{"id":22337,"date":"2017-05-01T22:22:33","date_gmt":"2017-05-01T13:22:33","guid":{"rendered":"http:\/\/www.sejuku.net\/blog\/?p=22337"},"modified":"2024-05-06T11:41:59","modified_gmt":"2024-05-06T02:41:59","slug":"%e3%80%90java%e5%85%a5%e9%96%80%e3%80%91%e3%83%a9%e3%83%a0%e3%83%80%e5%bc%8f%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/22337","title":{"rendered":"\u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API)"},"content":{"rendered":"

Java8\u304b\u3089\u30e9\u30e0\u30c0\u5f0f\u3068\u547c\u3070\u308c\u308b\u8a18\u8ff0\u65b9\u5f0f\u304c\u76db\u308a\u8fbc\u307e\u308c\u307e\u3057\u305f\u3002<\/p>\n

\u30e9\u30e0\u30c0\u5f0f\u3092\u4f7f\u3046\u3068\u4f55\u304c\u4fbf\u5229\u306a\u306e\u304b\u3068\u8a00\u3046\u3068\u3001\u30e1\u30bd\u30c3\u30c9\u3092\u5909\u6570\u3068\u540c\u69d8\u306b\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u3001\u8a18\u8ff0\u3092\u7c21\u7565\u5316\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n

\u3064\u307e\u308a\u3001\u8a18\u8ff0\u91cf\u304c\u6e1b\u3063\u3066\u30b7\u30f3\u30d7\u30eb\u306a\u8868\u8a18\u306b\u3067\u304d\u308b\u3053\u3068\u304c\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002<\/p>\n

\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30e9\u30e0\u30c0\u5f0f\u306b\u3064\u3044\u3066\u4ee5\u4e0b\u306e\u5185\u5bb9\u3067\u89e3\u8aac\u3057\u3066\u304d\u307e\u3059\u3002<\/p>\n


\n\u30fb\u30e9\u30e0\u30c0\u5f0f\u3068\u306f
\n\u30fb\u30e9\u30e0\u30c0\u5f0f\u306e\u30e1\u30ea\u30c3\u30c8
\n\u30fb\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9
\n\u30fb\u95a2\u6570\u578binterface\u306e\u5b9f\u88c5\u3092\u30e9\u30e0\u30c0\u5f0f\u306b\u7f6e\u304d\u63db\u3048
\n\u30fbStream API\u306e\u4f7f\u3044\u65b9
\n\u30fb\u30e9\u30e0\u30c0\u5f0f\u306e\u6ce8\u610f\u70b9<\/strong>
\n<\/p>\n

\u4eca\u56de\u306f\u30e9\u30e0\u30c0\u5f0f\u306b\u3064\u3044\u3066\u3001\u4f7f\u3044\u65b9\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\uff01<\/p>\n

\u306a\u304a\u3001Java\u306e\u8a18\u4e8b\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3061\u3089<\/a>\u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30e9\u30e0\u30c0\u5f0f\u3068\u306f<\/h2>\n

\u30e9\u30e0\u30c0\u5f0f\u3068\u3044\u3046\u306e\u306f\u3001\u3042\u307e\u308a\u99b4\u67d3\u307f\u306f\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304cF#\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\u304a\u3051\u308b\u7528\u8a9e\u3067\u3059\u3002<\/p>\n

\u304b\u3093\u305f\u3093\u306b\u8a00\u3046\u3068\u3001\u300c\u30e1\u30bd\u30c3\u30c9\u3092\u5909\u6570\u3068\u540c\u69d8\u306b\u6271\u3046\u8a18\u8ff0\u69d8\u5f0f<\/strong><\/span>\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

Java8\u304b\u3089\u8ffd\u52a0\u3055\u308c\u3001\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u30e9\u30e0\u30c0\u5f0f\u306e\u30e1\u30ea\u30c3\u30c8<\/h2>\n

\u30e9\u30e0\u30c0\u5f0f\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308b\u30e1\u30ea\u30c3\u30c8\u306f\u4e3b\u306b2\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u30fb\u95a2\u6570\u578b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3059\u308b\u306e\u305f\u3081\u306e\u30bd\u30fc\u30b9\u3092\u624b\u77ed\u306b\u66f8\u3051\u308b
\n\u30fb\u300cStream API\u300d\u306e\u5f15\u6570\u3068\u3057\u3066\u306e\u95a2\u6570\u578b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u8a18\u8ff0\u3059\u308b\u306e\u306b\u9069\u3057\u3066\u3044\u308b<\/strong><\/span><\/p>\n

\u3061\u306a\u307f\u306b\u3001\u95a2\u6570\u578b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/strong><\/span>\u3068\u306f\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u30921\u3064\u6301\u3064\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u3053\u3068<\/strong><\/span>\u3067\u3059\u3002<\/p>\n

\u307e\u305f\u3001\u300cStream API\u300d<\/strong><\/span>\u3068\u306f\u914d\u5217\u3084List\u3001Collection\u306a\u3069\u306e\u8981\u7d20\u306e\u96c6\u5408\u306b\u5bfe\u3057\u3066\u3001\u8981\u7d20\u306e\u76f4\u5217\u51e6\u7406\u3084\u4e26\u5217\u51e6\u7406\u3001\u8981\u7d20\u306e\u6bd4\u8f03\u4e26\u3073\u66ff\u3048\u3001\u4e00\u81f4\u5224\u5b9a\u306a\u3069\u306e\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u7fa4<\/strong><\/span>\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n

