8907\u6570\u884c\u306e\n\u30b3\u30e1\u30f3\u30c8\u3067\u3059\u3002\n*\/<\/pre>\n\n\n\n<p>\u30b3\u30e1\u30f3\u30c8\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3082\u4f75\u305b\u3066\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/65556\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/07\/co-150x86.png\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011\u30b3\u30e1\u30f3\u30c8\u306e\u7a2e\u985e\u3068\u66f8\u304d\u65b9(Javadoc\u306b\u95a2\u3059\u308b\u898f\u7d04\u3082\u89e3\u8aac)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h3 class=\"wp-block-heading\">\u5909\u6570<\/h3>\n\n\n\n<p>Java\u3067\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b\u306b\u306f\u3001<strong>\u30c7\u30fc\u30bf\u578b\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981<\/strong>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5909\u6570\u306e\u5ba3\u8a00<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u30c7\u30fc\u30bf\u578b\u540d \u5909\u6570\u540d;<\/pre>\n\n\n\n<p>\u5909\u6570\u306e\u5ba3\u8a00\u4f8b<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">int num;\nString str;<\/pre>\n\n\n\n<p>\u5909\u6570\u306e\u5ba3\u8a00\u3068\u540c\u6642\u306b\u5024\u3092\u4ee3\u5165\u3059\u308b\u5834\u5408\u306f\u3001\u5909\u6570\u540d\u306e\u3042\u3068\u306b\u300c=\u300d\u3092\u4f7f\u3044\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">int num = 10;\nString str = \"test\";<\/pre>\n\n\n\n<p>\u5909\u6570\u540d\u306b\u4f7f\u3048\u308b\u6587\u5b57\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n<div class=\"box01\">\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8<\/strong>\uff08\u5927\u6587\u5b57\u30fb\u5c0f\u6587\u5b57\u3069\u3061\u3089\u3082OK\uff09<\/li><li><strong>\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2<\/strong>\uff08_\uff09<\/li><li><strong>\u6570\u5b57<\/strong>\uff08\u5909\u6570\u540d\u306e\u5148\u982d\u3092\u6570\u5b57\u306b\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u306e\u3067\u6ce8\u610f\uff09<\/li><\/ul>\n\n\n<\/div>\n\n\n\n<p>\u5909\u6570\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u3088\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/22805\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/howto-02-1-150x85.png\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010\u4e00\u76ee\u3067\u308f\u304b\u308bJava\u3011\u5909\u6570\u306e\u5ba3\u8a00\u3068\u4f7f\u3044\u65b9<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2025\u5e744\u670823\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h3 class=\"wp-block-heading\">\u6f14\u7b97\u5b50<\/h3>\n\n\n<div class=\"wp-block-image img-caption\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2021\/01\/shutterstock_1527703391.jpg\" alt=\"\" class=\"wp-image-137391\"\/><figcaption>\u6f14\u7b97\u5b50<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u6f14\u7b97\u5b50\u3068\u306f\u3001<strong>\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u8a08\u7b97\u3092\u884c\u3063\u305f\u308a\u6bd4\u8f03\u3057\u305f\u308a\u3059\u308b\u5834\u5408\u306b\u4f7f\u7528\u3059\u308b\u8a18\u53f7<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6f14\u7b97\u5b50\u306e\u7a2e\u985e<\/p>\n\n\n\n<table class=\"table23\">\n<thead>\n<tr class=\"tr23\">\n<td class=\"name23\">\u6f14\u7b97\u5b50\u306e\u7a2e\u985e<\/td><td class=\"st23\">\u8a18\u53f7<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr><td>\u7b97\u8853\u6f14\u7b97\u5b50<\/td><td>+, -, *, \/, %<\/td><\/tr><tr><td>\u6bd4\u8f03\u6f14\u7b97\u5b50<\/td><td>&gt;, &gt;=, &lt;, &lt;=, ==, !=<\/td><\/tr><tr><td>\u4ee3\u5165\u6f14\u7b97\u5b50<\/td><td>=, +=, -=, *=, \/=, %=<\/td><\/tr><tr><td>\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u30fb\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u6f14\u7b97\u5b50<\/td><td>++, \u2013-<\/td><\/tr><tr><td>\u8ad6\u7406\u6f14\u7b97\u5b50<\/td><td>&amp;, |, ^, !, ||, &amp;&amp;<\/td><\/tr><tr><td>\u30b7\u30d5\u30c8\u6f14\u7b97\u5b50<\/td><td>&lt;&lt;, &gt;&gt;<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p>\u6f14\u7b97\u5b50\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u305d\u308c\u305e\u308c\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/13030\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/shutterstock_595820321-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u306e\u6f14\u7b97\u5b50\u3011\u7a2e\u985e\u3084\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u3057\u307e\u3057\u305f\uff01<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h3 class=\"wp-block-heading\">\u914d\u5217<\/h3>\n\n\n\n<p>\u914d\u5217\u3068\u306f\u3001<strong>\u540c\u3058\u578b\u306e\u5024\u3092\u8907\u6570\u306b\u307e\u3068\u3081\u3066\u3072\u3068\u3064\u306e\u5909\u6570\u3068\u3057\u3066\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3082\u306e<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u4eba\u6570\u5206\u306e\u30c6\u30b9\u30c8\u306e\u70b9\u6570\u3092\u4fdd\u6301\u3057\u3066\u304a\u304d\u305f\u3044\u3068\u304d\u3001int\u578b\u306e\u5909\u6570\u3092\u3072\u3068\u3064\u305a\u3064\u5ba3\u8a00\u3057\u3066\u683c\u7d0d\u3059\u308b\u306e\u306f\u9762\u5012\u3067\u3059\u306d\u3002\u914d\u5217\u3092\u4f7f\u7528\u3059\u308c\u3070\u30011\u56de\u306e\u5ba3\u8a00\u3067\u307e\u3068\u3081\u3066\u5024\u3092\u683c\u7d0d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">public