{"id":2147,"date":"2020-01-15T03:47:52","date_gmt":"2020-01-14T18:47:52","guid":{"rendered":"https:\/\/www.climb.co.jp\/blog_espress\/?p=2147"},"modified":"2020-03-03T22:19:13","modified_gmt":"2020-03-03T13:19:13","slug":"%e3%81%82%e3%81%aejava%e3%81%af%e4%bb%8a%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.climb.co.jp\/blog_espress\/archives\/2147","title":{"rendered":"\u3042\u306eJava\u306f\u4eca\uff1f"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.climb.co.jp\/blog_espress\/wp-content\/uploads\/2020\/03\/AdobeStock_297078136Prog10.jpg\" alt=\"\" class=\"wp-image-2166\" width=\"640\" height=\"360\" srcset=\"https:\/\/www.climb.co.jp\/blog_espress\/wp-content\/uploads\/2020\/03\/AdobeStock_297078136Prog10.jpg 700w, https:\/\/www.climb.co.jp\/blog_espress\/wp-content\/uploads\/2020\/03\/AdobeStock_297078136Prog10-300x169.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p>\u300c\u3042\u306e\u4eba\u306f\u4eca\uff1f\u300d\u307f\u305f\u3044\u306bJava\u306e\u3053\u3068\u3092\u8a00\u3046\u306e\u306f\u5931\u793c\u3067\u3059\u3088\u306d\u3002\u4eca\u3082\u7b2c\u4e00\u7dda\u3067\u6d3b\u8e8d\u3057\u3066\u3044\u308b\u4eba\u306f\u300c\u3042\u306e\u4eba\u306f\u4eca\uff1f\u300d\u306e\u5bfe\u8c61\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3089\u3002<\/p>\n<p>\u3067\u3082\u3001\u7b2c\u4e00\u7dda\u306e\u821e\u53f0\u304c\u9055\u3046\u3060\u3051\u3067\u3001\u300c\u3042\u306e\u4eba\u306f\u4eca\uff1f\u300d\u306e\u5bfe\u8c61\u8005\u3082\u5b9f\u969b\u306b\u306f\u5909\u308f\u3089\u305a\u6d3b\u8e8d\u3057\u3066\u3044\u308b\u308f\u3051\u3060\u304b\u3089\u3001\u305f\u3068\u3048\u3070COBOL\u3042\u305f\u308a\u3060\u3063\u305f\u3089\u3001\u300c\u3042\u306eCOBOL\u306f\u4eca\uff1f\u300d\u3068\u8a00\u3046\u306e\u306b\u3075\u3055\u308f\u3057\u3044\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u8868\u821e\u53f0\u304b\u3089\u306f\u6d88\u3048\u305f\u3088\u3046\u306b\u898b\u3048\u3066\u3001\u5b9f\u306fCOBOL\u3082\u73fe\u5f79\u3067\u6d3b\u8e8d\u3057\u3066\u307e\u3059\u304b\u3089\u3002<\/p>\n<p>Java\u306f\u307e\u3060\u5b8c\u5168\u306b\u8868\u821e\u53f0\u3001\u305d\u308c\u3082\u821e\u53f0\u306e\u4e2d\u592e\u306b\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001TIOBE\u6307\u6a19\u3068\u3044\u3046\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306e\u4eba\u6c17\u30e9\u30f3\u30ad\u30f3\u30b0\u3067\u306f\u6628\u5e74\u30821\u4f4d\u3067\u3001\u3053\u308c\u307e\u30673\u4f4d\u4ee5\u4e0b\u306b\u843d\u3061\u305f\u3053\u3068\u304c\u4e00\u5ea6\u3082\u306a\u3044\u3089\u3057\u3044\u3067\u3059\u3002<\/p>\n<p>1995\u5e74\u306e\u8a95\u751f\u4ee5\u6765\u305a\u3063\u3068\u8868\u821e\u53f0\u306e\u4e2d\u592e\u3067\u6d3b\u8e8d\u3057\u7d9a\u3051\u3066\u3044\u308b\u4e3b\u306a\u7406\u7531\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