{"id":1112,"date":"2018-12-10T12:00:50","date_gmt":"2018-12-10T03:00:50","guid":{"rendered":"https:\/\/www.bold.ne.jp\/engineer-club\/?p=1112"},"modified":"2025-09-17T14:02:55","modified_gmt":"2025-09-17T05:02:55","slug":"java-while","status":"publish","type":"post","link":"https:\/\/www.bold.ne.jp\/engineer-club\/java-while","title":{"rendered":"java\u306ewhile\u3068\u306f\uff1fJava\u306e\u7e70\u308a\u8fd4\u3057\u306e\u57fa\u672cwhile\u6587\u30fbfor\u6587\u3068\u306e\u4f7f\u3044\u5206\u3051\u3092\u89e3\u8aac"},"content":{"rendered":"<p>while\u6587\u306f<span>Java<\/span>\u3067\u7e70\u308a\u8fd4\u3057\u3092\u3059\u308b\u305f\u3081\u306e\u69cb\u6587\u306e\u4e00\u3064\u3067\u3059\u3002<br \/>\n\u4f55\u304b\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u9593\u3001\u305a\u3063\u3068\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3057\u7d9a\u3051\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>while\u6587\u306f<span>for<\/span>\u6587\u3088\u308a\u30b7\u30f3\u30d7\u30eb\u306a\u69cb\u6587\u3067\u3059\u306e\u3067\u3001\u30b3\u30c4\u304c\u5206\u304b\u308c\u3070\u3059\u3050\u4f7f\u3048\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u306f\u521d\u5fc3\u8005\u5411\u3051\u306b\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u5b66\u3093\u3067\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u3053\u3053\u3067\u899a\u3048\u308c\u3070\u3001\u4ed6\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3082\u540c\u3058\u3088\u3046\u306b\u4f7f\u3048\u307e\u3059\u3088\u3002<\/p>\n<p>\u306a\u304a\u3001\u6163\u308c\u306a\u3044\u3046\u3061\u306f\u3001\u540c\u3058\u3088\u3046\u306a\u7e70\u308a\u8fd4\u3057\u69cb\u6587\u3067\u3042\u308b<span>for<\/span>\u6587\u3068\u3001\u4f7f\u3044\u5206\u3051\u306b\u8ff7\u3046\u3053\u3068\u304c\u591a\u3044\u3082\u306e\u3067\u3059\u3002<br \/>\n\u305d\u306e\u8003\u3048\u65b9\u306e\u4f8b\u3082\u8a18\u8ff0\u3057\u307e\u3057\u305f\u306e\u3067\u3001\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044<span>!<\/span><\/p>\n<p>\u203b\u3053\u306e\u8a18\u4e8b\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u3001<span>Java 10<\/span>\u306e\u74b0\u5883\u3067\u52d5\u4f5c\u78ba\u8a8d\u3057\u3066\u3044\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=\"#Javawhile\">\uff11\uff0e\u3010Java\u3011while\u6587\u306e\u57fa\u672c<\/a><ul><li><a href=\"#-while\">\uff11-\uff11\uff0ewhile\u6587\u306f\u6761\u4ef6\u5f0f\u3068\u51e6\u7406\u90e8\u306e\u7e70\u308a\u8fd4\u3057<\/a><\/li><li><a href=\"#-while-2\">\uff11-\uff12\uff0ewhile\u6587\u306e\u4f8b<\/a><\/li><\/ul><\/li><li><a href=\"#Javawhile-2\">\uff12\uff0e\u3010Java\u3011while\u6587\u306e\u52d8\u6240<\/a><ul><li><a href=\"#-boolean\">\uff12-\uff11\uff0e\u6761\u4ef6\u5f0f\u306f\u5fc5\u305aboolean!<\/a><\/li><li><a href=\"#-continue\">\uff12-\uff12\uff0econtinue\u3059\u308b\u3068\u6b21\u306e\u7e70\u308a\u8fd4\u3057\u3078<\/a><\/li><li><a href=\"#-breakwhile\">\uff12-\uff13\uff0ebreak\u3059\u308b\u3068\u3059\u3050\u306bwhile\u6587\u3092\u7d42\u4e86\u3059\u308b<\/a><\/li><li><a href=\"#i\">\uff12-\uff14\uff0e\u7121\u9650\u30eb\u30fc\u30d7\u306b\u306f\u6c17\u3092\u4ed8\u3051\u3066!