class Main {\n&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;public static void main(String[] args) {\n&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;int[] score = {60, 20, 50, 70, 80};\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(score[0]);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(score[1]);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(score[2]);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(score[3]);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(score[4]);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;\n}<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">60\n20\n50\n70\n80<\/pre>\n\n\n\n<p>\u914d\u5217\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/14461\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/01\/JAVA-144611-150x85.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011\u914d\u5217\u306e\u4f7f\u3044\u65b9\u7dcf\u307e\u3068\u3081(\u5ba3\u8a00\u3001\u521d\u671f\u5316\u3001\u8ffd\u52a0\u3001\u8981\u7d20\u6570)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u670810\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/84946\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/02\/1310b82dcc1c633028071cec05626d83-150x85.jpeg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010\u30d7\u30ed\u304c\u89e3\u8aac\u3011Java\u914d\u5217\u306e\u57fa\u790e\u306f\u3053\u308c\u3067\u5b8c\u74a7\uff01\u4fbf\u5229\u306a\u4f7f\u3044\u65b9\u3082\u591a\u6570\u7d39\u4ecb<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/13140\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2016\/12\/java_array-150x85.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">Java\u306e\u914d\u5217\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u306e\u65b9\u6cd5\u3092\u4e00\u304b\u3089\u89e3\u8aac<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2025\u5e744\u670823\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h3 class=\"wp-block-heading\">\u6761\u4ef6\u5206\u5c90<\/h3>\n\n\n<div class=\"wp-block-image img-caption\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2021\/01\/shutterstock_1842556189.png\" alt=\"\" class=\"wp-image-131419\"\/><figcaption>\u6761\u4ef6\u5206\u5c90<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u6761\u4ef6\u5206\u5c90\u3068\u306f\u3001<strong>\u6761\u4ef6\u306b\u3088\u3063\u3066\u51e6\u7406\u3092\u5206\u5c90\u3055\u305b\u308b\u3053\u3068<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6761\u4ef6\u5206\u5c90\u3067\u306f\u3001if\u6587\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u300c\u3042\u306a\u305f\u306e\u5e74\u9f62\u306f20\u6b73\u4ee5\u4e0a\u3067\u3059\u304b\uff1f\u300d\u3068\u3044\u3046\u554f\u3044\u306b\u5bfe\u3057\u3066\u3001<\/p>\n\n\n<div class=\"box01\">\n\n\n\n<p>\u2460Yes\uff0820\u6b73\u4ee5\u4e0a\uff09\u306e\u5834\u5408\u306f\u300c\u3042\u306a\u305f\u306e\u5e74\u9f62\u306f20\u6b73\u4ee5\u4e0a\u3067\u3059\u306d\uff01\u300d\u3068\u51fa\u529b<br>\u2461No\u306e\u5834\u5408\u306f\u4f55\u3082\u51fa\u529b\u3057\u306a\u3044<\/p>\n\n\n<\/div>\n\n\n\n<p>\u3068\u3044\u3063\u305f\u5177\u5408\u306b\u51e6\u7406\u3092\u5206\u5c90\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">public class Main {\n&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;public static void main(String[] args) throws Exception {\n&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;int age = 25;\n&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/ \u6761\u4ef6\u5206\u5c90\u51e6\u7406\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if (age &gt; 20) {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(\"\u3042\u306a\u305f\u306e\u5e74\u9f62\u306f20\u6b73\u4ee5\u4e0a\u3067\u3059\u306d\uff01\");\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;else {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(\"\u3042\u306a\u305f\u306e\u5e74\u9f62\u306f20\u6b73\u4ee5\u4e0a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\");\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;}\n\u3042\u306a\u305f\u306e\u5e74\u9f62\u306f20\u6b73\u4ee5\u4e0a\u3067\u3059\u306d\uff01<\/pre>\n\n\n\n<p>if\u6587\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u3088\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/21911\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/04\/image9-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011if\u6587\u3067\u6761\u4ef6\u5206\u5c90(else\u3001AND\/OR\u3001\u5426\u5b9a\u3001\u7701\u7565\u3001\u4e09\u9805\u6f14\u7b97\u5b50)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h3 class=\"wp-block-heading\">\u7e70\u308a\u8fd4\u3057\u51e6\u7406\uff08for\uff09<\/h3>\n\n\n\n<p>\u540c\u3058\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u306b\u306f\u3001\u300cfor\u300d\u300cwhile\u300d\u306a\u3069\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305a\u306f\u3001<strong>\u6307\u5b9a\u3057\u305f\u56de\u6570\u306e\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b<\/strong>for\u6587\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">public