\u3053\u306e2\u3064\u306e\u30e1\u30ea\u30c3\u30c8\u306b\u3064\u3044\u3066\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u4e00\u89a7<\/h2>\n

\u30e9\u30e0\u30c0\u5f0f\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u540d \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d = (\u5f15\u65701, \u5f15\u65702, \u30fb\u30fb\u30fb) -> {return \u51e6\u7406\u5185\u5bb9};<\/pre>\n
\u306a\u304a\u3001\u5f15\u6570\u306e\u578b\u306f\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093<\/strong><\/span>\u3002<\/p>\n
\u5f15\u6570\u306e\u578b\u306f\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306b\u3088\u3063\u3066\u985e\u63a8\u3055\u308c\u308b\u306e\u3067\u3001\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u306e\u304c\u30e9\u30e0\u30c0\u5f0f\u306e\u8a18\u8ff0\u306e\u7279\u5fb4\u306e\u4e00\u3064\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u3060\u304b\u3089\u3068\u8a00\u3063\u3066\u3001\u5f93\u6765\u306e\u8a18\u8ff0\u69d8\u5f0f\u306e\u3088\u3046\u306b\u578b\u3092\u8a18\u8ff0\u3057\u3066\u3082\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u30e9\u30e0\u30c0\u5f0f\u306e\u5f15\u6570\u304c1\u3064\u306e\u5834\u5408<\/h3>\n
\u30e9\u30e0\u30c0\u5f0f\u306e\u5f15\u6570\u304c1\u3064\u306e\u5834\u5408\u306f\u3088\u308a\u624b\u77ed\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u540d \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d = \u5f15\u6570 -> \u51e6\u7406;<\/pre>\n
\u5f15\u6570\u304c1\u3064\u306e\u5834\u5408\u306f\u51e6\u7406\u7d50\u679c\u3092\u8fd4\u3059\u300creturn<\/strong><\/span>\u300d\u53e5\u3084\u5f15\u6570\u7fa4\u3092\u56f2\u3080\u300c()<\/strong><\/span>\u300d\u3001\u51e6\u7406\u306e\u8a18\u8ff0\u3092\u56f2\u3080\u300c{}<\/strong><\/span>\u300d\u3092\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u30e1\u30bd\u30c3\u30c9\u53c2\u7167\u4e00\u89a7<\/h3>\n
\u30e1\u30bd\u30c3\u30c9\u53c2\u7167<\/strong><\/span>\u3068\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u3068\u3057\u3066\u30e1\u30bd\u30c3\u30c9\u3092\u53c2\u7167<\/strong><\/span>\u3067\u304d\u308b\u4ed5\u7d44\u307f\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n
\u547c\u3073\u51fa\u3057\u305f\u3044\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u76f4\u524d\u306b\u300c::<\/strong><\/span>\u300d\u53e5\u3092\u3001\u3055\u3089\u306b\u305d\u306e\u524d\u306b\u306f\u30af\u30e9\u30b9\u540d\u3092\u8a18\u8ff0\u3057\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u90e8\u5206\u306e\u300c()\u300d\u306f\u7701\u7565<\/strong><\/span>\u3059\u308b\u578b\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n
\u30af\u30e9\u30b9\u540d :: \u30e1\u30bd\u30c3\u30c9\u540d<\/pre>\n
\u30e1\u30bd\u30c3\u30c9\u53c2\u7167\u306b\u3064\u3044\u3066\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8868\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n\n\n\n\n\t\n\n\t\n\t\n\t
<\/td>\u69cb\u6587<\/th>\u30e9\u30e0\u30c0\u5f0f\u4f8b<\/th>\u5f93\u6765\u8a18\u8ff0\u4f8b<\/th>\n<\/tr>\n<\/thead>\n
\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9<\/td>\u30af\u30e9\u30b9\u540d::\u30e1\u30bd\u30c3\u30c9\u540d<\/td>String::toString<\/td>String.toString(\u5f15\u6570)<\/td>\n<\/tr>\n
\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9<\/td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d::\u30e1\u30bd\u30c3\u30c9\u540d<\/td>System.out::println<\/td>System.out.println(\u5f15\u6570)<\/td>\n<\/tr>\n
\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf<\/td>\u30af\u30e9\u30b9\u540d::new<\/td>ArrayList::new<\/td>new ArrayList()<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n
\u30e1\u30bd\u30c3\u30c9\u53c2\u7167\u3082java8\u304b\u3089\u8ffd\u52a0\u3055\u308c\u305f\u6a5f\u80fd\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n
\u30e9\u30e0\u30c0\u5f0f\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u624b\u77ed\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u30e9\u30e0\u30c0\u5f0f\u3068\u4e00\u7dd2\u306b\u4f7f\u308f\u308c\u308b\u3053\u3068\u3082\u591a\u3044\u3067\u3059\u3002<\/p>\n
\u30e1\u30bd\u30c3\u30c9\u53c2\u7167\u306f\u3001static<\/strong><\/span>\u306a\u30e1\u30bd\u30c3\u30c9\u3092\u8a18\u8ff0\u3059\u308b\u5834\u5408\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n
\u306a\u304a\u3001\u30e1\u30bd\u30c3\u30c9\u53c2\u7167\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u53c2\u7167<\/strong><\/span>\u3059\u308b\u4ed5\u7d44\u307f\u306e\u3053\u3068\u3092\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u53c2\u7167<\/strong><\/span>\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n