<\/a><\/li><\/ul><\/li><li><a href=\"#whilefor\">\uff13\uff0e\u3010\u53c2\u8003\u3011while\u6587\u3068for\u6587\u3068\u306e\u4f7f\u3044\u5206\u3051<\/a><ul><li><a href=\"#-for\">\uff13-\uff11\uff0efor\u6587\uff1a\u7e70\u308a\u8fd4\u3059\u56de\u6570\u304c\u6c7a\u307e\u3063\u3066\u3044\u308b\u5834\u5408<\/a><\/li><li><a href=\"#-while-3\">\uff13-\uff12\uff0ewhile\u6587\uff1a\u7e70\u308a\u8fd4\u3057\u56de\u6570\u304c\u6c7a\u307e\u3063\u3066\u3044\u306a\u3044\u5834\u5408<\/a><\/li><\/ul><\/li><li><a href=\"#i-2\">\uff14\uff0e\u307e\u3068\u3081<\/a><\/li><\/ul><\/div>\n<h2><span id=\"Javawhile\">\uff11\uff0e\u3010<span>Java\u3011<\/span>while\u6587\u306e\u57fa\u672c<\/span><\/h2>\n<h3><span id=\"-while\">\uff11-\uff11\uff0ewhile\u6587\u306f\u6761\u4ef6\u5f0f\u3068\u51e6\u7406\u90e8\u306e\u7e70\u308a\u8fd4\u3057<\/span><\/h3>\n<p>while\u6587\u306f\u300c<span>\u2460<\/span>\u6761\u4ef6\u5f0f\u300d\u3068\u300c<span>\u2461<\/span>\u51e6\u7406\u90e8\u300d\u306e\u4e8c\u3064\u304b\u3089\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">while (\u2460\u6761\u4ef6\u5f0f) {\r\n\t\u2461\u51e6\u7406\u90e8\r\n}<\/pre>\n<p><a href=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2018\/12\/Java-while.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2018\/12\/Java-while.png\" alt=\"While\u306b\u3064\u3044\u3066\u89e3\u8aac\" width=\"960\" height=\"720\" class=\"alignnone size-full wp-image-1113\" srcset=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2018\/12\/Java-while.png 960w, https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2018\/12\/Java-while-768x576.png 768w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/a><\/p>\n<p>while\u6587\u306f\u5fc5\u305a<span>\u2460<\/span>\u306e\u6761\u4ef6\u5f0f\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u6761\u4ef6\u5f0f\u306f\u3001\u5b9f\u884c\u3057\u305f\u7d50\u679c\u304c\u5fc5\u305a<span>boolean<\/span>\u306b\u306a\u3089\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<span>boolean<\/span>\u3067\u306a\u3051\u308c\u3070\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u3067\u3059\u3002\u3053\u308c\u304c<span>Java<\/span>\u306e<span>while<\/span>\u306b\u304a\u3051\u308b\u5927\u304d\u306a\u7279\u5fb4\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u6761\u4ef6\u5f0f\u306e\u7d50\u679c\u304c<span>true<\/span>\u306e\u5834\u5408\u306b\u3060\u3051\u3001<span>\u2461<\/span>\u306e\u51e6\u7406\u90e8\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<span>false<\/span>\u306e\u5834\u5408\u306f<span>while<\/span>\u6587\u304c\u7d42\u4e86\u3057\u3001<span>while<\/span>\u6587\u306e\u6b21\u306b\u3042\u308b\u51e6\u7406\u306b\u79fb\u308a\u307e\u3059\u3002<\/p>\n<p>\u51e6\u7406\u90e8\u3067\u306e\u51e6\u7406\u304c\u300c<span>{}<\/span>\u300d\u3067\u304f\u304f\u3089\u308c\u305f\u6700\u5f8c\u307e\u3067\u884c\u304f\u3068\u3001\u307e\u305f<span>\u2460<\/span