{"id":29,"date":"2024-10-03T15:26:08","date_gmt":"2024-10-03T06:26:08","guid":{"rendered":"https:\/\/java.satoshis.jp\/?p=29"},"modified":"2024-10-17T02:29:06","modified_gmt":"2024-10-16T17:29:06","slug":"java%e3%81%ae%e5%9f%ba%e6%9c%ac%e6%96%87%e6%b3%95","status":"publish","type":"post","link":"https:\/\/java.satoshis.jp\/?p=29","title":{"rendered":"Java\u306e\u57fa\u672c\u6587\u6cd5"},"content":{"rendered":"

Java\u306e\u57fa\u672c\u7684\u306a\u6587\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

Java\u306e\u7e70\u308a\u8fd4\u3057\u51e6\u7406<\/h4>\n

\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306b\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u8ffd\u52a0\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

\r\npublic class App {\r\n    public static void main(String[] args) throws Exception {\r\n        for (int i = 0; i < 10; i++) {\r\n            System.out.println(i);\r\n        }\r\n        System.out.println("Hello, World!");\r\n    }\r\n}\r\n<\/pre>\n
\u5358\u7d14\u306a\u6570\u5024\u3067\u306f\u306a\u304f\u3001\u914d\u5217\u306b\u5bfe\u3059\u308b\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u4f8b\u3002<\/p>\n
\r\npublic class App {\r\n    public static void main(String[] args) throws Exception {\r\n        int array[] = {10, 20, 30, 40, 50};\r\n        for (int i = 0; i < array.length; i++) {\r\n            System.out.println(i + ":" + array[i]);\r\n        }\r\n        System.out.println("Hello, World!");\r\n    }\r\n}\r\n<\/pre>\n
\u62e1\u5f35for\u6587\u3067\u914d\u5217\u306b\u5bfe\u3059\u308b\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u5b9f\u884c\u3002<\/p>\n
\r\npublic class App {\r\n    public static void main(String[] args) throws Exception {\r\n        int array[] = {10, 20, 30, 40, 50};\r\n        for (int i: array) {\r\n            System.out.println(i);\r\n        }\r\n        System.out.println("Hello, World!");\r\n    }\r\n}\r\n<\/pre>\n
int\u578b\u914d\u5217\u3092\u3001String\u578b\u914d\u5217\u306b\u5909\u66f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\r\npublic class App {\r\n    public static void main(String[] args) throws Exception {\r\n        String array[] = {"Chrome", "Firefox", "Edge", "IE", "Opera"};\r\n\r\n        for (String s: array) {\r\n            System.out.println(s);\r\n        }\r\n        System.out.println("Hello, World!");\r\n    }\r\n}\r\n<\/pre>\n
\u914d\u5217\u3092List\u306b\u5909\u63db\u3057\u3066\u5b9f\u884c\u3057\u3066\u307f\u308b\u3002<\/p>\n
\r\nimport java.util.Arrays;\r\nimport java.util.List;\r\n\r\npublic class App {\r\n    public static void main(String[] args) throws Exception {\r\n        String array[] = {"Chrome", "Firefox", "Edge", "IE", "Opera"};\r\n        List<String> list = Arrays.asList(array);\r\n        for (String s: list) {\r\n            System.out.println(s);\r\n        }\r\n        System.out.println("Hello, World!");\r\n    }\r\n}\r\n<\/pre>\n
\u5206\u5c90\u51e6\u7406<\/h4>\n
\u5076\u6570\u3068\u5947\u6570\u306b\u5206\u3051\u3066\u8868\u793a\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3002<\/p>\n
\r\npublic class App {\r\n    public static void main(String[] args) throws Exception {\r\n        for (int i = 1; i < 10; i++) {\r\n            if (i % 2 == 0) {\r\n                System.out.println(i + "\u306f\u5076\u6570\u3067\u3059");\r\n            } else {\r\n                System.out.println(i + "\u306f\u5947\u6570\u3067\u3059");\r\n            }\r\n        }\r\n    }\r\n}\r\n<\/pre>\n
switch\u3092\u4f7f\u3063\u305f\u5206\u5c90\u51e6\u7406\u3002<\/p>\n
\r\npublic class App {\r\n    public static void main(String[] args) throws Exception {\r\n        for (int i = 1; i <= 12; i++) {\r\n            switch(i) {\r\n                case 1:\r\n                System.out.println("\u51ac");\r\n                break;\r\n                case 2:\r\n                System.out.println("\u51ac");\r\n                break;\r\n                case 3:\r\n                System.out.println("\u6625");\r\n                break;\r\n                case 4:\r\n                System.out.println("\u6625");\r\n                break;\r\n                case 5:\r\n                System.out.println("\u6625");\r\n                break;\r\n                case 6:\r\n                System.out.println("\u590f");\r\n                break;\r\n                case 7:\r\n                System.out.println("\u590f");\r\n                break;\r\n                case 8:\r\n                System.out.println("\u590f");\r\n                break;\r\n                case 9:\r\n                System.out.println("\u79cb");\r\n                break;\r\n                case 10:\r\n                System.out.println("\u79cb");\r\n                break;\r\n                case 11:\r\n                System.out.println("\u79cb");\r\n                break;\r\n                case 12:\r\n                System.out.println("\u51ac");\r\n                break;\r\n            }\r\n        }\r\n    }\r\n}\r\n<\/pre>\n