u8003\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3067\u8907\u6570\u306e\u30d9\u30f3\u30c0\u30fc\u3068\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u7d9a\u3051\u3066\u304d\u305f\u304b\u3089\uff08\u305f\u3068\u3048\u3070\u3001\u30b5\u30f3\u30de\u30a4\u30af\u30ed\u30b7\u30b9\u30c6\u30e0\u30ba\u304c\u5358\u72ec\u3067\u30b5\u30dd\u30fc\u30c8\u3057\u7d9a\u3051\u3066\u3044\u305f\u3089\u3001\u3053\u3053\u307e\u3067\u9577\u7d9a\u304d\u306f\u4e0d\u53ef\u80fd\u3060\u3063\u305f\u3067\u3057\u3087\u3046\u3002\u696d\u754c\u5168\u4f53\u3067\u652f\u3048\u308b\u4f53\u5236\u304c\u3001\u30cb\u30fc\u30ba\u306e\u79fb\u308a\u5909\u308f\u308a\u306b\u5408\u308f\u305b\u305f\u767a\u5c55\u3092\u53ef\u80fd\u306b\u3057\u307e\u3057\u305f\uff09<\/li>\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u306b\u6700\u9069\u306a\u8a2d\u8a08\u3067\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u74b0\u5883\u306b\u4f9d\u5b58\u305b\u305a\u306b\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u306b\u9069\u3057\u3066\u3044\u305f\u304b\u3089<\/li>\n<li>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u767a\u9054\uff08\u9ad8\u901f\u5316\u3068\u4f4e\u5ec9\u5316\uff09\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u767a\u9054\u304cJava\u3068\u540c\u6642\u4ee3\u306b\u9032\u884c\u3057\u305f\u304b\u3089<\/li>\n<li>\u5e83\u7bc4\u306b\u53d7\u3051\u5165\u308c\u3089\u308c\u3066\u5b9a\u7740\u3057\u305f\u6280\u8853\u306f\u3001\u305d\u3046\u7c21\u5358\u306b\u306f\u63db\u3048\u3089\u308c\u306a\u3044\u304b\u3089\uff08\u30d9\u30f3\u30c0\u30fc\u306f\u5e38\u306b\u65b0\u3057\u3044\u6280\u8853\u3092\u76ee\u6307\u3057\u307e\u3059\u304c\u3001\u751f\u7523\u73fe\u5834\u304c\u305d\u308c\u306b\u8ffd\u3044\u3064\u304f\u306b\u306f\u76f8\u5f53\u306a\u5e74\u6570\u304c\u304b\u304b\u308a\u307e\u3059\uff09<\/li>\n<\/ol>\n<p>\u7406\u75312\u3068\u7406\u75313\u306f\u3060\u3044\u305f\u3044\u540c\u3058\u3053\u3068\u3092\u6307\u3057\u3066\u3044\u3066\u3001\u8981\u3059\u308b\u306b\u300e\u6642\u4ee3\u306b\u30de\u30c3\u30c1\u3057\u305f\u300f\u306e\u3072\u3068\u8a00\u304c\u3001\u3053\u308c\u307e\u3067Java\u304c25\u5e74\u9593\u6b69\u3093\u3067\u304d\u305f\u83ef\u3005\u3057\u3044\u9053\u306e\u308a\u3092\u5982\u5b9f\u306b\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001Java\u304c\u4eca\u3001\u5c90\u8def\u306b\u7acb\u305f\u3055\u308c\u3066\u3044\u308b\u306e\u3082\u4e8b\u5b9f\u3067\u3059\u3002TIOBE\u306e\u4eba\u6c17\u30e9\u30f3\u30ad\u30f3\u30b0\u3067\u306f1\u4f4d\u3067\u3082\u3001\u305f\u3068\u3048\u3070\u300c\u5c31\u8077\u6d3b\u52d5\u3092\u3059\u308b\u4eba\u304c\u6301\u3063\u3066\u3044\u308b\u3068\u6709\u5229\u306a\u6280\u8853\u300d\u3068\u306a\u308b\u3068\u3001\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002\u6c7a\u3057\u3066\u30c0\u30f3\u30c8\u30c4\