>\u306e\u6761\u4ef6\u5f0f\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u3042\u308b\u3044\u306f\u3001\u5f8c\u8ff0\u3059\u308b<span>continue<\/span>\u3084<span>break<\/span>\u304c\u5b9f\u884c\u3055\u308c\u3066\u3082\u51e6\u7406\u90e8\u306f\u7d42\u4e86\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001<span>while<\/span>\u6587\u306f<span>while<\/span>\u6587\u3092\u5b9f\u884c\u3059\u308b\u304b\u3069\u3046\u304b\u306e\u6761\u4ef6\u5224\u65ad\u3068\u3001\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306e\u672c\u4f53\u3067\u3042\u308b\u51e6\u7406\u90e8\u306e\u5b9f\u884c\u304c\u4ea4\u4e92\u306b\u884c\u308f\u308c\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<h3><span id=\"-while-2\">\uff11-\uff12\uff0ewhile\u6587\u306e\u4f8b<\/span><\/h3>\n<p>\u7c21\u5358\u306a\u4f8b\u3067<span>while<\/span>\u6587\u306e\u52d5\u304d\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u308c\u306f<span>2<\/span>\u56de\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3059\u3082\u306e\u3067\u3059\u3002\u5909\u6570<span>i<\/span>\u304c\u52a0\u7b97\u3055\u308c\u3064\u3064\u3001\u6761\u4ef6\u5f0f<span>\u2192<\/span>\u51e6\u7406\u90e8\u3068\u52d5\u304f\u3053\u3068\u3067\u3001\u5168\u4f53\u3068\u3057\u3066<span>2<\/span>\u56de\u7e70\u308a\u8fd4\u3055\u308c\u308b\u3053\u3068\u304c\u5206\u304b\u308b\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">int i = 0;\r\n\r\nwhile (i &lt; 2) {\r\n\tSystem.out.println((i + 1) + \"\u56de\u76ee\u306e\u7e70\u308a\u8fd4\u3057\u3067\u3059\u3002\");\r\n\ti++;\r\n}<\/pre>\n<div class=\"attention a-3\">\n<p class=\"attention-title\" style=\"text-align: left;\">\u6761\u4ef6\u5f0f\uff1a<span>i &lt; 2<\/span><\/p>\n<p class=\"attention-title\" style=\"text-align: left;\">\u51e6\u7406\u90e8\uff1a<span>System.out.println <\/span>\u3068<span> i++<\/span><\/p>\n<ol>\n<li>0 &lt; 2 \u2192 true\u306a\u306e\u3067\u51e6\u7406\u90e8\u304c\u5b9f\u884c\u3055\u308c\u308b<\/li>\n<li>i\u306e\u5024\u3092\u51fa\u529b\u3057\u305f\u5f8c\u3001<span>0 <\/span>\u304c<span> +1 <\/span>\u3055\u308c\u3066<span> 1 <\/span>\u306b\u306a\u308b<\/li>\n<li>\u00a01 &lt; 2 \u2192 true\u306a\u306e\u3067\u51e6\u7406\u90e8\u304c\u5b9f\u884c\u3055\u308c\u308b<\/li>\n<li>i\u306e\u5024\u3092\u51fa\u529b\u3057\u305f\u5f8c\u3001<span>1 <\/span>\u304c<span> +1 <\/span>\u3055\u308c\u3066<span> 2 <\/span>\u306b\u306a\u308b<\/li>\n<li>2 &lt; 2 \u2192 false\u306a\u306e\u3067<span>while<\/span>\u6587\u304c\u7d42\u4e86\u3059\u308b<\/li>\n<\/ol>\n<\/div>\n<h2><span id=\"Javawhile-2\">\uff12\uff0e\u3010<span>Java\u3011<\/span>while\u6587\u306e\u52d8\u6240<\/span><\/h2>\n<h3><span id=\"-boolean\">\uff12-\uff11\uff0e\u6761\u4ef6\u5f0f\u306f\u5fc5\u305a<span>boolean!