\u30e1\u30bd\u30c3\u30c9\u53c2\u7167\u306e\u8a73\u3057\u3044\u89e3\u8aac\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089\u3082\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n            \n                
\n                
\n                    
\n                    \n                    <\/div>\n                    
\n                    
\u3010\u697d\u30c1\u30f3Java\u3011\u30e1\u30bd\u30c3\u30c9\u53c2\u7167\u3067\u306e\u547c\u3073\u51fa\u3057\u65b9<\/div>\n                    
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n
\u95a2\u6570\u578binterface\u306e\u5b9f\u88c5\u3092\u30e9\u30e0\u30c0\u5f0f\u306b\u7f6e\u304d\u63db\u3048<\/h2>\n
\u95a2\u6570\u578b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/strong><\/span>\u3068\u306f\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u30921\u3064\u3060\u3051\u6301\u3064\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/strong><\/span>\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n
\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306b\u51e6\u7406\u5185\u5bb9\u3092\u30e9\u30e0\u30c0\u5f0f\u3067\u8a18\u8ff0<\/strong><\/span>\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u533f\u540d\u30af\u30e9\u30b9\u3067\u306e\u8a18\u8ff0(\u5f93\u6765\u4f8b)<\/h3>\n
\u307e\u305a\u306f\u3001\u3053\u308c\u307e\u3067\u306e\u533f\u540d\u30af\u30e9\u30b9\u3067\u306e\u8a18\u8ff0\u306b\u3064\u3044\u3066\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
\/\/ \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\r\ninterface InterfaceTest{\r\n    \/\/ \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\r\n    public String method(String name, int n);\r\n}\r\n \r\npublic class Main {\r\n \r\n    public static void main(String[] args) {\r\n \r\n        \/\/ \u533f\u540d\u30af\u30e9\u30b9\u306e\u5834\u5408\r\n        InterfaceTest it = new InterfaceTest() {\r\n            \/\/ \u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\r\n            public String method(String name, int n) {\r\n                return \"Hello \" + name + n + \"!\";\r\n            }\r\n        };\r\n        System.out.println(it.method(\"Java\", 8));\r\n    }\r\n \r\n}<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
Hello Java8!<\/pre>\n
\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9a\u7fa9\u3057\u3001\u5b9f\u969b\u306b\u4f7f\u7528\u3059\u308b\u969b\u306b\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30e9\u30e0\u30c0\u5f0f\u3067\u306e\u8a18\u8ff0<\/h3>\n
\u305d\u308c\u3067\u306f\u30e9\u30e0\u30c0\u5f0f\u306e\u8a18\u8ff0\u306b\u3064\u3044\u3066\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
\/\/ \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\r\ninterface InterfaceTest{\r\n    \/\/ \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\r\n    public String method(String name, int n);\r\n}\r\n\r\npublic class Main {\r\n \r\n    public static void main(String[] args) {\r\n \r\n        \/\/ \u30e9\u30e0\u30c0\u5f0f\u306e\u5834\u5408\r\n        InterfaceTest it = (name, n) -> {\r\n            return \"Hello \" + name + n + \"!\";\r\n        };\r\n        System.out.println(it.method(\"Java\", 8));\r\n    }\r\n \r\n}<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
Hello Java8!<\/pre>\n
\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u3088\u3046\u306b\u3001\u533f\u540d\u30af\u30e9\u30b9\u3092\u30e9\u30e0\u30c0\u5f0f\u3067\u624b\u77ed\u306b\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30e9\u30e0\u30c0\u5f0f\u3067\u5f15\u6570\u306ename\u3084n\u306bString\u3084int\u306a\u3069\u306e\u578b\u6307\u5b9a\u3092\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044<\/strong><\/span>\u306e\u3082\u3001\u624b\u77ed\u306b\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u8981\u56e0\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n
\u300cStream API\u300d\u306e\u5f15\u6570\u306b\u30e9\u30e0\u30c0\u5f0f\u3092\u4f7f\u3046\u65b9\u6cd5<\/h2>\n
\u307e\u305a\u300cStream API\u300d\u306b\u3064\u3044\u3066\u3067\u3059\u304c\u3001\u3053\u308c\u3082Java8\u304b\u3089\u65b0\u305f\u306b\u8a00\u8a9e\u62e1\u5f35\u3055\u308c\u305f\u6a5f\u80fd\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n
