{"id":26344,"date":"2017-07-03T10:37:16","date_gmt":"2017-07-03T01:37:16","guid":{"rendered":"http:\/\/www.sejuku.net\/blog\/?p=26344"},"modified":"2024-05-06T11:43:42","modified_gmt":"2024-05-06T02:43:42","slug":"%e3%80%90java%e5%85%a5%e9%96%80%e3%80%91try-catch%e6%96%87%e3%81%a7%e4%be%8b%e5%a4%96%e5%87%a6%e7%90%86%e3%82%92%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e7%b7%8f%e3%81%be%e3%81%a8%e3%82%81","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/26344","title":{"rendered":"\u3010Java\u3011try-catch\u3067\u4f8b\u5916\u51e6\u7406\u3092\u5b9f\u88c5\u3057\u3088\u3046\uff01Exception\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"<p>Java\u3067\u4f8b\u5916\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308b\u306b\u306f\u3001<strong>try-catch\u51e6\u7406\u306e\u4e2d\u3067Exception\u30af\u30e9\u30b9\u3092\u6307\u5b9a<\/strong>\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3082\u305d\u3082\u4f8b\u5916\u51e6\u7406\u3068\u306f\u3001<\/p>\n<p><div class=\"box_voice\">\u5b9f\u884c\u505c\u6b62\u3057\u3066\u306f\u3044\u3051\u306a\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u4f55\u3089\u304b\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u843d\u3061\u305f<br \/>\n\u9014\u4e2d\u3067\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u305d\u306e\u5f8c\u306e\u51e6\u7406\u3092\u81ea\u5206\u3067\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3057\u305f\u3044<\/div><\/p>\n<p>\u306e\u3088\u3046\u306a\u72b6\u614b\u3092\u6307\u3057\u307e\u3059\u3002\u3053\u306e\u4f8b\u5916\u51e6\u7406\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u843d\u3061\u3066\u3057\u307e\u3046\u5834\u5408\u3084\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306e\u51e6\u7406\u3092\u81ea\u5206\u3067\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001<br \/>\n<div class=\"box01\"><\/p>\n<ul>\n<li><b>try-catch\u6587\u3068\u306f<\/b><\/li>\n<li><b>try-catch\u6587\u306e\u4f7f\u3044\u65b9<\/b><\/li>\n<li><b>finally\u3067\u5fc5\u305a\u5b9f\u884c\u3059\u308b\u51e6\u7406\u3092\u8a18\u8ff0\u3059\u308b\u65b9\u6cd5<\/b><\/li>\n<\/ul>\n<\/div>\n<p>\u3068\u3044\u3046\u57fa\u672c\u7684\u306a\u5185\u5bb9\u304b\u3089\u3001<br \/>\n<div class=\"box01\"><\/p>\n<ul>\n<li><b>throw\u3067\u610f\u56f3\u7684\u306b\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u308b\u65b9\u6cd5<\/b><\/li>\n<li><b>throws\u3067\u547c\u3073\u51fa\u3057\u5143\u3067\u4f8b\u5916\u51e6\u7406\u3092\u3059\u308b\u65b9\u6cd5<\/b><\/li>\n<li><b>\u4f8b\u5916\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b<\/b><\/li>\n<li><b>Exception\u30af\u30e9\u30b9\u306e\u7a2e\u985e\u4e00\u89a7<\/b><\/li>\n<li><b>\u72ec\u81ea\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u4f5c\u6210<\/b><\/li>\n<\/ul>\n<\/div>\n<p>\u306a\u3069\u306e\u5fdc\u7528\u7684\u306a\u4f7f\u3044\u65b9\u306b\u95a2\u3057\u3066\u3082\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u4eca\u56de\u306f\u3053\u308c\u3089\u306e\u65b9\u6cd5\u3092\u899a\u3048\u308b\u305f\u3081\u306b\u3001try-catch\u6587\u306e\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\uff01<\/p>\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=\"noopener\">\u3053\u3061\u3089<\/a>\u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>try-catch\u6587\u3068\u306f<\/h2>\n<p>try-catch\u6587\u3068\u306f\u3001\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u51e6\u7406\u306b\u4f7f\u3046\u3082\u306e\u3067\u3059\u3002try-catch\u6587\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u4f8b\u5916\u304c\u767a\u751f\u3057\u306a\u3044\u5834\u5408\u306e\u51e6\u7406\u3068\u3001\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306e\u51e6\u7406\u3092\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059<\/p>\n<p>\u3055\u3089\u306b\u3001finally\u3092\u4f7f\u3063\u3066\u4f8b\u5916\u306e\u6709\u7121\u306b\u95a2\u308f\u3089\u305a\u3001\u6700\u5f8c\u306b\u5fc5\u305a\u5b9f\u884c\u3055\u308c\u308b\u51e6\u7406\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002try-catch\u6587\u306f\u6b21\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:java