<\/span><\/span><\/h3>\n<p>\u524d\u8ff0\u3057\u305f\u3068\u304a\u308a\u3001\u6761\u4ef6\u5f0f\u306f\u5fc5\u305a<span>boolean<\/span>\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001<span>boolean<\/span>\u306b\u306a\u3089\u306a\u3044\u5834\u5408\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u3067\u3059\u3002<\/p>\n<p>\u9006\u306b\u8a00\u3048\u3070\u3001\u6700\u7d42\u7684\u306b<span>boolean<\/span>\u306b\u306a\u308c\u3070\u3044\u3044\u306e\u3067\u3001<span>if<\/span>\u6587\u306e\u3088\u3046\u306b\u8907\u6570\u306e\u6761\u4ef6\u3092<span> &amp;&amp; <\/span>\u3084<span> || <\/span>\u3067\u7d44\u307f\u5408\u308f\u305b\u3066\u3082\u5927\u4e08\u592b\u3067\u3059\u3002\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u884c\u3057\u305f\u7d50\u679c\u306e<span>boolean<\/span>\u3067\u3082\u69cb\u3044\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">boolean b1 = true;\r\nboolean b2 = true;\r\n\r\nwhile (b1 &amp;&amp; b2) {\r\n\t\/\/ \u51e6\u7406\u7d50\u679c\u3067 b1\/b2 \u306e\u5024\u304c\u5909\u308f\u308b\r\n}<\/pre>\n<pre class=\"prettyprint lang:default decode:true\">List&lt;Integer&gt; list = Arrays.asList(1, 2, 3);\r\nIterator&lt;Integer&gt; it = list.iterator();\r\n\r\n\/\/ hasNext\u304ctrue\u3092\u8fd4\u3059\u9650\u308a\u3001\u7e70\u308a\u8fd4\u3057\u3092\u7d9a\u3051\u308b\r\nwhile (it.hasNext()) {\r\n\tSystem.out.println(it.next());\r\n}<\/pre>\n<p>\u306a\u304a\u3001<span>Java<\/span>\u306f\u4ed6\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3068\u306f\u9055\u3044\u3001<span>0<\/span>\u3084<span>&#8220;&#8221;<\/span>\u3001<span>null<\/span>\u306a\u3069\u306f<span>boolean<\/span>\u3067\u306e\u5224\u65ad\u304c\u5fc5\u8981\u306a\u7b87\u6240\u3067<span>false<\/span>\u6271\u3044\u3055\u308c\u307e\u305b\u3093\u3002\u6761\u4ef6\u5f0f\u306e\u90e8\u5206\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u6642\u306f\u3001\u3053\u306e\u89b3\u70b9\u3067\u8abf\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3><span id=\"-continue\">\uff12-\uff12\uff0econtinue\u3059\u308b\u3068\u6b21\u306e\u7e70\u308a\u8fd4\u3057\u3078<\/span><\/h3>\n<p>\u51e6\u7406\u90e8\u3067<span>continue<\/span>\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4eca\u306e\u51e6\u7406\u90e8\u306f\u305d\u306e\u6642\u70b9\u3067\u4e2d\u65ad\u3055\u308c\u3066\u3001\u6761\u4ef6\u5f0f\u3078\u51e6\u7406\u304c\u79fb\u308a\u307e\u3059\u3002\u4eca\u306e\u7e70\u308a\u8fd4\u3057\u306f\u3082\u3046\u7d42\u308f\u3089\u305b\u3066\u3082\u3044\u3044\u3051\u308c\u3069\u3001<span>while<\/span>\u6587\u81ea\u4f53\u306f\u7d9a\u3051\u305f\u3044\u3001\u3068\u3044\u3046\u5834\u5408\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>continue\u306f<span>if<\/span>\u6587\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u666e\u901a\u3067\u3057\u3087\u3046\u3002\u51e6\u7406\u306e\u9014\u4e2d\u3067\u7d42\u308f\u3089\u305b\u3066\u3082\u3044\u3044\u3001\u3068\u5224\u65ad\u3067\u304d\u305f\u5834\u5408\u306b\u4f7f\u3046\u3082\u306e\u3060\u304b\u3089\u3067\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">int i = 0;\r\n\r\nwhile (i &lt; 10) {\r\n\t\/\/ i\u304c\u5076\u6570\u306e\u5834\u5408\u306f\u4f55\u3082\u305b\u305a\u6b21\u306e\u7e70\u308a\u8fd4\u3057\u3078\u884c\u304f\r\n\tif (i % 2 == 0) {\r\n\t\ti++;\r\n\t\tcontinue;\r\n\t}\r\n\r\n\tSystem.out.println(i); \/\/ \u2192 1,3,5,7,9\u3092\u8868\u793a\r\n\ti++;\r\n}<\/pre>\n<h3><span id=\"-breakwhile\">\uff12-\uff13\uff0ebreak\u3059\u308b\u3068\u3059\u3050\u306b<span>while<\/span>\u6587\u3092\u7d42\u4e86\u3059\u308b<\/span><\/h3>\n<p>\u51e6\u7406\u90e8\u3067<span>break<\/span>\u3092\u3059\u308b\u3068\u3001\u305d\u306e\u6642\u70b9\u3067\u3059\u3050\u306b<span>while<\/span>\u6587\u3092\u7d42\u4e86\u3057\u307e\u3059\u3002\u6761\u4ef6\u5f0f\u3082\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\u3002\u3082\u3046\u3053\u308c\u4ee5\u4e0a<span>while<\/span>\u6587\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u3001\u3068\u3044\u3046\u5834\u5408\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>break\u3082<span>if<\/span>\u6587\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u306e\u304c\u666e\u901a\u3067\u3057\u3087\u3046\u3002\u666e\u901a\u306a\u3089\u51e6\u7406\u90e8\u3092\u3059\u3079\u3066\u5b9f\u884c\u3059\u308b\u306e\u306b\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u3092\u6e80\u305f\u305b\u3070\u7d42\u308f\u3089\u305b\u305f\u3044\u304b\u3089\u3067\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">int i = 0;\r\n\r\nwhile (i &lt; 10) {\r\n\t\/\/ i\u304c5\u3092\u8d85\u3048\u305f\u306a\u3089while\u6587\u3092\u7d42\u308f\u3089\u305b\u308b\r\n\tif (i &gt; 5) {\r\n\t\tbreak;\r\n\t}\r\n\r\n\tSystem.out.println(i); \/\/ \u2192 0,1,2,3,4,5\u3092\u8868\u793a\r\n\ti++;\r\n}<\/pre>\n<h3><span id=\"i\">\uff12-\uff14\uff0e\u7121\u9650\u30eb\u30fc\u30d7\u306b\u306f\u6c17\u3092\u4ed8\u3051\u3066<span>!<\/span><\/span><\/h3>\n<p>\u4ee5\u4e0b\u306e<span>while<\/span>\u6587\u306f\u3044\u308f\u3086\u308b\u7121\u9650\u30eb\u30fc\u30d7\u3067\u3059\u3002\u6761\u4ef6\u5f0f\u304c\u5e38\u306b<span>true<\/span>\u3067\u3059\u306e\u3067\u3001<span>while<\/span>\u6587\u306e\u51e6\u7406\u90e8\u306f\u5e38\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3067\u3059\u304b\u3089\u3001\u4f55\u304b\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u305f\u5834\u5408\u306b<span>break<\/span>\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3053\u3068\u304c\u666e\u901a\u3067\u3059\u3002<span>break<\/span>\u306e\u4ee3\u308f\u308a\u306b<span>return<\/span>\u3057\u3066\u30e1\u30bd\u30c3\u30c9\u3092\u7d42\u308f\u3089\u305b\u308b\u3053\u3068\u3067\u3082\u3001\u7121\u9650\u30eb\u30fc\u30d7\u3092\u7d42\u308f\u3089\u305b\u3089\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\/\/ \u7121\u9650\u30eb\u30fc\u30d7\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u3066\u304a\u308a\u3001\u3053\u306e\u307e\u307e\u3067\u306fwhile\u6587\u304c\u7d42\u308f\u3089\u306a\u3044!!