{"id":6178,"date":"2025-12-10T13:25:49","date_gmt":"2025-12-10T04:25:49","guid":{"rendered":"https:\/\/www.bold.ne.jp\/engineer-club\/?p=6178"},"modified":"2025-12-10T13:25:11","modified_gmt":"2025-12-10T04:25:11","slug":"java-if-statements%e3%80%81asic-syntax-to-building-condition-expressions","status":"publish","type":"post","link":"https:\/\/www.bold.ne.jp\/engineer-club\/java-if-statements%e3%80%81asic-syntax-to-building-condition-expressions","title":{"rendered":"Java\u306eif\u6587\u306e\u4f7f\u3044\u65b9\u2015\u57fa\u672c\u69cb\u6587\u304b\u3089\u6761\u4ef6\u5f0f\u306e\u4f5c\u308a\u65b9\u3001else\u6587\u307e\u3067"},"content":{"rendered":"<p>Java\u306e\u69cb\u6587\u306e\u4e00\u3064\u306b\u300cif\u6587\u300d\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\nif\u6587\u306f\u51e6\u7406\u306e\u5206\u5c90\u3092\u6271\u3046\u969b\u306b\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001if\u6587\u306e\u57fa\u672c\u3092\u4f8b\u6587\u3092\u4ea4\u3048\u3066\u8a18\u8f09\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#Javaif\">\uff11\uff0eJava\u306eif\u6587\u306e\u57fa\u672c\u69cb\u6587<\/a><\/li><li><a href=\"#i\">\uff12\uff0e\u6761\u4ef6\u5f0f\u306e\u4f5c\u308a\u65b9<\/a><ul><li><a href=\"#-booleantruefalseltgtltgt\">\uff12-\uff11\uff0eboolean\u578b\uff08true\u3001false\uff09\u3068\u6bd4\u8f03\u6f14\u7b97\u5b50\uff08==\u3001&lt;\u3001&gt;\u3001&lt;=\u3001&gt;=\u3001!=\uff09\u306b\u3064\u3044\u3066<\/a><\/li><li><a href=\"#i-2\">\uff12-\uff12\uff0e\u8ad6\u7406\u6f14\u7b97\u5b50\uff08!\u3001&amp;&amp;\u3001||\uff09\u306b\u3064\u3044\u3066<\/a><\/li><\/ul><\/li><li><a href=\"#else\">\uff13\uff0eelse\u6587\u306e\u4f7f\u3044\u65b9<\/a><\/li><li><a href=\"#else_if\">\uff14\uff0eelse if\u6587\u306e\u4f7f\u3044\u65b9<\/a><\/li><li><a href=\"#switch\">\uff15\uff0e\uff08\u88dc\u8db3\uff09switch\u6587\u306b\u3064\u3044\u3066<\/a><\/li><li><a href=\"#i-3\">\uff16\uff0e\u3055\u3044\u3054\u306b<\/a><\/li><\/ul><\/div>\n<h2><span id=\"Javaif\">\uff11\uff0eJava\u306eif\u6587\u306e\u57fa\u672c\u69cb\u6587<\/span><\/h2>\n<p>Java\u306eif\u6587\u3067\u306f\u6761\u4ef6\u5f0f\u3092\u4f7f\u7528\u3057\u307e\u3059\uff08\u6761\u4ef6\u5f0f\u306b\u3064\u3044\u3066\u306f\u6b21\u306e\u7bc0\u3067\u89e3\u8aac\u3057\u307e\u3059\uff09\u3002<br \/>\n\u6761\u4ef6\u5f0f\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059(\u5024\u304ctrue)\u306e\u5834\u5408\u306bif\u6587\u306e\u4e2d\u306e\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30da\u30fc\u30b8\u306e\u4f8b\u6587\u3067\u306f\u57fa\u672c\u7684\u306b\u51e6\u7406\u306f1\u3064\u3067\u3059\u304c\u3001\u3044\u304f\u3064\u3082\u8a18\u8f09\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>If(\u6761\u4ef6\u5f0f){<br \/>\n\u3000\u51e6\u7406<br \/>\n}<\/p>\n<h2><span id=\"i\">\uff12\uff0e\u6761\u4ef6\u5f0f\u306e\u4f5c\u308a\u65b9<\/span><\/h2>\n<h3><span id=\"-booleantruefalseltgtltgt\">\uff12-\uff11\uff0eboolean\u578b\uff08true\u3001false\uff09\u3068\u6bd4\u8f03\u6f14\u7b97\u5b50\uff08==\u3001&lt;\u3001&gt;\u3001&lt;=\u3001&gt;=\u3001!