class Main {\n&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;public static void main(String args[]) {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/ \u51e6\u7406\u309210\u56de\u7e70\u308a\u8fd4\u3059\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for (int i = 0; i &lt; 10; i++) {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(\"i = \" + i);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;\n}<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">i = 0\ni = 1\ni = 2\ni = 3\ni = 4\ni = 5\ni = 6\ni = 7\ni = 8\ni = 9<\/pre>\n\n\n\n<p>\u51fa\u529b\u3057\u3066\u307f\u308b\u3068\u3001\u51e6\u7406\u304c10\u56de\u7e70\u308a\u8fd4\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>for\u6587\u306f\u300cfor \uff08\u521d\u671f\u5316\u5f0f; \u6761\u4ef6\u5f0f; \u5909\u5316\u5f0f\uff09\u300d\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u3001\u6761\u4ef6\u5f0f\u306e\u7d50\u679c\u304ctrue\u306e\u3068\u304d\u306b{}\u306e\u30d6\u30ed\u30c3\u30af\u5185\u306e\u51e6\u7406\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>for\u6587\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u3088\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/22219\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/04\/java_for-150x85.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011for\u6587\u3001\u62e1\u5f35for\u6587\u3001forEach\u306e\u4f7f\u3044\u65b9<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h3 class=\"wp-block-heading\">\u7e70\u308a\u8fd4\u3057\u51e6\u7406\uff08while\uff09<\/h3>\n\n\n<div class=\"wp-block-image img-caption\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/03\/shutterstock_556901236.jpg\" alt=\"\" class=\"wp-image-135189\"\/><figcaption>\u7e70\u308a\u8fd4\u3057\u51e6\u7406\uff08while\uff09<\/figcaption><\/figure>\n<\/div>\n\n\n<p>while\u6587\u306f\u3001<strong>\u6761\u4ef6\u5f0f\u304ctrue\u3067\u3042\u308b\u9650\u308a\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c<\/strong>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001\u5909\u6570i\u306e\u5024\u304c5\u306b\u306a\u308b\u307e\u3067\uff08i\u304c5\u672a\u6e80\u306e\u9593\u7e70\u308a\u8fd4\u3059\uff09\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u884c\u3044\u305f\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">public class Main {\n&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;public static void main(String[] args) {\n&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;int i = 0;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;while (i &lt; 5) {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(\"i = \" + i);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;i++;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;\n}<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">i = 0\ni = 1\ni = 2\ni = 3\ni = 4<\/pre>\n\n\n\n<p>while\u6587\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u3088\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/22747\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/07\/\u30103\u5206\u3067\u308f\u304b\u308bJava\u3011while\u6587\u3068do-while\u6587\u306e\u4f7f\u3044\u65b9-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u30103\u5206\u3067\u308f\u304b\u308bJava\u3011while\u6587\u3068do-while\u6587\u306e\u4f7f\u3044\u65b9<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/21463\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/04\/image-42-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010JavaScript\u5165\u9580\u3011while\u6587\u3067\u30eb\u30fc\u30d7\u51e6\u7406\u3068\u5236\u5fa1(break\/continue)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h3 class=\"wp-block-heading\">continue<\/h3>\n\n\n\n<p>continue\u6587\u306f\u3001<strong>\u30eb\u30fc\u30d7\u51e6\u7406\u306e\u9014\u4e2d\u3067\u73fe\u5728\u51e6\u7406\u5bfe\u8c61\u306e\u8981\u7d20\u306b\u5bfe\u3059\u308b\u6b8b\u308a\u306e\u51e6\u7406\u3092\u30b9\u30ad\u30c3\u30d7\u3057\u3066\u3001\u6b21\u306e\u8981\u7d20\u306b\u9077\u79fb\u3059\u308b\u3068\u304d<\/strong>\u306b\u4f7f\u3044\u307e\u3059\u3002\u8907\u6570\u306e\u30eb\u30fc\u30d7\u51e6\u7406\u3092\u884c\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u6700\u3082\u5185\u5074\u306e\u3072\u3068\u3064\u3092\u30b9\u30ad\u30c3\u30d7\u3059\u308b\u306e\u304c\u30eb\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">public class Main {\n&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;public static void main(String args[]) {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/ \u51e6\u7406\u309210\u56de\u7e70\u308a\u8fd4\u3059\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for (int i = 0; i &lt; 10; i++) {\n&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/ \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c5\u306e\u5834\u5408\u306fcontinue\u3057\u3066\u6b21\u306e\u8981\u7d20\u3078\u9077\u79fb\u3059\u308b\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if (i == 