\r\npackage anniversary;\r\n\r\nimport java.time.Year;\r\n\r\npublic class Anniversary {\r\n \r\n public static Anniversary ANNIVERSARY = new Anniversary();\r\n private static int BIRTH_YEAR = Year.of(1995).getValue();\r\n private static int THIS_YEAR = Year.now().getValue();\r\n private final int age;\r\n \r\n private Anniversary(){\r\n age = THIS_YEAR - BIRTH_YEAR;\r\n }\r\n \r\n public int getAge(){\r\n return age;\r\n }\r\n\r\n public static void main(String... args) {\r\n System.out.println(\"The \" + ANNIVERSARY.getAge() + \"th Anniversarry!\");\r\n }\r\n \r\n}\r\n\r\n<\/pre>\n<\/p>\n
\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
The 0th Anniversarry!<\/p>\n
\u3053\u306e\u554f\u984c\u3092\u51fa\u984c\u3059\u308b\u524d\u306b static \u306e\u521d\u671f\u5316\u306e\u8aac\u660e\u304c\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n
\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u5168\u54e1\u4e0d\u6b63\u89e3\u3068\u3044\u3046\u7d50\u679c\u306b\u6afb\u5ead\u3055\u3093\u304c\u52d5\u63fa\u3057\u3066\u3044\u308b\u69d8\u5b50\u304c\u306a\u3093\u3068\u3082\u3044\u3048\u306a\u304b\u3063\u305f\u3002<\/p>\n
\u305d\u3046\u3044\u3046\u79c1\u3082\u554f\u984c\u3092\u898b\u305f\u3068\u304d\u306b\u300c\u30fb\u30fb\u30fb\u3093\u3093\uff1f\u300d\u3063\u3066\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
\u3060\u3063\u3066\u666e\u901a\u306a\u3089\u5909\u6570\uff08\u5b9a\u6570\uff09\u5ba3\u8a00\u306e\u524d\u306b\u305d\u308c\u3089\u3092\u4f7f\u3046\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\uff08\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u547c\u3073\u51fa\u3057\uff09\u306e\u30b3\u30fc\u30c9\u306a\u3093\u3066\u898b\u306a\u3044\u3082\u3093\u306d\u3002<\/p>\n
\u3053\u306e\u554f\u984c\u3092\u89e3\u304f\u306b\u3042\u305f\u3063\u3066\u7d20\u76f4\u306b The 20th Anniversarry! \u306f\u7121\u3044\u3068\u3059\u308b\u3002<\/p>\n
\u6b8b\u308a\u307f\u3063\u3064\u3002<\/p>\n
The 2015th Anniversarry! \u306f\u56db\u629e\u306b\u3059\u308b\u305f\u3081\u306b\u82e6\u3057\u7d1b\u308c\u306b\u9078\u629e\u80a2\u306b\u3042\u3052\u305f\u3082\u306e\u3002<\/p>\n
\u6b8b\u308a\u3075\u305f\u3064\u3002<\/p>\n
Exception \u3060\u3068\u3059\u308b\u3068\u4f55\u51e6\u3067\uff1f<\/p>\n
\u51fa\u308b\u3088\u3046\u306a\u3068\u3053\u308d\u306f\u898b\u5f53\u305f\u3089\u306a\u3044\u3002<\/p>\n
\u3088\u3063\u3066\u3001The 0th Anniversarry! \u304c\u7b54\u3048\u3068\u306a\u308b\u3002<\/p>\n
\u4f55\u6545\u304b\uff1f<\/p>\n
\u305d\u308c\u306f\u3055\u3063\u304d\u8aac\u660e\u306b\u3042\u3063\u305f static \u306e\u6027\u8cea\u3092\u5229\u7528\u3057\u305f\u3082\u306e\u3060\u3068\u63a8\u6e2c\u3055\u308c\u308b\u3002<\/p>\n
\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u9375\u3068\u306a\u308b\u306e\u306f static \u304f\u3089\u3044\u3057\u304b\u898b\u5f53\u305f\u3089\u306a\u3044\u3057\u306d\u3002<\/p>\n
\u3061\u306a\u307f\u306b\u3001\u306f\u3058\u3081\u5bfa\u7530\u4f73\u592e\u3055\u3093\u3082\u9593\u9055\u3048\u305f\u3089\u3057\u3044\u3067\u3059\u3002<\/em><\/p>\n
\u3053\u308c\u3001\u6700\u521d\u306b\u30af\u30a4\u30ba\u3060\u3068\u3044\u3063\u3066\u51fa\u984c\u3055\u308c\u3066\u3044\u305f\u304b\u3089\u89e3\u308b\u3051\u3069\u4f55\u6c17\u306b\u8aad\u3093\u3067\u5b9f\u884c\u3057\u305f\u3089\u300c\u306a\u3093\u3067\u3084\u306d\u3093\uff01\u300d\u3063\u3066\u306a\u3063\u3066\u3057\u307e\u3046\u81ea\u5206\u306e\u59ff\u304c\u76ee\u306b\u6d6e\u304b\u3073\u307e\u3059\u3002<\/em><\/p>\n
static \u306a\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u306f\u305f\u3068\u3048 final \u3067\u3042\u3063\u3066\u3082 null \u3068\u304b 0 \u306a\u3093\u304b\u3067\u521d\u671f\u5316\u3055\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\u89e3\u7b54\u306e\u8aac\u660e\u3067\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u306e\uff08\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u547c\u3073\u51fa\u3057\uff09\u30b3\u30fc\u30c9\u3092\u5909\u6570\uff08\u5b9a\u6570\uff09\u5ba3\u8a00\u306e\u5f8c\u306b\u3057\u3066\u3057\u307e\u3046\u306e\u304c\u89e3\u6c7a\u65b9\u6cd5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u306a\u3089\u3070\u3001\u79c1\u306f\u7121\u7406\u77e2\u7406\u9055\u3046\u5fc5\u8981\u306e\u7121\u3044\u65b9\u6cd5\u3067\u3002(^_^;)<\/p>\n