\r\nwhile (true) {\r\n\t\/\/ \u4f55\u304b\u306e\u51e6\u7406\r\n}<\/pre>\n<pre class=\"prettyprint lang:default decode:true\">\/\/ \u666e\u901a\u306f\u4f55\u304b\u306e\u6761\u4ef6\u3067break\u3059\u308b\u3088\u3046\u306b\u3059\u308b\r\nwhile (true) {\r\n\tif (\u4f55\u304b\u306e\u6761\u4ef6) {\r\n\t\tbreak;\r\n\t}\r\n\t\/\/ \u4f55\u304b\u306e\u51e6\u7406\r\n}<\/pre>\n<p>\u7121\u9650\u30eb\u30fc\u30d7\u306f\u3001\u4f55\u56de\u5b9f\u884c\u3059\u308c\u3070\u3044\u3044\u304b\u306f\u4e8b\u524d\u306b\u5206\u304b\u3089\u306a\u3044\u3051\u308c\u3069\u3082\u3001\u7d42\u308f\u308b\u6761\u4ef6\u306f\u660e\u78ba\u306a\u5834\u5408\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u3059\u3079\u3066\u306e\u884c\u3092\u8aad\u307f\u53d6\u308b\u6642\u3001\u5f53\u7136\u30d5\u30a1\u30a4\u30eb\u306e\u884c\u6570\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u304c\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u6700\u5f8c\u306b\u9054\u3057\u305f\u306a\u3089\u3070\u7d42\u4e86\u3057\u3066\u3044\u3044\u306e\u3067\u3059\u3002<\/p>\n<h2><span id=\"whilefor\">\uff13\uff0e\u3010\u53c2\u8003\u3011<span>while<\/span>\u6587\u3068<span>for<\/span>\u6587\u3068\u306e\u4f7f\u3044\u5206\u3051<\/span><\/h2>\n<p>Java\u3067\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u884c\u3046\u306b\u306f<span>for<\/span>\u6587\u3082\u4f7f\u3048\u307e\u3059\u3002\u51fa\u6765\u308b\u3053\u3068\u306f\u4f3c\u901a\u3063\u3066\u3044\u307e\u3059\u306e\u3067\u4f7f\u3044\u5206\u3051\u306b\u60a9\u3080\u65b9\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>while\u6587\u30fb<span>for<\/span>\u6587\u306b\u306f\u305d\u308c\u305e\u308c\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u4f7f\u3044\u5206\u3051\u3066\u307f\u3066\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<h3><span id=\"-for\">\uff13-\uff11\uff0efor\u6587\uff1a\u7e70\u308a\u8fd4\u3059\u56de\u6570\u304c\u6c7a\u307e\u3063\u3066\u3044\u308b\u5834\u5408<\/span><\/h3>\n<p>\u59cb\u3081\u3068\u7d42\u308f\u308a\u306e\u7bc4\u56f2\u30fb\u6570\u5b57\u304c\u660e\u78ba\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u306f<span>for<\/span>\u6587\u306e\u51fa\u756a\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u7e70\u308a\u8fd4\u3057\u306e\u56de\u6570\u304c\u3042\u3089\u304b\u3058\u3081\u6c7a\u307e\u3063\u3066\u3044\u305f\u308a\u3001\u901a\u3057\u3067\u51e6\u7406\u3057\u305f\u3044\u914d\u5217\u3084<span>List<\/span>\u304c\u3042\u308b\u306a\u3069\u3067\u3059\u3002<\/p>\n<p>\u4f55\u304b\u3092\u7e70\u308a\u8fd4\u3059\u6642\u306f\u3001\u666e\u901a\u306f\u30ab\u30a6\u30f3\u30bf\u30fc\u7528\u306e\u5909\u6570\u3092\u4f7f\u3044\u307e\u3059\u3002\u305d\u306e\u3088\u3046\u306a\u5909\u6570\u306f\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306e\u4e2d\u3067\u3057\u304b\u4f7f\u308f\u306a\u3044\u3053\u3068\u304c\u591a\u3044\u3082\u306e\u3067\u3059\u3002<span>for<\/span>\u6587\u306e\u521d\u671f\u5316\u5f0f\u3067\u30ab\u30a6\u30f3\u30bf\u30fc\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308c\u3070\u3001<span>for<\/span>\u6587\u306e\u5916\u304b\u3089\u306f\u4f7f\u3048\u306a\u3044\u5909\u6570\u3068\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5168\u4f53\u304c\u8aad\u307f\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u306b\u3001<span>for<\/span>\u6587\u306f\u7e70\u308a\u8fd4\u3057\u5185\u3067\u5fc5\u305a\u5b9f\u884c\u3055\u308c\u308b\u53cd\u5fa9\u5f0f\u3067\u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u5897\u6e1b\u3055\u305b\u3089\u308c\u307e\u3059\u306e\u3067\u3001\u3069\u3053\u3067\u30ab\u30a6\u30f3\u30bf\u30fc\u304c\u7ba1\u7406\u3055\u308c\u3066\u3044\u308b\u304b\u304c\u5927\u5909\u5206\u304b\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\/\/ i\u306ffor\u6587\u306e\u4e2d\u3060\u3051\u306a\u306e\u3067\u3001\u5f8c\u308d\u3067\u3082i\u3068\u3044\u3046\u5909\u6570\u3092\u4f7f\u3048\u308b\r\n\/\/ \u53cd\u5fa9\u5f0f\u306f\u5fc5\u305a\u5b9f\u884c\u3055\u308c\u308b\u306e\u3067\u3001\u30ab\u30a6\u30f3\u30bf\u30fc\u306e\u5897\u6e1b\u306b\u306f\u3082\u3063\u3066\u3053\u3044!!\r\nfor (int i = 0; i &lt; 5; i++) {\r\n\tSystem.out.println(i);\r\n}<\/pre>\n<p>while\u6587\u3060\u3068\u3001\u30ab\u30a6\u30f3\u30bf\u30fc\u3068\u3057\u3066\u7528\u3044\u308b\u5909\u6570\u3092<span>while<\/span>\u6587\u306e\u5916\u5074\u3067\u5ba3\u8a00\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u306e\u3067\u3001\u4ee5\u5f8c\u306f\u305d\u306e\u5909\u6570\u3092\u65b0\u3057\u304f\u5ba3\u8a00\u3067\u304d\u307e\u305b\u3093\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u5168\u4f53\u3067<span>1<\/span>\u3064\u306e\u5909\u6570\u3092\u8907\u6570\u306e\u5f79\u5272\u3067\u4f7f\u3044\u307e\u308f\u3059\u306e\u306f\u3001\u30df\u30b9\u306e\u539f\u56e0\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u3002<\/p>\n<p>\u305d\u308c\u306b\u3001<span>while<\/span>\u6587\u3067\u306f\u30ab\u30a6\u30f3\u30bf\u30fc\u5909\u6570\u306e\u66f4\u65b0\u3092\u3057\u5fd8\u308c\u308b\u306e\u306f<span>for<\/span>\u6587\u4ee5\u4e0a\u3067\u3059\u3002\u3053\u308c\u306f\u826f\u304f\u3042\u308b\u300c\u3046\u3063\u304b\u308a\u30df\u30b9\u300d\u306e\u4e00\u3064\u3067\u3059\u304c\u3001<span>while<\/span>\u6587\u306f\u69cb\u6587\u4e0a\u3067\u300c\u666e\u901a\u306f\u3053\u3053\u3067\u52a0\u6e1b\u7b97\u3092\u3084\u308b\u300d\u3068\u3044\u3046\u7b87\u6240\u304c\u3042\u308a\u307e\u305b\u3093\u306e\u3067\u3001\u5b9f\u969b\u306b\u5fd8\u308c\u3066\u3057\u307e\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\/\/ \u3053\u3053\u3067i\u3092\u5ba3\u8a00\u3057\u3066\u3057\u307e\u3046\u3068\u3001\u4ee5\u5f8c\u306fi\u3068\u3044\u3046\u5909\u6570\u3092\u65b0\u3057\u304f\u5ba3\u8a00\u3067\u304d\u306a\u3044!!\r\nint i = 0;\r\n\r\nwhile (i &lt; 5) {\r\n\tSystem.out.println(i);\r\n\ti++; \/\/ \u3053\u306e++\u3092\u5fd8\u308c\u308b\u306e\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u30df\u30b9\u306e\u3042\u308b\u3042\u308b\u3001\u5b9f\u969b\u5fd8\u308c\u304c\u3061!!\r\n}<\/pre>\n<h3><span id=\"-while-3\">\uff13-\uff12\uff0ewhile\u6587\uff1a\u7e70\u308a\u8fd4\u3057\u56de\u6570\u304c\u6c7a\u307e\u3063\u3066\u3044\u306a\u3044\u5834\u5408<\/span><\/h3>\n<p>\u7e70\u308a\u8fd4\u3057\u3092\u3059\u308b\u56de\u6570\u304c\u4e8b\u524d\u306b\u6c7a\u307e\u3089\u305a\u3001\u4f55\u304b\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u306a\u3089\u305a\u3063\u3068\u5b9f\u884c\u3059\u308b\u3088\u3046\u306a\u3082\u306e\u306f<span>while<\/span>\