decode:true \">try {\r\n    \u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u51e6\u7406\r\n} catch (\u4f8b\u5916\u306e\u578b \u5f15\u6570) {\r\n    \u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306e\u51e6\u7406(\u4f8b\u5916\u304c\u767a\u751f\u3057\u306a\u3051\u308c\u3070\u884c\u308f\u308c\u306a\u3044\u51e6\u7406)\r\n} finally {\r\n    \u4f8b\u5916\u306e\u6709\u7121\u306b\u95a2\u308f\u3089\u305a\u3001\u6700\u5f8c\u306b\u5fc5\u305a\u5b9f\u884c\u3055\u308c\u308b\u51e6\u7406\r\n}<\/pre>\n<p>try-catch\u6587\u306e\u8a73\u3057\u3044\u4f7f\u3044\u65b9\u306f\u3053\u306e\u8a18\u4e8b\u3067\u9806\u306b\u89e3\u8aac\u3057\u3066\u3044\u304f\u306e\u3067\u3001\u305c\u3072\u6700\u5f8c\u307e\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n<h2>try-catch\u6587\u306e\u4f7f\u3044\u65b9<\/h2>\n<p>\u3053\u3053\u3067\u306ftry-catch\u6587\u306e\u4f7f\u3044\u65b9\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002try-catch\u6587\u306e\u4f7f\u3044\u65b9\u306f\u3001try\u30d6\u30ed\u30c3\u30af\u306e\u4e2d\u306b\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u51e6\u7406\u3092\u8a18\u8ff0\u3057\u3001<strong>catch\u30d6\u30ed\u30c3\u30af\u306e\u4e2d\u306b\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u5f8c\u306e\u51e6\u7406\u3092\u8a18\u8ff0<\/strong>\u3057\u307e\u3059\u3002<\/p>\n<p>try-catch\u6587\u306e\u4f7f\u3044\u65b9\u3092\u6b21\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:java decode:true \">public class Main {\r\n \r\n    public static void main(String[] args) {\r\n        int result;\r\n        result = div(5, 0);\r\n        System.out.println(\"\u623b\u308a\u5024 = \" + result);\r\n    }\r\n \r\n    public static int div(int num1, int num2) {\r\n        try {\r\n            int result = num1 \/ num2;\r\n            \r\n            return result;\r\n \r\n        } catch (ArithmeticException e) {\r\n            System.out.println(\"\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\");\r\n            System.out.println(e);\r\n \r\n            return 0;\r\n        }\r\n    }\r\n\r\n}<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\r\njava.lang.ArithmeticException: \/ by zero\r\n\u623b\u308a\u5024 = 0<\/pre>\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001div\u30e1\u30bd\u30c3\u30c9\u3067\u5272\u308a\u7b97\u3092\u884c\u3044\u3001\u305d\u306e\u7d50\u679c\u3092\u547c\u3073\u51fa\u3057\u5143\u306emain\u30e1\u30bd\u30c3\u30c9\u306b\u8fd4\u3057\u3066\u3044\u307e\u3059\u30020\u3067\u5272\u308a\u7b97\u3092\u884c\u3063\u3066\u3044\u308b\u306e\u3067\u3001ArithmeticException\u306e\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3057\u3066\u3001catch\u30d6\u30ed\u30c3\u30af\u306e\u4e2d\u306e\u51e6\u7406\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u7d50\u679c\u304b\u3089\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>finally\u3067\u5fc5\u305a\u5b9f\u884c\u3059\u308b\u51e6\u7406\u3092\u8a18\u8ff0\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u3053\u3053\u3067\u306ffinally\u306e\u4f7f\u3044\u65b9\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002finally\u30d6\u30ed\u30c3\u30af\u306e\u4e2d\u306e\u51e6\u7406\u306f\u3001\u4f8b\u5916\u306e\u6709\u7121\u306b\u95a2\u308f\u3089\u305a\u3001\u6700\u5f8c\u306b\u5fc5\u305a\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001finally\u306f<strong>\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u305f\u5f8c\u306b\u78ba\u5b9f\u306bclose\u30e1\u30bd\u30c3\u30c9\u3067\u9589\u3058\u305f\u3044\u3068\u304d<\/strong>\u306a\u3069\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306e\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307f\u8868\u793a\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3001finally\u306e\u4f7f\u3044\u65b9\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:java decode:true \">import java.io.File;\r\nimport java.io.FileReader;\r\nimport java.io.IOException;\r\n\r\npublic class Main {\r\n \r\n    public static void main(String[] args) {\r\n        \/\/ 1.