5)\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;continue;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(\"i = \" + i);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;}\n}<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">i = 0\ni = 1\ni = 2\ni = 3\ni = 4\ni = 6\ni = 7\ni = 8\ni = 9<\/pre>\n\n\n\n<p>continue\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u3088\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/20200\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/03\/image-32-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011for\u6587\u3092continue\u6587\u3067\u30b9\u30ad\u30c3\u30d7\u3059\u308b(\u30e9\u30d9\u30eb\u3082\u89e3\u8aac)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h3 class=\"wp-block-heading\">break<\/h3>\n\n\n<div class=\"wp-block-image img-caption\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2019\/03\/shutterstock_1094703257.jpg\" alt=\"\" class=\"wp-image-135186\"\/><figcaption>break<\/figcaption><\/figure>\n<\/div>\n\n\n<p>continue\u6587\u306f\u3001<strong>\u30eb\u30fc\u30d7\u51e6\u7406\u306e\u9014\u4e2d\u3067\u6b8b\u308a\u306e\u51e6\u7406\u3092\u30b9\u30ad\u30c3\u30d7<\/strong>\u3057\u3066\u3001\u30eb\u30fc\u30d7\u3092\u629c\u3051\u51fa\u3057\u307e\u3059\u3002\u8907\u6570\u306e\u30eb\u30fc\u30d7\u51e6\u7406\u3092\u884c\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u6700\u3082\u5185\u5074\u306e\u3072\u3068\u3064\u304c\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">public class Main {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;public static void main(String args[]) {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/ \u51e6\u7406\u309210\u56de\u7e70\u308a\u8fd4\u3059\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for (int i = 0; i &lt; 10; i++) {\n&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/ \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c5\u306e\u5834\u5408\u306fbreak\u3057\u3066\u30eb\u30fc\u30d7\u3092\u7d42\u4e86\u3059\u308b\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if (i == 5)\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(\"i = \" + i);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;}\n}<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">i = 0\ni = 1\ni = 2\ni = 3\ni = 4<\/pre>\n\n\n\n<p>break\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u3088\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/20100\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/07\/\u30103\u5206\u3067\u89e3\u6c7aJava\u3011for\u6587\u306e\u30eb\u30fc\u30d7\u5236\u5fa1break\u3068continue-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u30103\u5206\u3067\u89e3\u6c7aJava\u3011for\u6587\u306e\u30eb\u30fc\u30d7\u5236\u5fa1(break\u3068continue)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h3 class=\"wp-block-heading\">\u30af\u30e9\u30b9<\/h3>\n\n\n\n<p>\u30af\u30e9\u30b9\u3068\u306f\u3001<strong>\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u51e6\u7406\u3092\u307e\u3068\u3081\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30af\u30e9\u30b9\u306e\u4e2d\u306b\u306f\u3001\u305d\u306e\u30af\u30e9\u30b9\u3060\u3051\u3067\u4f7f\u7528\u3067\u304d\u308b\u5909\u6570\u3084\u3044\u304f\u3064\u304b\u306e\u51e6\u7406\u3092\u307e\u3068\u3081\u305f\u30e1\u30bd\u30c3\u30c9\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u30af\u30e9\u30b9\u306f\u3072\u306a\u578b\u306e\u3088\u3046\u306b\u3001\u5b9f\u969b\u306b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u4f7f\u7528\u3059\u308b\u3068\u304d\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\/\/ \u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3059\u308b\nclass ClassSamurai {\n&nbsp;&nbsp;&nbsp;\/\/ \u30e1\u30bd\u30c3\u30c9\u306e\u5ba3\u8a00\u30fb\u5b9a\u7fa9\n&nbsp;&nbsp;&nbsp;void methodTestA(){\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(\"Call methodTestA\");\n&nbsp;&nbsp;&nbsp;}\n}\npublic class Main {\n&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;public static void main(String args[]) {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/ \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ClassSamurai samurai = new ClassSamurai();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/ \u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;samurai.methodTestA();\n&nbsp;&nbsp;&nbsp;&nbsp;}\n}\nCall methodTestA<\/pre>\n\n\n\n<p>\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u3088\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/24931\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/06\/java_class-150x85.