\u5b9a\u6570\u3068\u8a00\u3048\u3070 enum \u3067\u3059\u3088\u306d\u3002<\/p>\n
enum \u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304b\u3089\u306f <\/p>\n
public static final int HOGE = 1963;<\/p>\n
\u306a\u3093\u3066\u66f8\u304f\u306e\u306f\u30c0\u30b5\u3044\u3068\u304b\u8a00\u3044\u51fa\u3057\u3066\u3044\u305f\u4eba\u3082\u3044\u307e\u3057\u305f\u3002<\/p>\n
\u79c1\u306f\u305d\u3053\u307e\u3067\u601d\u308f\u306a\u304f\u3066\u9078\u629e\u80a2\u304c\u4e00\u3064\u5897\u3048\u305f\u306a\u3041\u3063\u3066\u304f\u3089\u3044\u3067\u3059\u3002<\/p>\n
\u3067\u3001\u3055\u3063\u304d\u306e\u30af\u30a4\u30ba\u3092 enum \u3092\u4f7f\u3046\u3068\u3053\u3046\u306a\u308b\u306e\u304b\u306a\uff1f<\/p>\n
\r\npackage anniversary;\r\n\r\nimport java.time.Year;\r\n\r\npublic class Anniversary {\r\n \r\n public static Anniversary ANNIVERSARY = new Anniversary();\r\n \r\n private enum YEAR{\r\n \r\n BIRTH_YEAR (Year.of(1995).getValue()),\r\n THIS_YEAR (Year.now().getValue());\r\n \r\n private final int value;\r\n\r\n private YEAR(int value) {\r\n this.value = value;\r\n }\r\n\r\n public int getValue() {\r\n return value;\r\n }\r\n \r\n }\r\n\r\n private final int age;\r\n\r\n private Anniversary(){\r\n age = YEAR.THIS_YEAR.getValue() - YEAR.BIRTH_YEAR.getValue();\r\n }\r\n \r\n public int getAge(){\r\n return age;\r\n }\r\n\r\n public static void main(String... args) {\r\n System.out.println(\"The \" + ANNIVERSARY.getAge() + \"th Anniversarry!\");\r\n }\r\n \r\n}\r\n\r\n<\/pre>\n<\/p>\n
\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
The 20th Anniversarry!<\/p>\n
\u521d\u671f\u5316\u306e\u5024\u3063\u3066 SJC-P \u30cd\u30bf\u3067\u3042\u3063\u305f\u3088\u3046\u306a\u30fb\u30fb\u30fb<\/p>\n
\u4eca\u65e5\u306e\u6559\u8a13\u3000static \u306f final \u3067\u3042\u3063\u3066\u3082\u8981\u6ce8\u610f\uff01<\/p>\n
Hatena \u30bf\u30b0: Java<\/a><\/div>\n
\n
$\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u8ffd\u52a0$ <\/a><\/div>\n
$Facebook \u306b\u30b7\u30a7\u30a2$ <\/a><\/div>\n
<\/g:plusone><\/div>\n
Tweet<\/a><\/div>\n <\/div>\n
\n","protected":false},"excerpt":{"rendered":"
\u3010\u521d\u5b66\u8005\u5411\u3051\u3011JJUG \u30ca\u30a4\u30c8\u30bb\u30df\u30ca \u300cJava\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3069\u3046\u3084\u3063\u3066\u52d5\u3044\u3066\u3044\u308b\u306e?\u300d\u304c\u6628\u6669\u958b\u50ac\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002 \u79c1\u306f\u4ed5\u4e8b\u306e\u90fd\u5408\u4e0a\u3001\u751f\u914d\u4fe1\u3092\u898b\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002 \u3046\u308c\u3057\u3044\u3053\u3068\u306b YouTube \u306b\u52d5\u753b\u304c\u30a2\u30c3\u30d7\u3055\u308c\u3066\u307e\u3057\u305f\u306e\u3067\u898b\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002 https:\/\/www.youtube.com\/watch?t=23&v=QNJBcrSayME \u4eca\u307e\u3067\u30cd\u30c3\u30c8\u4e0a\u3068\u304b\u96d1\u8a8c\u3067\u4ed5\u7d44\u307f\u304c\u89e3\u8aac\u3055\u308c\u305f\u8a18\u4e8b\u3092\u8aad\u3093\u3060\u3053\u3068\u306f\u3042\u308b\u306e\u3067\u3059\u304c\u3042\u307e\u308a\u826f\u304f\u7406\u89e3\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002 \u4eca\u56de\u306f\u521d\u5b66\u8005\u5411\u3051\u3068\u8a00\u3046\u3053\u3068\u3067\u975e\u5e38\u306b\u512a\u3057\u304f\u89e3\u8aac\u3055\u308c\u3001\u52d5\u753b\u3068\u3044\u3046\u3053\u3068\u3082\u3042\u308a\u5185\u5bb9\u7684\u306b\u3082\u9762\u767d\u304f\u697d\u3057\u3081\u305f\u306e\u304c\u826f\u304b\u3063\u305f\u3067\u3059\u3002 JVM \u304c\u30b9\u30bf\u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[17],"class_list":["post-1981","post","type-post","status-publish","format-standard","hentry","category-java","tag-java"],"_links":{"self":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1981","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1981"}],"version-history":[{"count":2,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1981\/revisions"}],"predecessor-version":[{"id":1984,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1981\/revisions\/1984"}],"wp:attachment":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1981"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}