\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u3092\u6307\u5b9a\u3059\u308b\r\n        File file = new File(\"c:SampleTest.txt\");\r\n \r\n        \/\/ 2.\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306b\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u306e\u3067\u78ba\u8a8d\u3059\u308b\r\n        if (!file.exists()) {\r\n            System.out.print(\"\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u307e\u305b\u3093\");\r\n            return;\r\n        }\r\n \r\n        \/\/ 3.FileReader\u30af\u30e9\u30b9\u3068read\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u30661\u6587\u5b57\u305a\u3064\u8aad\u307f\u8fbc\u307f\u8868\u793a\u3059\u308b\r\n        FileReader fileReader = null;\r\n        try {\r\n            fileReader = new FileReader(file);\r\n \r\n            int data;\r\n            while ((data = fileReader.read()) != -1) {\r\n                System.out.print((char) data);\r\n            }\r\n \r\n        } catch (IOException e) {\r\n            e.printStackTrace();\r\n        } finally {\r\n            \/\/ 4.\u6700\u5f8c\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u9589\u3058\u3066\u30ea\u30bd\u30fc\u30b9\u3092\u958b\u653e\u3059\u308b\r\n            try {\r\n                if (fileReader != null) {\r\n                    fileReader.close();\r\n                }\r\n            } catch (IOException e) {\r\n                e.printStackTrace();\r\n            }\r\n        }\r\n    }\r\n\r\n}<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">SAMURAI\r\nENGINEER<\/pre>\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u3088\u3046\u306b\u3001finally\u30d6\u30ed\u30c3\u30af\u306e\u4e2d\u3067close\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3053\u3068\u3067\u78ba\u5b9f\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u9589\u3058\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002try-catch-finally\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u305c\u3072\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/22290\" 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\/22290-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011try-catch-finally\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<h2>throw\u3067\u610f\u56f3\u7684\u306b\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u308b\u65b9\u6cd5<\/h2>\n<p>\u3053\u3053\u3067\u306fthrow\u306e\u4f7f\u3044\u65b9\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002throw\u306f\u610f\u56f3\u7684\u306b\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3057\u3066\u3001\u4f8b\u5916\u51e6\u7406\u3092\u884c\u3044\u305f\u3044\u5834\u5408\u306b\u4f7f\u3044\u307e\u3059\u3002\u6b21\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:java decode:true \">public class Main {\r\n \r\n    public static void main(String[] args) {\r\n        int result;\r\n        result = div(5, 0);\r\n        System.out.println(\"\u623b\u308a\u5024 = \" + result);\r\n    }\r\n \r\n    public static int div(int num1, int num2) {\r\n        try {\r\n            if (num2 == 0) {\r\n                throw new ArithmeticException(\"0\u3067\u5272\u3063\u305f\u3068\u304d\u306e\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u308b\");\r\n            }\r\n            int result = num1 \/ num2;\r\n \r\n            return result;\r\n \r\n        } catch (Exception e) {\r\n            System.out.println(\"\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\");\r\n            System.out.println(e);\r\n \r\n            return 0;\r\n        }\r\n    }\r\n\r\n}<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\r\njava.lang.ArithmeticException: 0\u3067\u5272\u3063\u305f\u3068\u304d\u306e\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u308b\r\n\u623b\u308a\u5024 = 