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u7dcf\u307e\u3068\u3081<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h3 class=\"wp-block-heading\">\u30e1\u30bd\u30c3\u30c9<\/h3>\n\n\n<div class=\"wp-block-image img-caption\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2021\/04\/shutterstock_386995048-edited.jpg\" alt=\"\" class=\"wp-image-134013\" width=\"700\"\/><figcaption>\u30e1\u30bd\u30c3\u30c9<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u524d\u8ff0\u306e\u3068\u304a\u308a\u3001\u30e1\u30bd\u30c3\u30c9\u306f<strong>\u3044\u304f\u3064\u304b\u306e\u51e6\u7406\u3092\u307e\u3068\u3081\u305f\u3082\u306e<\/strong>\u3067\u3059\u3002\u30e1\u30bd\u30c3\u30c9\u3092\u3064\u304f\u308b\u3053\u3068\u3067\u3001\u540c\u3058\u51e6\u7406\u3092\u8907\u6570\u306e\u7b87\u6240\u304b\u3089\u547c\u3073\u51fa\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">public class Main {\n&nbsp;\n&nbsp;&nbsp;&nbsp;public static void main(String args[]) {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/ add\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;int result1 = add(1, 2);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(result1);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/ add\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;int result2 = add(4, 6);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(result2);\n&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;\/\/ \u5f15\u65701\u3068\u5f15\u65702\u3092\u5408\u8a08\u3057\u305f\u7d50\u679c\u3092\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9\n&nbsp;&nbsp;&nbsp;&nbsp;public static int add(int num1, int num2) {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return num1 + num2;\n&nbsp;&nbsp;&nbsp;&nbsp;}\n}<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">3\n10<\/pre>\n\n\n\n<p>\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u3088\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/26339\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/07\/java_method-150x85.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9\u7dcf\u307e\u3068\u3081(\u547c\u3073\u51fa\u3057\u3001\u5f15\u6570\u3001\u623b\u308a\u5024)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2025\u5e744\u670823\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h2 class=\"wp-block-heading\">Java\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n<div class=\"wp-block-image img-caption\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2021\/06\/shutterstock_1262757355.jpg\" alt=\"\" class=\"wp-image-139449\"\/><figcaption>Java\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u65b9\u6cd5<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306f\u3001<strong>\u30a4\u30f3\u30bf\u30d7\u30ea\u30bf\u578b\u8a00\u8a9e\u3068\u30b3\u30f3\u30d1\u30a4\u30e9\u578b\u8a00\u8a9e<\/strong>\u3068\u3044\u30462\u7a2e\u985e\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4eba\u9593\u304c\u66f8\u3044\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u7406\u89e3\u3067\u304d\u308b\u5f62\u5f0f\u306b\u5909\u63db\u3057\u307e\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30d7\u30ea\u30bf\u578b\u306e\u5834\u5408\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304f\u305f\u3073\u306b\u5909\u63db\u3057\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002\u30b3\u30f3\u30d1\u30a4\u30e9\u578b\u306f\u3001\u66f8\u3044\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u307e\u3068\u3081\u3066\u5909\u63db\u3057\u5b9f\u884c\u3059\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30f3\u30d1\u30a4\u30e9\u578b\u8a00\u8a9e\u3067\u307e\u3068\u3081\u3066\u5909\u63db\u3059\u308b\u51e6\u7406\u3092\u300c\u30b3\u30f3\u30d1\u30a4\u30eb\u300d\u3068\u3044\u3044\u307e\u3059\u3002Java\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4e0b\u8a18\u306e\u6e96\u5099\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n<div class=\"box01\">\n\n\n\n<ol class=\"wp-block-list\"><li>JavaJDK\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30fb\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/li><li>\u74b0\u5883\u5909\u6570\u3092\u8a2d\u5b9a\u3059\u308b<\/li><li>\u30d1\u30bd\u30b3\u30f3\u3092\u518d\u8d77\u52d5\u3059\u308b<\/li><\/ol>\n\n\n<\/div>\n\n\n\n<p>\u6e96\u5099\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u8d77\u52d5\u3057\u307e\u3057\u3087\u3046\u3002Java\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u5bfe\u8c61\u306eJava\u30d5\u30a1\u30a4\u30eb\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u30d5\u30a9\u30eb\u30c0\u306b\u3001\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u4e0a\u3067\u79fb\u52d5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3067\u30d5\u30a9\u30eb\u30c0\u3092\u79fb\u52d5\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cd Java\u30d5\u30a1\u30a4\u30eb\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u30d5\u30a9\u30eb\u30c0\u306e\u30d1\u30b9<\/pre>\n\n\n\n<p>Java\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3059\u308b\u30d5\u30a9\u30eb\u30c0\u306b\u79fb\u52d5\u3067\u304d\u305f\u3089\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30b3\u30f3\u30d1\u30a4\u30eb\u306f\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">javac Java\u30d5\u30a1\u30a4\u30eb\u306e\u540d\u524d.java<\/pre>\n\n\n\n<p>\u4ee5\u4e0a\u306e\u624b\u9806\u3067\u3001Java\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>Java\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/62571\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/07\/shutterstock_795060481-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u65b9\u6cd5\u3068\u30a8\u30e9\u30fc\u767a\u751f\u6642\u306e\u5bfe\u51e6\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h2 