u3068\u306f\u8a00\u3048\u306a\u3044\u3088\u3046\u3067\u3059\u3002\u4eca\u306e\u82e5\u8005\u306b\u3068\u3063\u3066\u306eJava\u306f\u3001Java\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u304c\u5f15\u304f\u624b\u3042\u307e\u305f\u3060\u3063\u305f\u9803\u306eCOBOL\u306e\u3088\u3046\u3060\u3068\u63f6\u63c4\u3059\u308b\u30cd\u30c3\u30c8\u8a18\u4e8b\u3082\u898b\u304b\u3051\u307e\u3057\u305f\uff08\u7c73\u56fd\u306e\u4e8b\u60c5\u3067\u3059\uff09\u3002<\/p>\n<p>\u30cd\u30c3\u30c8\u691c\u7d22\u3067\u201cJava still\u201d\u3068\u5165\u529b\u3059\u308b\u3068\u3001Is Java still relevant?\uff08Java\u306f\u307e\u3060\u9069\u7528\u6027\u304c\u3042\u308b\u306e\u304b\uff1f\uff09\u3068\u304bIs Java still worth learning?\uff08\u307e\u3060\u5b66\u3076\u4fa1\u5024\u304c\u3042\u308b\u306e\u304b\uff1f\uff09\u306a\u3069\u306e\u898b\u51fa\u3057\u304c\u4e0a\u4f4d\u306b\u30d2\u30c3\u30c8\u3057\u3001How dead is Java?\uff08\u3069\u306e\u3050\u3089\u3044\u6b7b\u3093\u3060\u306e\u304b\uff1f\uff09\u3068\u3044\u3046\u8a18\u4e8b\u307e\u3067\u3042\u308a\u307e\u3059\u3002\u3044\u3061\u3044\u3061\u4e2d\u8eab\u3092\u8aad\u3093\u3067\u306a\u3044\u306e\u3067\u3001\u5185\u5bb9\u306f\u300c\u5b9f\u306f\u305d\u3046\u3067\u3082\u306a\u3044\u3093\u3060\u3088\u300d\u7684\u306a\u3001\u6ce8\u76ee\u3092\u5f15\u304f\u305f\u3081\u306e\u53cd\u8a9e\u30bf\u30a4\u30c8\u30eb\u306e\u53ef\u80fd\u6027\u3082\u5341\u5206\u3042\u308a\u307e\u3059\uff08\u73fe\u306b\u4eca\u66f8\u3044\u3066\u3044\u308b\u3053\u306e\u8a18\u4e8b\u3082\u305d\u306e\u985e\u3063\u3061\u3083\u3042\u305d\u306e\u985e\u3067\u3059\u30fb\u30fb\u30fb\uff09\u3002<\/p>\n<p>\u738b\u5ea7\u306b\u541b\u81e8\u3057\u7d9a\u3051\u3066\u3044\u308b\u306f\u305a\u306e\u30ad\u30f3\u30b0Java\u304c\u3001\u305d\u3093\u306a\u8a00\u308f\u308c\u3088\u3046\u3092\u3057\u3066\u3057\u307e\u3046\u7406\u7531\u306f\u3001\u30af\u30e9\u30a6\u30c9 \u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u6f6e\u6d41\u304c\u5927\u304d\u3044\u3067\u3059\u3002Java\u306f\u3001\u5f37\u529b\u306a\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u8c4a\u5bcc\u306a\u30e1\u30e2\u30ea\u30fc\u3092\u64c1\u3059\u308b\u74b0\u5883\u3067JVM\u3092\u5e38\u6642\u7a3c\u50cd\u3057\u7d9a\u3051\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u30d3\u30b8\u30cd\u30b9 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u6a5f\u80fd\u3055\u305b\u307e\u3059\u3002JVM\u306b\u306f\u3001\u7a3c\u50cd\u3057\u7d9a\u3051\u305f\u307e\u307e\u6700\u9069\u5316\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u66f4\u65b0\u3084\u30b3\u30f3\u30d5\u30a3\u30ae\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u5909\u66f4\u3082\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u306b\u53cd\u6620\u3055\u305b\u308b\u6a5f\u80fd\u304c\u5099\u308f\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u306fJava\u304c\u9577\u5e74\u6d3b\u8e8d\u3057\u7d9a\u3051\u308b\u3046\u3048\u3067\u3001\u6642\u4ee3\u306b\u5408\u308f\u305b\u3066\u767a\u5c55\u3057\u3066\u304d\u305f\u6210\u679c\u3067\u3082\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u30af\u30e9\u30a6\u30c9 \u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u6642\u4ee3\u306b\u306f\u5408\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u30cd\u30a4\u30c6\u30a3\u30d6\u3058\u3083\u306a\u3044\u304b\u3089\u30c0\u30e1\u306a\u3093\u3066\u3001\u30ec\u30b8\u30a7\u30f3\u30c9\u306b\u5bfe\u3059\u308b\u30ea\u30b9\u30da\u30af\u30c8\u304c\u8db3\u308a\u306a\u3044\u6c17\u304c\u3057\u307e\u3059\u304c\u3001\u30d7\u30ed\u306e\u4e16\u754c\u306f\u7518\u304f\u306a\u3044\u3067\u3059\u3002\u3068\u3082\u306b\u95d8\u3063\u3066\u304d\u305f\u30ef\u30f3\u30c1\u30fc\u30e0\u306a\u306e\u306b\u30fb\u30fb\u30fb<\/p>\n<p>\u306f\u306a\u3057\u3092IT\u74b0\u5883\u306b\u623b\u3059\u3068\u3001\u30d3\u30b8\u30cd\u30b9 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u3067\u30b3\u30f3\u30c6\u30ca\u5316\u3057\u305f\u5834\u5408\u3001\u30b5\u30fc\u30d3\u30b9\u306b\u66f4\u65b0\u304c\u3042\u308c\u3070\u30b3\u30f3\u30c6\u30ca \u30a4\u30e1\u30fc\u30b8\u304c\u6700\u65b0\u60c5\u5831\u306b\u3082\u3068\u3065\u3044\u3066\u518d\u751f\u3055\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001Kubernetes\u304c\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5ec3\u68c4\u3057\u3066\u3001\u305d\u306e\u90fd\u5ea6\u3001\u65b0\u3057\u3044Pod\u3092\u8d77\u52d5\u3059\u308b\uff08\u3057\u304b\u3082\u3001\u305d\u308c\u304c\u3057\u3087\u3063\u3061\u3085\u3046\u884c\u308f\u308c\u308b\uff09\u74b0\u5883\u3067\u306f\u3001Java\u306e\u91cd\u3055\u304c\u5927\u304d\u306a\u8db3\u67b7\u306b\u306a\u308b\u3057\u3001\u305b\u3063\u304b\u304f\u306e\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u306a\u7279\u6027\u3082\u53f0\u7121\u3057\u3067\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u305d\u3093\u306a\u30af\u30e9\u30a6\u30c9 \u30cd\u30a4\u30c6\u30a3\u30d6\u3068\u306f\u76f8\u5bb9\u308c\u306a\u3044Java\u3092\u8efd\u91cf\u5316\u3057\u3001Kubernetes\u306b\u3088\u3063\u3066\u7e70\u308a\u8fd4\u3055\u308c\u308b\u518d\u8d77\u52d5\u306b\u3082\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u8a66\u307f\u3082\u7740\u3005\u3068\u9032\u884c\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001Red Hat\u306e<a href=\"https:\/\/developers.redhat.com\/blog\/2019\/03\/07\/quarkus-next-generation-kubernetes-native-java-framework\/\" target=\"_blank\" rel=\"noopener