\u300cStream API<\/strong><\/span>\u300d\u3068\u306f\u914d\u5217\u3084List\u3001Collection\u306a\u3069\u306e\u8981\u7d20\u306e\u96c6\u5408\u306b\u5bfe\u3057\u3066\u51e6\u7406\u3092\u884c\u3046\u5834\u5408\u306b\u4fbf\u5229<\/strong><\/span>\u306aAPI\u3067\u3059\u3002<\/p>\n
\u8981\u7d20\u306e\u76f4\u5217\u51e6\u7406\u3084\u4e26\u5217\u51e6\u7406\u3001\u8981\u7d20\u306e\u6bd4\u8f03\u4e26\u3073\u66ff\u3048\u3001\u4e00\u81f4\u5224\u5b9a\u306a\u3069\u306e\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u914d\u5217\u3084List\u3001Collection\u306a\u3069\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d.stream().\u30e1\u30bd\u30c3\u30c9\u540d((\u5f15\u6570) -> {\u51e6\u7406})<\/pre>\n
\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u306b\u306f\u30e9\u30e0\u30c0\u5f0f\u306e\u8a18\u8ff0\u69d8\u5f0f\u3092\u4f7f\u7528<\/strong><\/span>\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u3053\u3067\u306f\u3001\u300cfilter<\/strong><\/span>\u300d\u3001\u300csorted<\/strong><\/span>\u300d\u3001\u300cmap<\/strong><\/span>\u300d\u306a\u3069\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u8981\u7d20\u306e\u51e6\u7406\u3092\u624b\u77ed\u306b\u8a18\u8ff0\u3059\u308b\u4f8b\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
forEach\u306e\u4f7f\u3044\u65b9<\/h3>\n
\u307e\u305a\u306fforEach<\/strong><\/span>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066for\u30eb\u30fc\u30d7\u6587\u3092\u624b\u77ed\u306b\u66f8\u304f<\/strong><\/span>\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
import java.util.Arrays;\r\nimport java.util.List;\r\n \r\npublic class Main {\r\n \r\n    public static void main(String[] args) {\r\n        Integer[] num = {1, 2, 3, 4, 5};\r\n        List<Integer> l = Arrays.asList(num);\r\n \r\n        \/\/ \u30e9\u30e0\u30c0\u5f0f\u306e\u8a18\u8ff0\r\n        l.forEach(System.out::println);\r\n\r\n        \/*        \r\n        \/\/ for\u6587\u3067\u306e\u8a18\u8ff0\r\n        for(int i = 0; i < l.size(); i++) {\r\n            System.out.println(l.get(i));\r\n        }\r\n        *\/\r\n    }\r\n}<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
1\r\n2\r\n3\r\n4\r\n5<\/pre>\n
\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001forEach<\/strong><\/span>\u30e1\u30bd\u30c3\u30c9\u3068\u30e1\u30bd\u30c3\u30c9\u53c2\u7167<\/strong><\/span>(System.out::println)\u3092\u4f7f\u3063\u3066\u624b\u77ed\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u306a\u304a\u3001for\u6587\u3067\u8a18\u8ff0\u3059\u308b\u5834\u5408\u306e\u4f8b\u3092\u6bd4\u8f03\u3068\u3057\u3066\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u90e8\u306b\u8a18\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
filter\u306e\u4f7f\u3044\u65b9<\/h3>\n
filter<\/strong><\/span>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u6761\u4ef6\u5f0f\u3092\u6e80\u305f\u3059\u5834\u5408\u306e\u51e6\u7406\u306e\u8a18\u8ff0\u65b9\u6cd5<\/strong><\/span>\u306b\u3064\u3044\u3066\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
import java.util.Arrays;\r\nimport java.util.List;\r\n \r\npublic class Main {\r\n \r\n    public static void main(String[] args) {\r\n        Integer[] num = {1, 2, 3, 4, 5};\r\n        List<Integer> l = Arrays.asList(num);\r\n \r\n        \/\/ \u30e9\u30e0\u30c0\u5f0f\u306e\u8a18\u8ff0\uff1a3\u672a\u6e80\u3092\u62bd\u51fa\r\n        l.stream().filter(x -> x < 3).forEach(System.out::println);\r\n    }\r\n}<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
1\r\n2<\/pre>\n
\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306ffilter<\/strong><\/span>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u5f15\u6570x\u306e\u5024\u304c3\u672a\u6e80\u3068\u3044\u3046\u6761\u4ef6\u3092\u6e80\u305f\u3059\u5834\u5408\u306e\u307f\u3001x\u306e\u5024\u3092\u51fa\u529b\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
filter\u306e\u5f15\u6570\u306e\u51e6\u7406\u306f\u30e9\u30e0\u30c0\u5f0f\u3067\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001\u5148\u307b\u3069\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3054\u8aac\u660e\u3092\u3057\u305fforEach<\/strong><\/span>\u30e1\u30bd\u30c3\u30c9\u3068\u30e1\u30bd\u30c3\u30c9\u53c2\u7167<\/strong><\/span>(System.out::println)\u3092\u4f7f\u3063\u3066\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u30011\u884c\u3067\u624b\u77ed\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n
sorted\u306e\u4f7f\u3044\u65b9<\/h3>\n