0<\/pre>\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306fthrow\u3092\u4f7f\u3063\u3066\u30010\u3067\u9664\u7b97\u3092\u3059\u308b\u5834\u5408\u306bArithmeticException\u306e\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>throws\u3067\u547c\u3073\u51fa\u3057\u5143\u3067\u4f8b\u5916\u51e6\u7406\u3092\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>throws\u306e\u4f7f\u3044\u65b9\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002throws\u306f\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306btry-catch\u6587\u3092\u4f7f\u3063\u3066\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u51e6\u7406\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3057\u5143\u3067\u4f8b\u5916\u51e6\u7406\u3092\u3057\u305f\u3044\u5834\u5408\u306b\u4f7f\u3044\u307e\u3059\u3002\u6b21\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:java decode:true \">public class Main {\r\n \r\n    public static void main(String[] args) {\r\n        int result = 0;\r\n        try {\r\n            result = div(5, 0);\r\n        } catch (Exception e) {\r\n            System.out.println(\"\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\");\r\n            System.out.println(e);\r\n        }\r\n \r\n        System.out.println(\"\u623b\u308a\u5024 = \" + result);\r\n    }\r\n \r\n    public static int div(int num1, int num2) throws ArithmeticException {\r\n        int result = num1 \/ num2;\r\n \r\n        return result;\r\n    }\r\n\r\n}<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\r\njava.lang.ArithmeticException: \/ by zero\r\n\u623b\u308a\u5024 = 0<\/pre>\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306fthrows\u3092\u4f7f\u3063\u3066\u3001\u547c\u3073\u51fa\u3057\u5143\u306emain\u30e1\u30bd\u30c3\u30c9\u3067\u4f8b\u5916\u51e6\u7406\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002throw\u3068throws\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u305c\u3072\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/22387\" 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\/08\/\u3010\u7d0d\u5f97Java\u3011try-catch\u6587\u306ethrow\u3068throws\u306e\u4f7f\u3044\u5206\u3051-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010\u7d0d\u5f97Java\u3011try-catch\u6587\u306ethrow\u3068throws\u306e\u4f7f\u3044\u5206\u3051<\/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<h2>\u4f8b\u5916\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b<\/h2>\n<p>\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u51fa\u529b\u8868\u793a\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u3064\u3044\u3066\u3001\u3044\u304f\u3064\u304b\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u307e\u3067\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3082\u3001<br \/>\n<div class=\"box01\"><\/p>\n<ul>\n<li><b>System.out.println(e)<\/b><\/li>\n<li><b>e.printStackTrace()<\/b><\/li>\n<\/ul>\n<\/div>\n<p>\u306a\u3069\u3092\u4f7f\u3063\u3066\u4f8b\u5916\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002printStackTrace\u30e1\u30bd\u30c3\u30c9\u306f\u3088\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u4f8b\u5916\u306b\u3088\u3063\u3066\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u9577\u3059\u304e\u308b\u3068\u611f\u3058\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u5916\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u51fa\u6765\u308c\u3070\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u30ed\u30b0\u3068\u3057\u3066\u6b8b\u3057\u305f\u3044\u306e\u3067\u3001\u3053\u3053\u3067\u306fgetMessage\u30e1\u30bd\u30c3\u30c9\u306a\u3069\u3092\u4f7f\u3046\u65b9\u6cd5\u306a\u3069\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h3>printStackTrace\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9<\/h3>\n<p>\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u3001printStackTrace\u30e1\u30bd\u30c3\u30c9\u3067\u4f8b\u5916\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u8868\u793a\u3055\u305b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:java decode:true \">import java.io.File;\r\nimport java.io.FileReader;\r\nimport java.io.IOException;\r\n\r\npublic class Main {\r\n \r\n    public static void main(String[] args) {\r\n        \/\/ FileReader\u30af\u30e9\u30b9\u3068read\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u30661\u6587\u5b57\u305a\u3064\u8aad\u307f\u8fbc\u307f\u8868\u793a\u3059\u308b\r\n        File file = new File(\"c:SampleTest.txt\");\r\n        FileReader fileReader = null;\r\n        try {\r\n            fileReader = new FileReader(file);\r\n \r\n            int data;\r\n            while ((data = fileReader.read()) != -1) {\r\n                System.out.print((char) data);\r\n            }\r\n \r\n        } catch (IOException e) {\r\n            e.printStackTrace();\r\n        } \r\n    }\r\n\r\n}<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">java.io.FileNotFoundException: c:SampleTest.txt (No such file or directory)\r\n        at java.io.FileInputStream.open0(Native Method)\r\n        at java.io.FileInputStream.open(FileInputStream.java:195)\r\n        at java.io.FileInputStream.&lt;init&gt;(FileInputStream.java:138)\r\n        at java.io.FileReader.&lt;init&gt;(FileReader.java:72)\r\n        at Main.main(Main.java:12)<\/pre>\n<p>\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001File\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u6307\u5b9a\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u305f\u3081\u3001<strong>\u4f8b\u5916FileNotFoundException\u304c\u767a\u751f<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\u5916\u51e6\u7406\u3068\u3057\u3066\u3001catch\u30d6\u30ed\u30c3\u30af\u3067printStackTrace\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u8868\u793a\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>getMessage\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9<\/h3>\n<p>\u3055\u304d\u307b\u3069\u306f\u3001printStackTrace\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u4f8b\u5916\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u8868\u793a\u3057\u307e\u3057\u305f\u3002\u3067\u3082\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u5c11\u3005\u9577\u3059\u304e\u308b\u306e\u3067\u3001\u3082\u3046\u5c11\u3057\u30b3\u30f3\u30d1\u30af\u30c8\u306b\u306a\u308b\u3068\u3046\u308c\u3057\u3044\u3067\u3059\u3088\u306d\u3002getMessage\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u77ed\u304f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:java decode:true \">import java.io.File;\r\nimport java.io.FileReader;\r\nimport java.io.IOException;\r\n\r\npublic class Main {\r\n \r\n    public static void main(String[] args) {\r\n        \/\/ FileReader\u30af\u30e9\u30b9\u3068read\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u30661\u6587\u5b57\u305a\u3064\u8aad\u307f\u8fbc\u307f\u8868\u793a\u3059\u308b\r\n        File file = new File(\"c:SampleTest.txt\");\r\n        FileReader fileReader = null;\r\n        try {\r\n            fileReader = new FileReader(file);\r\n \r\n            int data;\r\n            while ((data = fileReader.read()) != -1) {\r\n                System.out.print((char) data);\r\n            }\r\n \r\n        } catch (IOException e) {\r\n            System.out.println(e.getMessage());\r\n        } \r\n    }\r\n\r\n}<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">c:SampleTest.txt (No such file or directory)<\/pre>\n<p>\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001getMessage\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u4f8b\u5916\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002printStackTrace\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u51fa\u529b\u8868\u793a\u3055\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4e00\u884c\u76ee\u300c:\u300d\u4ee5\u964d\u3092\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u3057\u3066\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n<h3>getClass\u3001getStackTrace\u3092\u4f7f\u3046\u65b9\u6cd5<\/h3>\n<p>getMessage\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u304c\u3001\u3053\u308c\u3060\u3051\u3067\u306f\u60c5\u5831\u3068\u3057\u3066\u5c11\u306a\u3044\u3068\u611f\u3058\u307e\u305b\u3093\u304b\uff1f\u305b\u3081\u3066\u3001\u4f8b\u5916\u306e\u7a