class=\"wp-block-heading\">Java\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306b\u3064\u3044\u3066<\/h2>\n\n\n<div class=\"wp-block-image img-caption\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2021\/04\/shutterstock_1404621860.jpg\" alt=\"\" class=\"wp-image-133349\"\/><figcaption>Java\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306f\u3001Ruby\u3084C#\u306a\u3069\u3068\u3044\u3063\u305f\u3055\u307e\u3056\u307e\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306b\u53d6\u308a\u5165\u308c\u3089\u308c\u3066\u3044\u308b\u666e\u904d\u7684\u306a\u8003\u3048\u65b9\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u306e\u30c6\u30fc\u30de\u3067\u3042\u308bJava\u3082\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306f\u3001\u52b9\u7387\u3088\u304f\u958b\u767a\u3059\u308b\u305f\u3081\u306e\u3072\u3068\u3064\u306e\u8003\u3048\u65b9\u3067\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u3092\u7406\u89e3\u3059\u308b\u3046\u3048\u3067\u306f\u3001\u4ee5\u4e0b\u306e3\u3064\u306e\u8003\u3048\u65b9\uff08\u6982\u5ff5\uff09\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<div class=\"box01\">\n\n\n\n<ul class=\"wp-block-list\"><li>\u30ab\u30d7\u30bb\u30eb\u5316\uff08\u72ec\u7acb\u6027\uff09<\/li><li>\u7d99\u627f\uff08\u518d\u5229\u7528\u6027\uff09<\/li><li>\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\uff08\u62e1\u5f35\u6027\uff09<\/li><\/ul>\n\n\n<\/div>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6982\u5ff5\u306e\u3046\u3048\u3067\u3001<strong>\u72ec\u7acb\u6027\u30fb\u518d\u5229\u7528\u6027\u30fb\u62e1\u5f35\u6027\u3092\u3082\u3063\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u3067\u3067\u304d\u308b<\/strong>\u306e\u304c\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/9788\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2022\/07\/howto-02-39-150x85.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u301010\u5206\u3067\u308f\u304b\u308b\u3011Java\u306b\u304a\u3051\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u3092\u5fb9\u5e95\u89e3\u8aac<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2025\u5e7412\u670826\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h2 class=\"wp-block-heading\">\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff08interface\uff09\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n<div class=\"wp-block-image img-caption\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2021\/06\/shutterstock_1128653108.jpg\" alt=\"\" class=\"wp-image-139451\"\/><figcaption>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u4f7f\u3044\u65b9<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Java\u306b\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff08interface\uff09\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff08interface\uff09\u306b\u306f\u3001<strong>\u5b9a\u6570\u3068\u30e1\u30bd\u30c3\u30c9\u5b9a\u7fa9\u306e\u5ba3\u8a00<\/strong>\u3092\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u3068\u540c\u69d8\u306b\u3001\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3057\u305f\u30af\u30e9\u30b9\u3067\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002\u306a\u304a\u3072\u3068\u3064\u306e\u30af\u30e9\u30b9\u306b\u5bfe\u3057\u3066\u3001\u8907\u6570\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5ba3\u8a00\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n<div class=\"box01\">\n\n\n\n<ul class=\"wp-block-list\"><li>\u5f8c\u304b\u3089\u30e1\u30bd\u30c3\u30c9\u306e\u5185\u5bb9\u3092\u8a18\u8ff0\u3067\u304d\u308b\u305f\u3081\u4fdd\u5b88\u6027\u3084\u62e1\u5f35\u6027\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u308b<\/li><li>\u5b9f\u88c5\u3059\u3079\u304d\u30e1\u30bd\u30c3\u30c9\u304c\u660e\u78ba\u306b\u306a\u308b\u305f\u3081\u751f\u7523\u6027\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u308b<\/li><li>\u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u88c5\u6f0f\u308c\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b<\/li><\/ul>\n\n\n<\/div>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/25772\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/06\/image-71-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011interface(\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9)\u306e\u4f7f\u3044\u65b9\u7dcf\u307e\u3068\u3081<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h2 class=\"wp-block-heading\">\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u65b9\u6cd5<\/h2>\n\n\n<div class=\"wp-block-image