\nsorted<\/strong><\/span>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u30bd\u30fc\u30c8\u51e6\u7406\u3092\u884c\u3046\u8a18\u8ff0\u306e\u65b9\u6cd5<\/strong><\/span>\u306b\u3064\u3044\u3066\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
import java.util.Arrays;\r\nimport java.util.List;\r\n \r\npublic class Main {\r\n \r\n    public static void main(String[] args) {\r\n        Integer[] num = {1, 3, 5, 4, 2};\r\n        List<Integer> l = Arrays.asList(num);\r\n \r\n        \/\/ \u30e9\u30e0\u30c0\u5f0f\u306e\u8a18\u8ff0\uff1a\u964d\u9806\u306b\u30bd\u30fc\u30c8\r\n        l.stream().sorted((x, y) -> y - x).forEach(System.out::println);\r\n    }\r\n}<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
5\r\n4\r\n3\r\n2\r\n1<\/pre>\n
\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001sorted<\/strong><\/span>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u964d\u9806\u306b\u30bd\u30fc\u30c8\u3059\u308b\u4f8b\u3092\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
sorted\u306e\u5f15\u6570\u306e\u51e6\u7406\u3092\u30e9\u30e0\u30c0\u5f0f\u3067\u8a18\u8ff0\u3057\u3001\u307e\u305fforEach<\/strong><\/span>\u30e1\u30bd\u30c3\u30c9\u3068\u30e1\u30bd\u30c3\u30c9\u53c2\u7167<\/strong><\/span>\u3092\u4f7f\u3046\u3053\u3068\u30671\u884c\u3067\u624b\u77ed\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n
map\u306e\u4f7f\u3044\u65b9<\/h3>\n
map<\/strong><\/span>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u5f15\u6570\u3092\u56db\u5247\u6f14\u7b97\u3059\u308b\u65b9\u6cd5<\/strong><\/span>\u306b\u3064\u3044\u3066\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
import java.util.Arrays;\r\nimport java.util.List;\r\n \r\npublic class Main {\r\n \r\n    public static void main(String[] args) {\r\n        Integer[] num = {1, 2, 3, 4, 5};\r\n        List<Integer> l = Arrays.asList(num);\r\n \r\n        \/\/ \u30e9\u30e0\u30c0\u5f0f\u306e\u8a18\u8ff0\uff1a\u56db\u5247\u6f14\u7b97\r\n        l.stream().map(x -> x * 10 - 5).forEach(System.out::println);\r\n    }\r\n}<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
5\r\n15\r\n25\r\n35\r\n45<\/pre>\n
\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001map<\/strong><\/span>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u5f15\u6570\u3092\u56db\u5247\u6f14\u7b97\u3059\u308b\u4f8b\u3092\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u307e\u3067\u3068\u540c\u3058\u3088\u3046\u306b\u30011\u884c\u3067\u624b\u77ed\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n
List\u21d4Map\u306e\u5909\u63db\u3067StreamAPI\u3092\u4f7f\u3046\u65b9\u6cd5<\/h3>\n
StreamAPI\u3092\u4f7f\u3063\u3066\u3001List\u3068Map\u306e\u5909\u63db\u3092\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
List\u3068Map\u306e\u5909\u63db\u306bStreamAPI\u3092\u4f7f\u3046\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u305c\u3072\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n            \n                
\n                
\n                    
\n                    \n                    <\/div>\n                    
\n                    
\u3010Java\u5165\u9580\u3011List\u21d4Map\u5909\u63db\u3067Java8\u306eStream\u3092\u4f7f\u3046\u65b9\u6cd5<\/div>\n                    
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n
\u30e9\u30e0\u30c0\u5f0f\u306e\u6ce8\u610f\u70b9<\/h2>\n
\u30e9\u30e0\u30c0\u5f0f\u3092\u4f7f\u3046\u5834\u5408\u306b\u3001\u5909\u6570\u3092\u53c2\u7167\u3059\u308b\u5834\u5408\u306f\u6ce8\u610f<\/strong><\/span>\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\u30e9\u30e0\u30c0\u5f0f\u306f\u5b9f\u88c5\u3057\u305f\u30af\u30e9\u30b9\u3092\u6301\u305f\u306a\u3044\u533f\u540d\u30af\u30e9\u30b9\u3068\u540c\u3058\u3067\u3059\u306e\u3067\u3001\u533f\u540d\u30af\u30e9\u30b9\u306e\u30b9\u30b3\u30fc\u30d7\u5916\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u5909\u6570\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u305d\u306e\u5909\u6570\u306ffinal\u3082\u3057\u304f\u306f\u5b9f\u8cea\u7684final<\/strong><\/span>\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u5024\u304c\u5909\u66f4\u3055\u308c\u308b\u3068\u77db\u76fe\u304c\u751f\u3058\u3066\u3057\u307e\u3046\u304b\u3089\u3067\u3059\u3002<\/p>\n
\u4e0b\u8a18\u306e\u4f8b\u306e\u3088\u3046\u306b\u30e9\u30e0\u30c0\u5f0f\u306e\u5185\u90e8\u3067\u306f\u5024\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059<\/strong><\/span>\u304c\u3001\u3053\u306e\u5024\u3092\u30e9\u30e0\u30c0\u5f0f\u306e\u5185\u90e8\u304a\u3088\u3073\u5916\u90e8\u3067\u5909\u66f4\u3059\u308b\u8a18\u8ff0\u306f\u3001\u3044\u305a\u308c\u3082\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u304c\u767a\u751f<\/strong><\/span>\u3057\u307e\u3059\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
interface InterfaceTest{\r\n    \/\/ \u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\r\n    public String method(String name);\r\n}\r\n\r\npublic class Main {\r\n \r\n    public static void main(String[] args) {\r\n        \/\/ final\u3092\u7701\u7565\u3067\u304d\u308b\u304c\u3001\u5b9f\u8cea\u7684\u306b\u306ffinal\r\n        int n = 8;\r\n        \/\/ \u30e9\u30e0\u30c0\u5f0f\u306e\u8a18\u8ff0 (\u5f15\u6570) -> {\u51e6\u7406};\r\n        InterfaceTest it =\r\n                name -> {\/\/ n = 10; \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\r\n                    return \"Hello \" + name + n + \"!\"; \/\/\u53c2\u7167\u306e\u5834\u5408\u306fOK\r\n                            };\r\n        System.out.println(it.method(\"Java\"));\r\n        \/\/ n = 10; \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\r\n    }\r\n \r\n}<\/pre>\n