=\uff09\u306b\u3064\u3044\u3066<\/span><\/h3>\n<p>boolean\u578b\u306f\u3001true\uff08\u771f\uff09\u3068false\uff08\u507d\uff09\u306e2\u7a2e\u985e\u306e\u307f\u3092\u6301\u3064\u30c7\u30fc\u30bf\u578b\u3067\u3059\u3002<br \/>\n\u6bd4\u8f03\u6f14\u7b97\u5b50\u306e\u5185\u5bb9\u3068\u4e00\u81f4\u3059\u308b\u5834\u5408\u306f\u3001\u7d50\u679c\u304ctrue\u3001\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\u306ffalse\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u4f8b\u3048\u3070\u300c==\u300d\u306f\u300c\u5de6\u3068\u53f3\u304c\u7b49\u3057\u3044\u300d\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u306e\u3067\u3001\u300cA==B\u300d\u306e\u5834\u5408\u300cA\u3068B\u304c\u7b49\u3057\u3044\u300d\u6642\u306ftrue\u3001\u305d\u3046\u3067\u306a\u3044\u5834\u5408\u306ffalse\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">public class Main {\r\n\tpublic static void main(String[] args) {\r\n\t\tboolean bool = true;\r\n\t\tint a = 5;\r\n\t\t\r\n\t\t\/\/ bool\u304ctrue\u306a\u306e\u3067true\u3092\u8868\u793a\r\n\t\tSystem.out.println(bool);\r\n\t\t\/\/ a\u30685\u304c\u7b49\u3057\u3044\u306e\u3067true\u3092\u8868\u793a\r\n\t\tSystem.out.println(a == 5);\r\n\t\t\/\/ a\u30685\u304c\u7b49\u3057\u304f\u306a\u3044\u306e\u3067false\u3092\u8868\u793a\r\n\t\tSystem.out.println(a == 8);\r\n\t}\r\n}\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<pre class=\"prettyprint lang:default decode:true\">true\r\ntrue\r\nfalse\r\n<\/pre>\n<p>\u305d\u308c\u305e\u308c\u306e\u6bd4\u8f03\u6f14\u7b97\u5b50\u306e\u610f\u5473\u306f\u4e0b\u8a18\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<p>A==B\uff1aA\u3068B\u304c\u7b49\u3057\u3044<br \/>\n\u203b\u6587\u5b57\u5217\u306e\u5834\u5408\u306fA.equals(B)<\/p>\n<p>A!=B\u00a0 \uff1aA\u3068B\u304c\u7b49\u3057\u304f\u306a\u3044<br \/>\nA&lt;B\u3000\uff1aA\u304cB\u3088\u308a\u5c0f\u3055\u3044<br \/>\nA&lt;=B \uff1aA\u304cB\u3088\u308a\u5c0f\u3055\u3044\u304b\u7b49\u3057\u3044<br \/>\nA&gt;B\u3000\uff1aA\u304cB\u3088\u308a\u5927\u304d\u3044<br \/>\nA&gt;=B \uff1aA\u304cB\u3088\u308a\u5927\u304d\u3044\u304b\u7b49\u3057\u3044<\/p>\n<p>if\u6587\u306e\u6761\u4ef6\u5f0f\u306f\u3053\u308c\u3089\u306e\u6bd4\u8f03\u6f14\u7b97\u5b50\u3092\u7528\u3044\u3066\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\u3000\u3000\u3000\u3000int a = 5;\r\n\t\t\t\t\r\n\tif(a&gt;3) {\r\n\t\t\/\/ a&gt;3\u304ctrue\u306a\u306e\u3067\u3001\u4e0b\u8a18\u306f\u8868\u793a\u3055\u308c\u308b\r\n\t\tSystem.out.println(\"a\u306f3\u3088\u308a\u5927\u304d\u3044\");\r\n\t}\r\n\tif(a&lt;=0) {\r\n\t\t\/\/ a&lt;=0\u304cfalse\u306a\u306e\u3067\u3001\u4e0b\u8a18\u306f\u8868\u793a\u3055\u308c\u306a\u3044\r\n\t\tSystem.out.println(\"a\u306f0\u4ee5\u4e0b\");\r\n\t}<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<pre class=\"prettyprint lang:default decode:true\">a\u306f3\u3088\u308a\u5927\u304d\u3044<\/pre>\n<h3><span id=\"i-2\">\uff12-\uff12\uff0e\u8ad6\u7406\u6f14\u7b97\u5b50\uff08!