2e\u985e\u3001\u4f8b\u5916\u767a\u751f\u5834\u6240\u306e\u60c5\u5831\u306f\u3042\u3063\u305f\u65b9\u304c\u3044\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u4f8b\u5916\u306e\u7a2e\u985e\u306e\u60c5\u5831\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u306f\u3001getClass\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u307e\u3059\u3002<strong>\u4f8b\u5916\u767a\u751f\u5834\u6240\u306e\u60c5\u5831\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u306f\u3001getStackTrace\u30e1\u30bd\u30c3\u30c9<\/strong>\u3092\u4f7f\u3044\u307e\u3059\u3002\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:java decode:true \">import java.io.File;\r\nimport java.io.FileReader;\r\nimport java.io.IOException;\r\n\r\npublic class Main {\r\n \r\n    public static void main(String[] args) {\r\n        \/\/ FileReader\u30af\u30e9\u30b9\u3068read\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u30661\u6587\u5b57\u305a\u3064\u8aad\u307f\u8fbc\u307f\u8868\u793a\u3059\u308b\r\n        File file = new File(\"c:SampleTest.txt\");\r\n        FileReader fileReader = null;\r\n        try {\r\n            fileReader = new FileReader(file);\r\n \r\n            int data;\r\n            while ((data = fileReader.read()) != -1) {\r\n                System.out.print((char) data);\r\n            }\r\n \r\n        } catch (IOException e) {\r\n            StackTraceElement[] ste = e.getStackTrace();\r\n            System.out.println(e.getClass().getName() + \": \"+ e.getMessage());\r\n            System.out.println(\"tat \"+ ste[ste.length-1]); \/\/ \u6700\u5f8c\u306e\u8981\u7d20\u306e\u4f8b\u5916\u767a\u751f\u5834\u6240\u306e\u307f\u8868\u793a\r\n        } \r\n    }\r\n\r\n}<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">java.io.FileNotFoundException: c:SampleTest.txt (No such file or directory)\r\n        at Main.main(Main.java:12)<\/pre>\n<p>\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001getClass().getName()\u30e1\u30bd\u30c3\u30c9\u3068getMessage\u30e1\u30bd\u30c3\u30c9\u3001\u304a\u3088\u3073getStackTrace\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u4f8b\u5916\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>getStackTrace\u30e1\u30bd\u30c3\u30c9\u306fprintStackTrace\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u51fa\u529b\u8868\u793a\u3055\u308c\u308b\u300cat\u300d\u4ee5\u964d\u306e\u4f8b\u5916\u767a\u751f\u5834\u6240\u306e\u8a18\u8ff0\u3092\u914d\u5217\u3067\u8fd4\u3057\u307e\u3059\u3002getStackTrace\u30e1\u30bd\u30c3\u30c9\u3067\u8fd4\u3055\u308c\u305f\u914d\u5217\u3092StackTraceElement\u578b\u306e\u914d\u5217ste\u306b\u683c\u7d0d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u914d\u5217ste\u306e\u8981\u7d20\u306e\u4e2d\u3067\u3001\u8a18\u8ff0\u3057\u305f\u30b3\u30fc\u30c9\u306e\u4f8b\u5916\u767a\u751f\u5834\u6240\u306f\u6700\u5f8c\u306e\u8981\u7d20\u306b\u8a18\u8ff0\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u6700\u5f8c\u306e\u8981\u7d20\u306e\u307f\u51fa\u529b\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001getClass().getName()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3001\u8a72\u5f53\u3059\u308b\u4f8b\u5916\u30af\u30e9\u30b9\u540d\u3092\u51fa\u529b\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>Exception\u30af\u30e9\u30b9\u306e\u7a2e\u985e\u4e00\u89a7<\/h2>\n<p>\u3088\u304f\u307f\u304b\u3051\u308bException\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066\u8868\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n\n<table id=\"tablepress-203\" class=\"tablepress tablepress-id-203\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">\u4f8b\u5916\u30af\u30e9\u30b9<\/th><th class=\"column-2\">\u8aac\u660e<\/th><th class=\"column-3\">\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">java.lang.IllegalArgumentException<\/td><td class=\"column-2\">\u4e0d\u9069\u5207\u306a\u5f15\u6570<\/td><td class=\"column-3\">\u5f15\u6570\u306e\u6307\u5b9a\u30a8\u30e9\u30fc<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">java.lang.IllegalStateException<\/td><td