\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
Hello Java8!<\/pre>\n
Java8\u306e\u65b0\u6a5f\u80fd\u307e\u3068\u3081<\/h2>\n
Java8\u3067\u306f\u30e9\u30e0\u30c0\u5f0f\u3084StreamAPI\u306e\u307b\u304b\u306b\u3082\u69d8\u3005\u306a\u6a5f\u80fd\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
Java8\u306e\u65b0\u6a5f\u80fd\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u305c\u3072\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n            \n                
\n                
\n                    
\n                    \n                    <\/div>\n                    
\n                    
Java8\u306e\u65b0\u6a5f\u80fd\u3092\u5fb9\u5e95\u89e3\u8aac\uff01(\u30e9\u30e0\u30c0\u5f0f\u3001Stream\u306a\u3069)<\/div>\n                    
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n
\u307e\u3068\u3081<\/h2>\n
\u3053\u3053\u3067\u306f\u3001Java8\u304b\u3089\u8ffd\u52a0\u306b\u306a\u3063\u305f\u30e9\u30e0\u30c0\u5f0f\u306b\u3064\u3044\u3066\u4f7f\u3044\u65b9\u3084\u4f7f\u3046\u4e0a\u3067\u306e\u6ce8\u610f\u70b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u30e9\u30e0\u30c0\u5f0f\u306e\u8a18\u8ff0\u69d8\u5f0f\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u624b\u77ed\u306b\u30b3\u30fc\u30c9\u3092\u66f8\u304f<\/strong><\/span>\u3053\u3068\u304c\u3067\u304d\u305f\u308a\u3001\u914d\u5217\u306a\u3069\u306e\u8981\u7d20\u306e\u96c6\u5408\u3092\u51e6\u7406\u3059\u308b\u5834\u5408\u306b\u300cStream API<\/strong><\/span>\u300d\u306a\u3069\u304c\u4f7f\u3048\u3066\u4fbf\u5229\u306a\u3053\u3068\u304c\u304a\u308f\u304b\u308a\u9802\u3051\u305f\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u4eca\u5f8c\u30e9\u30e0\u30c0\u5f0f\u3067\u8a18\u8ff0\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u898b\u304b\u3051\u308b\u3053\u3068\u3082\u591a\u304f\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u6163\u308c\u3066\u4f7f\u3044\u3053\u306a\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3053\u306e\u8a18\u4e8b\u3092\u4f55\u5ea6\u3082\u53c2\u8003\u306b\u3057\u3066\u4e0b\u3055\u3044\u306d\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
Java8\u304b\u3089\u30e9\u30e0\u30c0\u5f0f\u3068\u547c\u3070\u308c\u308b\u8a18\u8ff0\u65b9\u5f0f\u304c\u76db\u308a\u8fbc\u307e\u308c\u307e\u3057\u305f\u3002 \u30e9\u30e0\u30c0\u5f0f\u3092\u4f7f\u3046\u3068\u4f55\u304c\u4fbf\u5229\u306a\u306e\u304b\u3068\u8a00\u3046\u3068\u3001\u30e1\u30bd\u30c3\u30c9\u3092\u5909\u6570\u3068\u540c\u69d8\u306b\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u3001\u8a18\u8ff0\u3092\u7c21\u7565\u5316\u3067\u304d\u308b\u306e\u3067\u3059\u3002 \u3064\u307e\u308a\u3001\u8a18\u8ff0\u91cf\u304c\u6e1b\u3063\u3066\u30b7\u30f3\u30d7\u30eb\u306a\u8868\u8a18\u306b\u3067\u304d\u308b\u3053\u3068\u304c\u30e1 […]<\/p>\n","protected":false},"author":4,"featured_media":52712,"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":[67,1317],"class_list":["post-22337","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java-study","tag-java","tag-1317"],"acf":[],"yoast_head":"\n\u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API) | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0<\/title>\n<meta name=\"description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API) \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sejuku.net\/blog\/22337\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API) | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\" \/>\n<meta property=\"og:description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API) \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sejuku.net\/blog\/22337\" \/>\n<meta property=\"og:site_name\" content=\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/sejuku2013\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/sejuku2013\/\" \/>\n<meta property=\"article:published_time\" content=\"2017-05-01T13:22:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-06T02:41:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/image15.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/samuraijuku\" \/>\n<meta name=\"twitter:site\" content=\"@samuraijuku\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/22337#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/22337\"},\"author\":{\"name\":\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#\\\/schema\\\/person\\\/e8ca7fd09857a736a25e6b4455a3ab61\"},\"headline\":\"\u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API)\",\"datePublished\":\"2017-05-01T13:22:33+00:00\",\"dateModified\":\"2024-05-06T02:41:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/22337\"},\"wordCount\":119,\"publisher\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/22337#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/image15.jpg\",\"keywords\":[\"Java\",\"\u30e9\u30e0\u30c0\u5f0f\"],\"articleSection\":[\"Java\u5b66\u7fd2\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/22337\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/22337\",\"name\":\"\u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API) | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/22337#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/22337#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/image15.jpg\",\"datePublished\":\"2017-05-01T13:22:33+00:00\",\"dateModified\":\"2024-05-06T02:41:59+00:00\",\"description\":\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API) \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