\u3001&amp;&amp;\u3001||\uff09\u306b\u3064\u3044\u3066<\/span><\/h3>\n<p>\u8ad6\u7406\u6f14\u7b97\u5b50\u306f\u6761\u4ef6\u5f0f\u3084boolean\u578b\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3044\u307e\u3059\u3002<br \/>\n\u4f8b\u3048\u3070\u300c!\u300d\u306f\u3001\u5f8c\u306b\u7d9a\u304f\u6761\u4ef6\u5f0f\u3084boolean\u578b\u304ctrue\u306e\u5834\u5408\u306ffalse\u3001false\u306e\u5834\u5408\u306ftrue\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\u3000\u3000\u3000\u3000int a = 5;\r\n\t\tif(!(a&gt;3)) {\r\n\t\t\/\/ a&gt;3\u304ctrue\u306a\u306e\u3067\u3001!\u3067false\u306b\u306a\u3063\u3066\u4e0b\u8a18\u306f\u8868\u793a\u3055\u308c\u306a\u3044\r\n\t\tSystem.out.println(\"a\u306f3\u3088\u308a\u5927\u304d\u304f\u306a\u3044\");\r\n\t}\r\n\tif(!(a&lt;=0)) {\r\n\t\t\/\/ a&lt;=0\u304cfalse\u306a\u306e\u3067\u3001!\u3067true\u306b\u306a\u3063\u3066\u4e0b\u8a18\u306f\u8868\u793a\u3055\u308c\u308b\r\n\t\tSystem.out.println(\"a\u306f0\u4ee5\u4e0b\u3067\u306f\u306a\u3044\");\r\n\t}<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<pre class=\"prettyprint lang:default decode:true\">a\u306f0\u4ee5\u4e0b\u3067\u306f\u306a\u3044<\/pre>\n<p>\u305d\u308c\u305e\u308c\u306e\u8ad6\u7406\u6f14\u7b97\u5b50\u306e\u610f\u5473\u306f\u4e0b\u8a18\u306e\u901a\u308a\u3067\u3059\u3002<br \/>\n\uff08&amp;&amp;\uff09\u3068\uff08||\uff09\u306f\u8907\u6570\u306e\u6761\u4ef6\u5f0f\u3084boolean\u578b\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>!A\u3000\u3000\uff1aA\u3092\u5426\u5b9a\uff08A\u304ctrue\u306e\u5834\u5408\u306ffalse\u3001false\u306e\u5834\u5408\u306ftrue\uff09<br \/>\nA&amp;&amp;B \uff1aA\u3068B\u304c\u4e21\u65b9true\u306e\u5834\u5408\u306ftrue\u3001\u305d\u308c\u4ee5\u5916\u306ffalse<br \/>\nA||B\u3000\uff1aA\u3068B\u306e\u3069\u3061\u3089\u304b\u304ctrue\u306e\u5834\u5408\u306ftrue\u3001\u305d\u308c\u4ee5\u5916\u306ffalse<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\u3000\u3000\u3000\u3000int a = 5;\r\n\tint b = 10;\r\n\t\tif(a==5 &amp;&amp; b&gt;8) {\r\n\t\t\/\/ a==5\u3068b&gt;8\u304c\u4e21\u65b9true\u306a\u306e\u3067\u3001\u4e21\u65b9true\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u305f\u3081\u3001\u4e0b\u8a18\u306f\u8868\u793a\u3055\u308c\u308b\r\n\t\tSystem.out.println(\"a\u306f5\u304b\u3064b\u306f8\u3088\u308a\u5927\u304d\u3044\");\r\n\t\t}\r\n\r\n\t\tif(a==5 &amp;&amp; b&gt;15) {\r\n\t\t\/\/ b&gt;15\u304cfalse\u306a\u306e\u3067\u3001\u4e21\u65b9true\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044\u305f\u3081\u3001\u4e0b\u8a18\u306f\u8868\u793a\u3055\u308c\u306a\u3044\r\n\t\tSystem.out.println(\"a\u306f5\u304b\u3064b\u306f15\u3088\u308a\u5927\u304d\u3044\");\r\n\t}\r\n\r\n\tif(a==5 || b&gt;15) {\r\n\t\t\/\/ a==5\u304ctrue\u306a\u306e\u3067\u3001\u3069\u3061\u3089\u304b\u304ctrue\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u305f\u3081\u3001\u4e0b\u8a18\u306f\u8868\u793a\u3055\u308c\u308b\r\n\t\tSystem.out.println(\"a\u306f5\u307e\u305f\u306fb\u306f15\u3088\u308a\u5927\u304d\u3044\");\r\n\t}\r\n\r\n\tif(a==8 || b&gt;15) {\r\n\t\t\/\/ a==5\u3068b&gt;15\u304c\u4e21\u65b9false\u306a\u306e\u3067\u3001\u3069\u3061\u3089\u304b\u304ctrue\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044\u305f\u3081\u3001\u4e0b\u8a18\u306f\u8868\u793a\u3055\u308c\u306a\u3044\r\n\t\tSystem.out.println(\"a\u306f8\u307e\u305f\u306fb\u306f15\u3088\u308a\u5927\u304d\u3044\");\r\n\t}\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<pre class=\"prettyprint lang:default decode:true\">a\u306f5\u304b\u3064b\u306f8\u3088\u308a\u5927\u304d\u3044\r\na\u306f5\u307e\u305f\u306fb\u306f15\u3088\u308a\u5927\u304d\u3044\r\n<\/pre>\n<h2><span id=\"else\">\uff13\uff0eelse\u6587\u306e\u4f7f\u3044\u65b9<\/span><\/h2>\n<p>else\u6587\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001if\u6587\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3055\u306a\u304b\u3063\u305f\u5834\u5408\u306e\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u4e0b\u8a18\u306e\u51e6\u74062\u306f\u6761\u4ef6\u5f0f\u304cfalse\u306e\u5834\u5408\u306b\u5b9f\u884c\u3057\u307e\u3059<\/p>\n<p>If(\u6761\u4ef6\u5f0f){<br \/>\n\u3000\u51e6\u74061<br \/>\n}else{<br \/>\n\u3000\u51e6\u74062<br \/>\n}<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\u3000\u3000\u3000\u3000int a = 5;\r\n\r\n\tif(a&gt;=10) {\r\n\t\t\/\/ a&gt;=10\u304cfalse\u306e\u305f\u3081\u3001\u4e0b\u8a18\u306f\u8868\u793a\u3055\u308c\u306a\u3044\r\n\t\tSystem.out.println(\"a\u306f10\u4ee5\u4e0a\");\r\n\t}else {\r\n\t\t\/\/ \u524d\u306eif\u6587\u306e\u6761\u4ef6\u304cfalse\u306e\u305f\u3081\u3001\u4e0b\u8a18\u306f\u8868\u793a\u3055\u308c\u308b\r\n\t\tSystem.out.println(\"a\u306f10\u4ee5\u4e0a\u3067\u306f\u306a\u3044\");\r\n\t}\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<pre class=\"prettyprint lang:default decode:true\">a\u306f10\u4ee5\u4e0a\u3067\u306f\u306a\u3044<\/pre>\n<h2><span id=\"else_if\">\uff14\uff0eelse if\u6587\u306e\u4f7f\u3044\u65b9<\/span><\/h2>\n<p>else\u6587\u306f\u3001if\u6587\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3055\u306a\u304b\u3063\u305f\u5834\u5408\u306e\u51e6\u7406\u3067\u3057\u305f\u3002<br \/>\nelse if\u6587\u3067\u306f\u3001if\u6587\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3055\u306a\u304b\u3063\u305f\u5834\u5408\u3001\u66f4\u306b\u6761\u4ef6\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4e0b\u8a18\u306e\u51e6\u74062\u306f\u6761\u4ef6\u5f0f1\u304cfalse\u3067\u6761\u4ef6\u5f0f2\u304ctrue\u306e\u5834\u5408\u306b\u5b9f\u884c\u3057\u307e\u3059\u3002<br \/>\n\u4e0b\u8a18\u306e\u51e6\u74063\u306f\u6761\u4ef6\u5f0f1\u3068\u6761\u4ef6\u5f0f2\u304cfalse\u3067\u6761\u4ef6\u5f0f3\u304ctrue\u306e\u5834\u5408\u306b\u5b9f\u884c\u3057\u307e\u3059\u3002<br \/>\nelse if\u6587\u306f\u3044\u304f\u3064\u3082\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>If(\u6761\u4ef6\u5f0f1){<br \/>\n\u3000\u51e6\u74061<br \/>\n}else if(\u6761\u4ef6\u5f0f2){<br \/>\n\u3000\u51e6\u74062<br \/>\n}else if(\u6761\u4ef6\u5f0f3){<br \/>\n\u3000\u51e6\u74063<br \/>\n}<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\t\tint a = 5;\r\n\r\n\t\tif(a&gt;=10) {\r\n\t\t\t\/\/ a&gt;=10\u304cfalse\u306e\u305f\u3081\u3001\u4e0b\u8a18\u306f\u8868\u793a\u3055\u308c\u306a\u3044\r\n\t\t\tSystem.out.println(\"a\u306f10\u4ee5\u4e0a\");\r\n\t\t}else if(a&gt;=5){\r\n\t\t\t\/\/ \u524d\u306eif\u6587\u306e\u6761\u4ef6\u304cfalse\u3067a&gt;=5\u304ctrue\u306e\u305f\u3081\u3001\u4e0b\u8a18\u306f\u8868\u793a\u3055\u308c\u308b\r\n\t\t\tSystem.out.println(\"a\u306f5\u4ee5\u4e0a\");\r\n\t\t}else if(a&gt;=3) {\r\n\t\t\t\/\/ \u524d\u306eif\u6587\u306e\u6761\u4ef6\u304ctrue\u306e\u305f\u3081\u3001\u4e0b\u8a18\u306f\u8868\u793a\u3055\u308c\u306a\u3044\r\n\t\t\tSystem.out.println(\"a\u306f3\u4ee5\u4e0a\");\t\t\t\r\n\t\t}\r\n\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<pre class=\"prettyprint lang:default decode:true\">a\u306f5\u4ee5\u4e0a<\/pre>\n<h2><span id=\"switch\">\uff15\uff0e\uff08\u88dc\u8db3\uff09switch\u6587\u306b\u3064\u3044\u3066<\/span><\/h2>\n<p>\u5909\u6570\u306e\u5024\u304c\u3042\u308b\u5024\u3068\u7b49\u3057\u3044\u304b\u3060\u3051\u3067\u51e6\u7406\u3092\u5206\u3051\u305f\u3044\u5834\u5408\u3001else if\u3067\u3082\u8a18\u8f09\u306f\u3067\u304d\u307e\u3059\u304c\u3001switch\u6587\u306e\u65b9\u304c\u5229\u7528\u3055\u308c\u307e\u3059\u3002<br \/>\n\u5909\u6570\u304c\u50241\u306e\u5834\u5408\u306f\u51e6\u74061\u3001\u50242\u306e\u5834\u5408\u306f\u51e6\u74062\u3001\u3001\u3001\u3068\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>\u6ce8\u610f\u70b9\u3068\u3057\u3066\u3001break\u3092\u8a18\u8f09\u3057\u306a\u3044\u3068\u305d\u308c\u3088\u308a\u4e0b\u306b\u8a18\u8f09\u3057\u305f\u51e6\u7406\u3082\u4e00\u7dd2\u306b\u5b9f\u884c\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br \/>\ndefault\u306e\u51e6\u7406\u306f\u5024\u304c\u4e00\u81f4\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u306b\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>switch(\u5909\u6570){<br \/>\n\u3000case \u50241:<br \/>\n\u3000\u3000\u51e6\u74061<br \/>\n\u3000\u3000break;<br \/>\n\u3000case \u50242:<br \/>\n\u3000\u3000\u51e6\u74062<br \/>\n\u3000\u3000break;<br \/>\n\u3000case \u50243:<br \/>\n\u3000\u3000\u51e6\u74063<br \/>\n\u3000\u3000break;<br \/>\n\u3000default:<br \/>\n\u3000\u3000\u51e6\u74064<br \/>\n}<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000String season = \"\u590f\";\r\n\t\t\r\n\t\tswitch (season) {\r\n\t\t\tcase \"\u6625\":\r\n\t\t\t\tSystem.out.println(\"\u6625\u3067\u3059\");\r\n\t\t\t\tbreak;\r\n\t\t\tcase \"\u590f\":\r\n\t\t\t\tSystem.out.println(\"\u590f\u3067\u3059\");\r\n\t\t\t\tbreak;\r\n\t\t\tcase \"\u79cb\":\r\n\t\t\t\tSystem.out.println(\"\u79cb\u3067\u3059\");\r\n\t\t\t\tbreak;\r\n\t\t\tcase \"\u51ac\":\r\n\t\t\t\tSystem.out.println(\"\u51ac\u3067\u3059\");\r\n\t\t\t\tbreak;\r\n\t\t\tdefault:\r\n\t\t\t\tSystem.out.println(\"\u5b63\u7bc0\u3067\u306f\u3042\u308a\u307e\u305b\u3093\");\r\n\t\t}\r\n\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\u590f\u3067\u3059<\/pre>\n<h2><span id=\"i-3\">\uff16\uff0e\u3055\u3044\u3054\u306b<\/span><\/h2>\n<p>if\u6587\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u6761\u4ef6\u306b\u3088\u3063\u3066\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u304b\u3069\u3046\u304b\u306e\u9078\u629e\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\nif\u6587\u3067\u306e\u51e6\u7406\u306e\u5206\u5c90\u306f\u975e\u5e38\u306b\u91cd\u8981\u306a\u306e\u3067\u3001\u4eca\u56de\u306e\u5185\u5bb9\u3092\u3057\u3063\u304b\u308a\u3068\u62bc\u3055\u305b\u3066\u3082\u3089\u3048\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u306e\u69cb\u6587\u306e\u4e00\u3064\u306b\u300cif\u6587\u300d\u304c\u3042\u308a\u307e\u3059\u3002 if\u6587\u306f\u51e6\u7406\u306e\u5206\u5c90\u3092\u6271\u3046\u969b\u306b\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002 \u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001if\u6587\u306e\u57fa\u672c\u3092\u4f8b\u6587\u3092\u4ea4\u3048\u3066\u8a18\u8f09\u3057\u3066\u3044\u304d\u307e\u3059\u3002 \u76ee\u6b21\uff11\uff0eJava\u306eif\u6587\u306e\u57fa\u672c\u69cb\u6587\uff12\uff0e\u6761\u4ef6\u5f0f\u306e\u4f5c\u308a\u65b9\uff12-\uff11\uff0eboo [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4270,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[14],"acf":[],"_links":{"self":[{"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts\/6178"}],"collection":[{"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/comments?post=6178"}],"version-history":[{"count":6,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts\/6178\/revisions"}],"predecessor-version":[{"id":6202,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts\/6178\/revisions\/6202"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/media\/4270"}],"wp:attachment":[{"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/media?parent=6178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/categories?post=6178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}