noreferrer\">Quarkus<\/a>\u304c\u305d\u308c\u3067\u3059\u3002<\/p>\n<p>\u8981\u3059\u308b\u306b\u3001Java\u304c25\u5e74\u9593\u3082\u7b2c\u4e00\u7dda\u3067\u6d3b\u8e8d\u3057\u3066\u304d\u305f\u5b9f\u7e3e\u306f\u4f0a\u9054\u3058\u3083\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u306a\u305c\u6d3b\u8e8d\u3057\u7d9a\u3051\u3089\u308c\u305f\u304b\u306e\u7406\u7531\u3092\u3082\u3046\u4e00\u5ea6\u898b\u306a\u304a\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u5e02\u5834\u52d5\u5411\u306f\u3054\u304f\u81ea\u7136\u306b\u4ee5\u4e0b\u306e\u30b5\u30a4\u30af\u30eb\u3092\u305f\u3069\u3063\u3066\u3082\u4f55\u3089\u4e0d\u601d\u8b70\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3000\u3000\u3000\u00a0 \u73fe\u5834\u306f\u3001\u3059\u3067\u306b\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u306b\u5b9a\u7740\u3057\u3066\u3044\u308bJava\u3092\u7c21\u5358\u306b\u6368\u3066\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044<\/p>\n<p><strong>\u3000\u3000\u2192<\/strong>\u00a0 \u305d\u308c\u3092\u6642\u4ee3\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u30b5\u30dd\u30fc\u30c8\u3059\u308c\u3070\u5132\u304b\u308b\u306f\u305a<\/p>\n<p><strong>\u3000\u3000\u2192\u00a0<\/strong> Java\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u8907\u6570\u30d9\u30f3\u30c0\u30fc\u304c\u3053\u305e\u3063\u3066Java\u3092\u9032\u5316\u3055\u305b\u308b<\/p>\n<p><strong>\u3000\u3000\u2192<\/strong>\u00a0 \u73fe\u5834\u306f\u3084\u306f\u308aJava\u3092\u6368\u3066\u308b\u3053\u3068\u306a\u3093\u3066\u3067\u304d\u306a\u3044<\/p>\n<p>\u3053\u306e\u7d4c\u6e08\u306e\u5faa\u74b0\u304cJava\u3092\u3055\u3089\u306b\u9577\u751f\u304d\u3055\u305b\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u3082\u306f\u3084\u3001\u795e\u306e\u898b\u3048\u3056\u308b\u624b\u304cJava\u3092\u5b88\u3063\u3066\u3044\u308b\u3068\u3055\u3048\u8a00\u3063\u3066\u3082\u904e\u8a00\u3067\u306f\u306a\u3044\u3001\u304b\u306a\u30fb\u30fb\u30fb<\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u300c\u3042\u306e\u4eba\u306f\u4eca\uff1f\u300d\u307f\u305f\u3044\u306bJava\u306e\u3053\u3068\u3092\u8a00\u3046\u306e\u306f\u5931\u793c\u3067\u3059\u3088\u306d\u3002\u4eca\u3082\u7b2c\u4e00\u7dda\u3067\u6d3b\u8e8d\u3057 &hellip; <a href=\"https:\/\/www.climb.co.jp\/blog_espress\/archives\/2147\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[101,140],"tags":[141,142,143],"class_list":["post-2147","post","type-post","status-publish","format-standard","hentry","category-101","category-java","tag-quarkus","tag-kubernetes","tag-java"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u300c\u3042\u306e\u4eba\u306f\u4eca\uff1f\u300d\u307f\u305f\u3044\u306bJava\u306e\u3053\u3068\u3092\u8a00\u3046\u306e\u306f\u5931\u793c\u3067\u3059\u3088\u306d\u3002\u4eca\u3082\u7b2c\u4e00\u7dda\u3067\u6d3b\u8e8d\u3057\u3066\u3044\u308b\u4eba\u306f\u300c\u3042\u306e\u4eba\u306f\u4eca\uff1f\u300d\u306e\u5bfe\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta 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