\u914d\u5217<\/h4>\n
\u6700\u521d\u306b\u7a7a\u306e\u914d\u5217\u3092\u751f\u6210\u3057\u3066\u3001\u5f8c\u3067\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3002<\/p>\n
\r\npublic class Array {\r\n  public static void main(String[] args) {\r\n    int[] array = new int[10];\r\n    for (int i = 0; i < array.length; i++) {\r\n      array[i] = i * i;\r\n    }\r\n    for (int i = 0; i < array.length; i++) {\r\n      System.out.println("array[" + i + "]=" + array[i]);\r\n    }\r\n  }\r\n}\r\n<\/pre>\n
\u4e0a\u8a18\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3001\u6a19\u6e96\u51fa\u529b\u306b\u51fa\u529b\u3057\u3066\u3044\u308b\u6587\u5b57\u3092\u3001\u3044\u3063\u305f\u3093String\u914d\u5217\u306b\u4ee3\u5165\u3059\u308b\u3088\u3046\u306b\u4fee\u6b63\u3059\u308b\u3002<\/p>\n
\r\npublic class Array {\r\n  public static void main(String[] args) {\r\n    int[] array = new int[10];\r\n    String[] sarray = new String[10];\r\n    for (int i = 0; i < array.length; i++) {\r\n      array[i] = i * i;\r\n    }\r\n    for (int i = 0; i < array.length; i++) {\r\n      sarray[i] = "array[" + i + "]=" + array[i];\r\n    }\r\n    for (int i = 0; i < sarray.length; i++) {\r\n      System.out.println(sarray[i]);\r\n    }\r\n  }\r\n}\r\n<\/pre>\n
\u4f8b\u5916\u51e6\u7406<\/h4>\n
Java\u306b\u306f\u4f8b\u5916\u51e6\u7406\u3068\u3044\u3046\u4ed5\u7d44\u307f\u304c\u3042\u308a\u307e\u3059\u3002
\n\u30d7\u30ed\u30b0\u30e9\u30e0\u7684\u306b\u554f\u984c\u3042\u3063\u305f\u5834\u5408\u306b\u3001\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3059\u3002
\n\u4f8b\u3048\u3070\u30010\u3067\u5272\u308a\u7b97\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u305d\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3059\u3002
\n\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u305d\u3053\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u304c\u4e2d\u65ad\u3055\u308c\u307e\u3059\u3002<\/p>\n
\r\npublic class App {\r\n    public static void main(String[] args) throws Exception {\r\n        int v = 1;\r\n        v = v \/ 0;\r\n    }\r\n}\r\n<\/pre>\n
\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u3092\u4e2d\u65ad\u3055\u305b\u306a\u3044\u305f\u3081\u306b\u306f\u3001try-catch\u7bc0\u3067\u4f8b\u5916\u3092\u6355\u6349\u3057\u307e\u3059\u3002<\/p>\n
\r\npublic class App {\r\n    public static void main(String[] args) throws Exception {\r\n        int v = 1;\r\n        try {\r\n            v = v \/ 0;\r\n        } catch (Exception e) {\r\n            System.out.println("\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002");\r\n        }\r\n    }\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
Java\u306e\u57fa\u672c\u7684\u306a\u6587\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002 Java\u306e\u7e70\u308a\u8fd4\u3057\u51e6\u7406 \u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306b\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u8ffd\u52a0\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002 public class App { public static void main(S … <\/p>\n","protected":false},"author":1,"featured_media":59,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[11,13,12],"class_list":["post-29","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","tag-java","tag-juni","tag-vscode"],"_links":{"self":[{"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/29","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=29"}],"version-history":[{"count":13,"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/29\/revisions"}],"predecessor-version":[{"id":51,"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/29\/revisions\/51"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=\/wp\/v2\/media\/59"}],"wp:attachment":[{"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=29"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}