class=\"column-2\">\u4e0d\u6b63\u306a\u72b6\u614b<\/td><td class=\"column-3\">\u672a\u521d\u671f\u5316\u3067\u547c\u3073\u51fa\u3057<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">java.lang.NullPointerException<\/td><td class=\"column-2\">Null\u30a2\u30af\u30bb\u30b9<\/td><td class=\"column-3\">\u6587\u5b57\u5217\u306e\u5024\u304cNull<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">java.lang.IndexOutOfBoundsException<\/td><td class=\"column-2\">\u7bc4\u56f2\u5916<\/td><td class=\"column-3\">\u914d\u5217\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u304c\u30aa\u30fc\u30d0\u30fc<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">java.lang.ArithmeticException<\/td><td class=\"column-2\">\u4e0d\u6b63\u306a\u7b97\u8853\u8a08\u7b97<\/td><td class=\"column-3\">\u30bc\u30ed\u3067\u306e\u5272\u308a\u7b97<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">java.lang.NumberFormatException<\/td><td class=\"column-2\">\u4e0d\u6b63\u306a\u6570\u5024\u578b\u3078\u306e\u5909\u63db<\/td><td class=\"column-3\">\u5909\u63db\u5143\u306e\u6587\u5b57\u5217\u304c\u6570\u5024\u3067\u306a\u3044<\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">java.io.FileNotFoundException<\/td><td class=\"column-2\">\u30d5\u30a1\u30a4\u30eb\u304c\u958b\u3051\u306a\u3044<\/td><td class=\"column-3\">\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u306a\u3044<\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">java.io.IOException<\/td><td class=\"column-2\">\u4e0d\u6b63\u306a\u5165\u51fa\u529b<\/td><td class=\"column-3\">\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u306a\u3044\u306a\u3069<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-203 from cache -->\n<p>\u3053\u306e\u8868\u4ee5\u5916\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3061\u3089\u306e\u516c\u5f0f\u30b5\u30a4\u30c8\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<br \/>\n<a href=\"http:\/\/docs.oracle.com\/javame\/config\/cdc\/ref-impl\/cdc1.1.2\/jsr218\/ja\/java\/lang\/class-use\/Exception.html\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/docs.oracle.com\/javame\/config\/cdc\/ref-impl\/cdc1.1.2\/jsr218\/ja\/java\/lang\/class-use\/Exception.html<\/a><\/p>\n<h2>\u72ec\u81ea\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u4f5c\u6210<\/h2>\n<p>\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3057\u3066\u3001\u72ec\u81ea\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u89aa\u30af\u30e9\u30b9\u3068\u306a\u308b\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u7d99\u627f\u3057\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002<strong>\u89aa\u30af\u30e9\u30b9\u3068\u306a\u308b\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd<\/strong>\u3067\u3059\u3002Exception\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3057\u305f\u72ec\u81ea\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:java decode:true \">\/\/ \u72ec\u81ea\u306e\u4f8b\u5916\u30af\u30e9\u30b9\r\nclass MyExc extends Exception {\r\n    public MyExc() {\r\n        \r\n    }\r\n    \r\n    public MyExc(String msg) {\r\n        super(msg);\r\n    }\r\n    \r\n    public MyExc(Throwable cause) {\r\n        super(cause);\r\n    }\r\n    \r\n    public MyExc(String msg, Throwable cause) {\r\n        super(msg, cause);\r\n    }\r\n}\r\n\r\npublic class Main {\r\n \r\n    public static void main(String[] args) {\r\n        int result;\r\n        result = div(5, 0);\r\n        System.out.println(\"\u623b\u308a\u5024 = \" + result);\r\n    }\r\n \r\n    public static int div(int num1, int num2) {\r\n        try {\r\n            try {\r\n                if (num2 == 0) {\r\n                    throw new MyExc(\"0\u3067\u5272\u3063\u305f\u3068\u304d\u306e\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u308b\");\r\n                }\r\n            } catch (MyExc e) {\r\n                throw new MyExc(\"\u72ec\u81ea\u30af\u30e9\u30b9\u306e\u4f8b\u5916\u767a\u751f\", e);\r\n            }\r\n            \r\n            int result = num1 \/ num2;\r\n            return result;\r\n \r\n        } catch (MyExc e) {\r\n            e.printStackTrace();\r\n \r\n            return 0;\r\n        }\r\n    }\r\n\r\n}<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">MyExc: \u72ec\u81ea\u30af\u30e9\u30b9\u306e\u4f8b\u5916\u767a\u751f\r\n        at Main.div(Main.java:35)\r\n        at Main.main(Main.java:24)\r\nCaused by: MyExc: 0\u3067\u5272\u3063\u305f\u3068\u304d\u306e\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u308b\r\n        at Main.div(Main.java:32)\r\n        ... 