img-caption\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2016\/03\/shutterstock_395220502.jpg\" alt=\"\" class=\"wp-image-133516\" width=\"700\"\/><figcaption>\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u65b9\u6cd5<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Java\u306b\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>FileReader\u30af\u30e9\u30b9\u306f\u3001<strong>\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u30c6\u30ad\u30b9\u30c8\u30921\u6587\u5b57\u305a\u3064\u8aad\u307f\u8fbc\u3093\u3067\u3044\u304d\u307e\u3059<\/strong>\u3002FileReader\u30af\u30e9\u30b9\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u3068\u304d\u6307\u5b9a\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u306f\u3001\u300cFileNotFoundException\u300d\u3068\u3044\u3046\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3042\u3089\u304b\u3058\u3081\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u6709\u7121\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>FileInputStream\u30af\u30e9\u30b9\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u30c7\u30fc\u30bf\u3092\u30d0\u30a4\u30c8\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3067\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305fJava\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u4f7f\u7528\u3059\u308b\u5b9a\u6570\u3084\u65e2\u5b9a\u5024\u306a\u3069\u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u3068\u3044\u3046\u7279\u5225\u306a\u30d5\u30a1\u30a4\u30eb\u3067\u7ba1\u7406\u3057\u307e\u3059\u3002Java\u306b\u306f\u3001\u3053\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u30d5\u30a1\u30a4\u30eb\u3092\u64cd\u4f5c\u3059\u308bResourceBundle\u30af\u30e9\u30b9\u3084Properties\u30af\u30e9\u30b9\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>Java\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u4f75\u305b\u3066\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/24744\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/06\/java_fileread-150x85.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010\u521d\u5fc3\u8005\u306e\u305f\u3081\u306eJava\u5165\u9580\u3011\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u30804\u3064\u306e\u65b9\u6cd5\u3092\u89e3\u8aac<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h2 class=\"wp-block-heading\"><strong>FileInputStream\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u65b9\u6cd5<\/strong><\/h2>\n\n\n<div class=\"wp-block-image img-caption\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2021\/04\/shutterstock_1923656636-edited.jpg\" alt=\"\" class=\"wp-image-133216\" width=\"700\"\/><figcaption><strong>\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u65b9\u6cd5<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p>FileInputStream\u30af\u30e9\u30b9\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u5177\u4f53\u7684\u306b\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u306f\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066UTF-8\u3084Shift-JIS\u306a\u3069\u3001<strong>\u4f7f\u3063\u3066\u3044\u308b\u6587\u5b57\u30b3\u30fc\u30c9\u306f\u7570\u306a\u308a\u307e\u3059<\/strong>\u3002FileInputStream\u30af\u30e9\u30b9\u3067\u306f\u3001\u8aad\u3080\u30d5\u30a1\u30a4\u30eb\u306e\u30b3\u30fc\u30c9\u3092\u6307\u5b9a\u3057\u3066\u3001\u6587\u5b57\u3092\u30a8\u30f3\u30b3\u30fc\u30c9\u3092\u3057\u306a\u304c\u3089\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.io.FileInputStream;\nimport java.io.IOException;\nimport java.io.InputStreamReader;\n&nbsp;\npublic class Main {\n&nbsp;&nbsp;&nbsp;&nbsp;public static void main(String[] args) throws Exception {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/ c:\\\\Test.txt \u3092\u8aad\u307f\u8fbc\u3080\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;try (FileInputStream fIStream= new FileInputStream(\"c:\\\\Test.txt\")) {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;InputStreamReader iSReader = new InputStreamReader(fIStream, \"UTF-8\");\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;int data;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;while ((data = iSReader.read()) != -1) {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(data);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;} catch (IOException e) {\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;e.printStackTrace();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;}\n}<\/pre>\n\n\n\n<p>FileInputStream\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/20567\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/03\/java-fileinputstream-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011FileInputStream\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u65b9\u6cd5<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h2 class=\"wp-block-heading\">\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n<div class=\"wp-block-image img-caption\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"700\" height=\"401\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2021\/05\/shutterstock_1823868014.jpg\" alt=\"\" class=\"wp-image-134917\"\/><figcaption>\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u30e9\u30e0\u30c0\u5f0f\u306f\u3001Java8\u304b\u3089\u8ffd\u52a0\u3055\u308c\u305f\u65b0\u3057\u3044\u8a18\u8ff0\u65b9\u5f0f\u3067\u3059\u3002C#\u3001F#\u3001Scala\u3001Scheme\u3068\u3044\u3063\u305f\u95a2\u6570\u578b\u8a00\u8a9e\u3068\u547c\u3070\u308c\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306b\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30e9\u30e0\u30c0\u5f0f\u3092\u7c21\u5358\u306b\u8aac\u660e\u3059\u308b\u3068<strong>\u300c\u30e1\u30bd\u30c3\u30c9\u3092\u5909\u6570\u3068\u540c\u69d8\u306b\u6271\u3046\u8a18\u8ff0\u69d8\u5f0f\u300d<\/strong>\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30e9\u30e0\u30c0\u5f0f\u3092\u4f7f\u7528\u3059\u308b\u3068\u65e2\u5b58\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3088\u308a\u5c11\u306a\u3044\u8a18\u8ff0\u3067\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u304d\u305f\u308a\u3001\u914d\u5217\u306a\u3069\u306e\u8981\u7d20\u306e\u96c6\u5408\u3092\u51e6\u7406\u3057\u305f\u308a\u5834\u5408\u306bStream