/22337#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/22337\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/22337#primaryimage\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/image15.jpg\",\"contentUrl\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/image15.jpg\",\"width\":700,\"height\":400},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/22337#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/\",\"name\":\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\",\"description\":\"\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5b66\u7fd2\u306e\u3059\u3079\u3066\u304c\u30b3\u30b3\u306b\u3002\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#organization\",\"name\":\"\u682a\u5f0f\u4f1a\u793eSAMURAI\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/07\\\/logo.png\",\"contentUrl\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/07\\\/logo.png\",\"width\":600,\"height\":600,\"caption\":\"\u682a\u5f0f\u4f1a\u793eSAMURAI\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/sejuku2013\",\"https:\\\/\\\/x.com\\\/samuraijuku\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCCFOQO5aDK0xXam4cUQXT8g\\\/featured\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#\\\/schema\\\/person\\\/e8ca7fd09857a736a25e6b4455a3ab61\",\"name\":\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g\",\"caption\":\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\"},\"description\":\"\u3010\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u3011 DX\u8a8d\u5b9a\u53d6\u5f97\u4e8b\u696d\u8005\u306b\u9078\u5b9a\u3055\u308c\u3066\u3044\u308b\u682a\u5f0f\u4f1a\u793eSAMURAI\u306e\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30fb\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u90e8\u304c\u904b\u55b6\u3002\u300c\u8cea\u306e\u9ad8\u3044IT\u6559\u80b2\u3092\u3001\u3059\u3079\u3066\u306e\u4eba\u306b\u300d\u3092\u30df\u30c3\u30b7\u30e7\u30f3\u306b\u3001IT\u30fb\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b66\u3073\u59cb\u3081\u305f\u521d\u5b66\u8005\u306e\u65b9\u306b\u5411\u3051\u8a18\u4e8b\u3092\u57f7\u7b46\u3002 \u7d2f\u8a08\u6307\u5c0e\u8005\u65704\u4e075,000\u540d\u4ee5\u4e0a\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u300c\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u300d\u3001\u7d2f\u8a08\u767b\u9332\u8005\u65701\u4e078,000\u4eba\u4ee5\u4e0a\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u5b66\u7fd2\u30b5\u30fc\u30d3\u30b9\u300c\u4f8d\u30c6\u30e9\u30b3\u30e4\u300d\u3067\u6271\u3046\u6559\u6750\u958b\u767a\u306e\u30ce\u30a6\u30cf\u30a6\u30012013\u5e74\u306e\u5275\u696d\u304b\u3089\u904b\u55b6\u3067\u5f97\u305f\u77e5\u898b\u306b\u57fa\u3065\u304d\u3001\u8a18\u4e8b\u306e\u57f7\u7b46\u3060\u3051\u3067\u306a\u304f\u7de8\u96c6\u30fb\u76e3\u4fee\u3082\u62c5\u5f53\u3057\u3066\u3044\u307e\u3059\u3002 \u3010\u5c02\u9580\u5206\u91ce\u3011 IT\\\/Web\u958b\u767a\\\/AI\u30fb\u30ed\u30dc\u30c3\u30c8\u958b\u767a\\\/\u30a4\u30f3\u30d5\u30e9\u958b\u767a\\\/\u30b2\u30fc\u30e0\u958b\u767a\\\/AI\\\/Web\u30c7\u30b6\u30a4\u30f3\",\"sameAs\":[\"https:\\\/\\\/www.sejuku.net\\\/\",\"https:\\\/\\\/www.facebook.com\\\/sejuku2013\\\/\",\"https:\\\/\\\/www.instagram.com\\\/samuraiengineer_official\\\/\",\"https:\\\/\\\/x.com\\\/https:\\\/\\\/twitter.com\\\/samuraijuku\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCCFOQO5aDK0xXam4cUQXT8g\"],\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/author\\\/samurai-blog\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API) | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","description":"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API) \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.sejuku.net\/blog\/22337","og_locale":"ja_JP","og_type":"article","og_title":"\u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API) | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","og_description":"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API) \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002","og_url":"https:\/\/www.sejuku.net\/blog\/22337","og_site_name":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","article_publisher":"https:\/\/www.facebook.com\/sejuku2013","article_author":"https:\/\/www.facebook.com\/sejuku2013\/","article_published_time":"2017-05-01T13:22:33+00:00","article_modified_time":"2024-05-06T02:41:59+00:00","og_image":[{"width":700,"height":400,"url":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/image15.jpg","type":"image\/jpeg"}],"author":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8","twitter_card":"summary_large_image","twitter_creator":"@https:\/\/twitter.com\/samuraijuku","twitter_site":"@samuraijuku","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.sejuku.net\/blog\/22337#article","isPartOf":{"@id":"https:\/\/www.sejuku.net\/blog\/22337"},"author":{"name":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8","@id":"https:\/\/www.sejuku.net\/blog\/#\/schema\/person\/e8ca7fd09857a736a25e6b4455a3ab61"},"headline":"\u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API)","datePublished":"2017-05-01T13:22:33+00:00","dateModified":"2024-05-06T02:41:59+00:00","mainEntityOfPage":{"@id":"https:\/\/www.sejuku.net\/blog\/22337"},"wordCount":119,"publisher":{"@id":"https:\/\/www.sejuku.net\/blog\/#organization"},"image":{"@id":"https:\/\/www.sejuku.net\/blog\/22337#primaryimage"},"thumbnailUrl":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/image15.jpg","keywords":["Java","\u30e9\u30e0\u30c0\u5f0f"],"articleSection