1 more\r\n\u623b\u308a\u5024 = 0<\/pre>\n<p>\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001Exception\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3057\u3066\u72ec\u81ea\u306e\u4f8b\u5916\u30af\u30e9\u30b9MyExc\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Exception\u30af\u30e9\u30b9\u3067\u306f\u3001String\u578b\u306e\u5f15\u6570\u3092\u6307\u5b9a\u3059\u308b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068Throwable\u578b\u306e\u5f15\u6570\u3092\u6307\u5b9a\u3059\u308b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068String\u578b\u3001Throwable\u578b\u4e21\u65b9\u306e\u5f15\u6570\u3092\u6307\u5b9a\u3059\u308b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>MyExc\u30af\u30e9\u30b9\u3067\u3082\u3053\u308c\u3089\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u300csuper\u300d\u53e5\u3092\u4f7f\u3063\u3066\u7d99\u627f\u3057\u3066\u3044\u307e\u3059\u3002Main\u30af\u30e9\u30b9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001String\u578b\u6587\u5b57\u5217&#8221;0\u3067\u5272\u3063\u305f\u3068\u304d\u306e\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u308b&#8221;\u3067\u4f8b\u5916\u3092\u6295\u3052\u3001catch\u30d6\u30ed\u30c3\u30af\u3067\u4e00\u65e6\u4f8b\u5916\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u4e00\u65e6\u53d7\u3051\u53d6\u3063\u305f\u4f8b\u5916\u3092String\u6587\u5b57\u5217\u201d\u72ec\u81ea\u30af\u30e9\u30b9\u306e\u4f8b\u5916\u767a\u751f\u201d\u3068Throwable\u578b\u5909\u6570e\u3067\u4f8b\u5916\u3068\u3057\u3066\u6295\u3052\u3001catch\u30d6\u30ed\u30c3\u30af\u3067\u53d7\u3051\u53d6\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u3044\u304b\u304c\u3067\u3057\u305f\u304b\uff1f\u3000\u4eca\u56de\u306ftry-catch\u6587\u3092\u4f7f\u3063\u3066\u4f8b\u5916\u51e6\u7406\u3092\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\u4f8b\u5916\u51e6\u7406\u304c\u884c\u308f\u308c\u3066\u3044\u306a\u3044\u3068\u3001\u5b9f\u884c\u6642\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306b\u305d\u3053\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u7d42\u4e86\u3057\u3066\u3057\u307e\u3046\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n<p>\u3082\u3057\u3001\u4f8b\u5916\u51e6\u7406\u306e\u65b9\u6cd5\u3092\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u3089\u3053\u306e\u8a18\u4e8b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u4f8b\u5916\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308b\u306b\u306f\u3001try-catch\u51e6\u7406\u306e\u4e2d\u3067Exception\u30af\u30e9\u30b9\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3082\u305d\u3082\u4f8b\u5916\u51e6\u7406\u3068\u306f\u3001 \u5b9f\u884c\u505c\u6b62\u3057\u3066\u306f\u3044\u3051\u306a\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u4f55\u3089\u304b\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u843d\u3061\u305f \u9014\u4e2d\u3067\u554f\u984c\u304c\u767a\u751f\u3057 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":70987,"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":[2344],"tags":[67],"class_list":["post-26344","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java-study","tag-java"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u3010Java\u3011try-catch\u3067\u4f8b\u5916\u51e6\u7406\u3092\u5b9f\u88c5\u3057\u3088\u3046\uff01Exception\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9 | 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