API\u3068\u3044\u308f\u308c\u308b\u3082\u306e\u3092\u5229\u7528\u3067\u304d\u308b\u70b9\u304c\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30e9\u30e0\u30c0\u5f0f\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n            <a href=\"https:\/\/www.sejuku.net\/blog\/22337\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/image15-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Java\u306e\u57fa\u672c\u6587\u6cd5\u3092\u307e\u3068\u3081\u3066\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<strong>\u57fa\u672c\u6587\u6cd5\u3092\u7406\u89e3\u3057\u3066\u304a\u3051\u3070\u3055\u307e\u3056\u307e\u306a\u64cd\u4f5c\u3092\u884c\u3048\u308b<\/strong>\u306e\u3067\u3001\u4f7f\u3044\u65b9\u306f\u3057\u3063\u304b\u308a\u3068\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3082\u3057\u57fa\u672c\u6587\u6cd5\u306e\u4f7f\u3044\u65b9\u3092\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u3089\u3001\u3053\u306e\u8a18\u4e8b\u3092\u601d\u3044\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3053\u306e\u8a18\u4e8b\u306e\u304a\u3055\u3089\u3044<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1624277002275\"><strong class=\"schema-faq-question\">Java\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u65b9\u6cd5\u3068\u306f\uff1f<\/strong> <p class=\"schema-faq-answer\">\u4ee5\u4e0b\u306e\u624b\u9806\u304c\u5fc5\u8981\u3067\u3059\u3002<br\/>1\uff0eJava\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30fb\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<br\/>2\uff0e\u74b0\u5883\u5909\u6570\u3092\u8a2d\u5b9a\u3059\u308b\u3002<br\/>3\uff0e\u30d1\u30bd\u30b3\u30f3\u3092\u518d\u8d77\u52d5\u3059\u308b\u3002<br\/>4\uff0e\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3067Java\u30d5\u30a1\u30a4\u30eb\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u30d5\u30a9\u30eb\u30c0\u3078\u79fb\u52d5\u3059\u308b\u3002<br\/>5\uff0e\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3067\u300cJavac\u300d\u30b3\u30de\u30f3\u30c9\u3092\u7528\u3044\u3066\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u3002<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1624277143897\"><strong class=\"schema-faq-question\">Java\u306b\u304a\u3051\u308b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u30e1\u30ea\u30c3\u30c8\u306f\uff1f<\/strong> <p class=\"schema-faq-answer\">\u4ee5\u4e0b\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<br\/>\u30fb\u5f8c\u304b\u3089\u30e1\u30bd\u30c3\u30c9\u306e\u5185\u5bb9\u3092\u8a18\u8ff0\u3067\u304d\u308b\u305f\u3081\u3001\u4fdd\u5b88\u6027\u3084\u62e1\u5f35\u6027\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u308b<br\/>\u30fb\u5b9f\u88c5\u3059\u3079\u304d\u30e1\u30bd\u30c3\u30c9\u304c\u660e\u78ba\u306b\u306a\u308b\u305f\u3081\u3001\u751f\u7523\u6027\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u308b<br\/>\u30fb\u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u88c5\u6f0f\u308c\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1624277159563\"><strong class=\"schema-faq-question\">Java\u306e\u30e9\u30e0\u30c0\u5f0f\u3068\u306f\uff1f<\/strong> <p class=\"schema-faq-answer\">Java8\u304b\u3089\u8ffd\u52a0\u3055\u308c\u305f\u300c\u30e1\u30bd\u30c3\u30c9\u3092\u5909\u6570\u3068\u540c\u69d8\u306b\u6271\u3046\u8a18\u8ff0\u69d8\u5f0f\u300d\u3067\u3059\u3002<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Java\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u3084\u7528\u8a9e\u3092\u899a\u3048\u305f\u3044\u96e3\u3057\u3044\u6761\u4ef6\u5206\u5c90\u3084\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u7406\u89e3\u3057\u305f\u3044 \u3053\u3053\u3067\u306fJava\u306e\u57fa\u672c\u3068\u306a\u308b\u5909\u6570\u306e\u4f7f\u3044\u65b9\u3084\u30c7\u30fc\u30bf\u578b\u3001\u6761\u4ef6\u5206\u5c90\u3084\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306a\u3069\u3001\u5fc5\u9808\u3067\u899a\u3048\u3066\u304a\u304f\u3079\u304d\u6587\u6cd5\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u3002 \u7d39\u4ecb\u3059\u308b\u6587\u6cd5\u306fJa [&hellip;]<\/p>\n","protected":false},"author":16433,"featured_media":139454,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"swell_btn_cv_data":"","footnotes":""},"categories":[2343],"tags":[],"class_list":["post-107955","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java-start"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Java\u306e\u57fa\u672c\u6587\u6cd5\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\uff01\u521d\u5fc3\u8005\u304c\u7528\u8a9e\u3082\u30af\u30e9\u30b9\u3082\u4e38\u308f\u304b\u308a | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0<\/title>\n<meta name=\"description\" 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