":["Java\u5b66\u7fd2"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/www.sejuku.net\/blog\/22337","url":"https:\/\/www.sejuku.net\/blog\/22337","name":"\u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API) | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","isPartOf":{"@id":"https:\/\/www.sejuku.net\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.sejuku.net\/blog\/22337#primaryimage"},"image":{"@id":"https:\/\/www.sejuku.net\/blog\/22337#primaryimage"},"thumbnailUrl":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/image15.jpg","datePublished":"2017-05-01T13:22:33+00:00","dateModified":"2024-05-06T02:41:59+00:00","description":"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API) \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002","breadcrumb":{"@id":"https:\/\/www.sejuku.net\/blog\/22337#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.sejuku.net\/blog\/22337"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.sejuku.net\/blog\/22337#primaryimage","url":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/image15.jpg","contentUrl":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/05\/image15.jpg","width":700,"height":400},{"@type":"BreadcrumbList","@id":"https:\/\/www.sejuku.net\/blog\/22337#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.sejuku.net\/blog\/"},{"@type":"ListItem","position":2,"name":"\u3010Java\u5165\u9580\u3011Java8\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u4f7f\u3044\u65b9\u3068\u30e1\u30ea\u30c3\u30c8\u3068\u306f(Stream API)"}]},{"@type":"WebSite","@id":"https:\/\/www.sejuku.net\/blog\/#website","url":"https:\/\/www.sejuku.net\/blog\/","name":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","description":"\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5b66\u7fd2\u306e\u3059\u3079\u3066\u304c\u30b3\u30b3\u306b\u3002","publisher":{"@id":"https:\/\/www.sejuku.net\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.sejuku.net\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/www.sejuku.net\/blog\/#organization","name":"\u682a\u5f0f\u4f1a\u793eSAMURAI","url":"https:\/\/www.sejuku.net\/blog\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.sejuku.net\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2023\/07\/logo.png","contentUrl":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2023\/07\/logo.png","width":600,"height":600,"caption":"\u682a\u5f0f\u4f1a\u793eSAMURAI"},"image":{"@id":"https:\/\/www.sejuku.net\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/sejuku2013","https:\/\/x.com\/samuraijuku","https:\/\/www.youtube.com\/channel\/UCCFOQO5aDK0xXam4cUQXT8g\/featured"]},{"@type":"Person","@id":"https:\/\/www.sejuku.net\/blog\/#\/schema\/person\/e8ca7fd09857a736a25e6b4455a3ab61","name":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/secure.gravatar.com\/avatar\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g","caption":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8"},"description":"\u3010\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u3011 DX\u8a8d\u5b9a\u53d6\u5f97\u4e8b\u696d\u8005\u306b\u9078\u5b9a\u3055\u308c\u3066\u3044\u308b\u682a\u5f0f\u4f1a\u793eSAMURAI\u306e\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30fb\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u90e8\u304c\u904b\u55b6\u3002\u300c\u8cea\u306e\u9ad8\u3044IT\u6559\u80b2\u3092\u3001\u3059\u3079\u3066\u306e\u4eba\u306b\u300d\u3092\u30df\u30c3\u30b7\u30e7\u30f3\u306b\u3001IT\u30fb\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b66\u3073\u59cb\u3081\u305f\u521d\u5b66\u8005\u306e\u65b9\u306b\u5411\u3051\u8a18\u4e8b\u3092\u57f7\u7b46\u3002 \u7d2f\u8a08\u6307\u5c0e\u8005\u65704\u4e075,000\u540d\u4ee5\u4e0a\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u300c\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u300d\u3001\u7d2f\u8a08\u767b\u9332\u8005\u65701\u4e078,000\u4eba\u4ee5\u4e0a\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u5b66\u7fd2\u30b5\u30fc\u30d3\u30b9\u300c\u4f8d\u30c6\u30e9\u30b3\u30e4\u300d\u3067\u6271\u3046\u6559\u6750\u958b\u767a\u306e\u30ce\u30a6\u30cf\u30a6\u30012013\u5e74\u306e\u5275\u696d\u304b\u3089\u904b\u55b6\u3067\u5f97\u305f\u77e5\u898b\u306b\u57fa\u3065\u304d\u3001\u8a18\u4e8b\u306e\u57f7\u7b46\u3060\u3051\u3067\u306a\u304f\u7de8\u96c6\u30fb\u76e3\u4fee\u3082\u62c5\u5f53\u3057\u3066\u3044\u307e\u3059\u3002 \u3010\u5c02\u9580\u5206\u91ce\u3011 IT\/Web\u958b\u767a\/AI\u30fb\u30ed\u30dc\u30c3\u30c8\u958b\u767a\/\u30a4\u30f3\u30d5\u30e9\u958b\u767a\/\u30b2\u30fc\u30e0\u958b\u767a\/AI\/Web\u30c7\u30b6\u30a4\u30f3","sameAs":["https:\/\/www.sejuku.net\/","https:\/\/www.facebook.com\/sejuku2013\/","https:\/\/www.instagram.com\/samuraiengineer_official\/","https:\/\/x.com\/https:\/\/twitter.com\/samuraijuku","https:\/\/www.youtube.com\/channel\/UCCFOQO5aDK0xXam4cUQXT8g"],"url":"https:\/\/www.sejuku.net\/blog\/author\/samurai-blog"}]}},"_links":{"self":[{"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/posts\/22337","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/comments?post=22337"}],"version-history":[{"count":0,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/posts\/22337\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/media\/52712"}],"wp:attachment":[{"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/media?parent=22337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/categories?post=22337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/tags?post=22337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}