u6587\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002\u3053\u306e\u5834\u5408\u306f\u3001\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u4f55\u304b\u306e\u51e6\u7406\u306e\u7d50\u679c\u3001\u305d\u308c\u81ea\u4f53\u304c\u6761\u4ef6\u5f0f\u3068\u3057\u3066\u4f7f\u3048\u308b\u3082\u306e\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u969b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u826f\u304f\u898b\u3089\u308c\u308b\u306e\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\/\/ \u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u3080\u3053\u3080\u305f\u3081\u306bBufferedReader\u3092\u751f\u6210\r\nBufferedReader br = new BufferedReader(new FileReader(file));\r\nString line = null;\r\n\r\n\/\/ BufferedReader\u304b\u30891\u884c\u305a\u3064\u8aad\u307f\u8fbc\u307f\u306a\u304c\u3089\u2026\r\nwhile ((line = br.readLine()) != null) {  \r\n\t\/\/ \u8aad\u307f\u53d6\u3063\u305f\u884c\u3092\u4f7f\u3063\u3066\u4f55\u304b\u3092\u51e6\u7406\u3059\u308b\r\n}<\/pre>\n<p>\u30d1\u30c3\u3068\u898b\u3067\u3001\u4f55\u3092\u3057\u3066\u3044\u308b\u306e\u304b\u308f\u304b\u3089\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3053\u308c\u306f<span>BufferedReader<\/span>\u304b\u3089<span>1<\/span>\u884c\u305a\u3064\u8aad\u307f\u53d6\u3063\u3066<span>(readLine)<\/span>\u3001\u4f55\u304b\u51e6\u7406\u3092\u3059\u308b\u3082\u306e\u3067\u3059\u3002<span>readLine<\/span>\u306f\u6700\u7d42\u884c\u306b\u9054\u3059\u308b\u3068<span>null<\/span>\u3092\u623b\u3059\u306e\u3067\u3001\u305d\u308c\u3092\u6761\u4ef6\u5f0f\u3067\u306e\u7d42\u4e86\u6761\u4ef6\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u8aad\u307f\u8fbc\u3080\u3079\u304d\u884c\u6570\u306f\u4e8b\u524d\u306b\u5206\u304b\u3089\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u7d42\u308f\u308b\u6761\u4ef6\u306f\u660e\u78ba<span>(readLine<\/span>\u304c<span>null<\/span>\u3092\u623b\u3059<span>)<\/span>\u3001\u304b\u3064\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u7d42\u308f\u308a\u304c\u5fc5\u305a\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u3092<span>1<\/span>\u3064\u306e\u6761\u4ef6\u5f0f\u3067\u5909\u6570\u3078\u306e\u4ee3\u5165\u3092\u542b\u3081\u3066\u30b7\u30f3\u30d7\u30eb\u306b\u8868\u73fe\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>for\u6587\u3067\u3082\u4f3c\u305f\u611f\u3058\u3067\u66f8\u3051\u307e\u3059\u304c\u3001\u3053\u306e\u51e6\u7406\u81ea\u4f53\u306b\u30ab\u30a6\u30f3\u30bf\u30fc\u5909\u6570\u3084\u305d\u306e\u7ba1\u7406\u304c\u4e0d\u8981\u306a\u306e\u3067\u3001<span>for<\/span>\u6587\u306e<span>;;<\/span>\u306f\u4f59\u8a08\u306b\u601d\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002<span>while<\/span>\u6587\u306e\u65b9\u304c\u3001\u3084\u308a\u305f\u3044\u3053\u3068\u306e\u610f\u56f3\u304c\u826f\u304f\u4f1d\u308f\u308b\u3068\u601d\u3044\u307e\u305b\u3093\u304b<span>?<\/span><\/p>\n<h2><span id=\"i-2\">\uff14\uff0e\u307e\u3068\u3081<\/span><\/h2>\n<p>while\u6587\u306f\u3001\u6761\u4ef6\u5f0f\u3067\u6c7a\u3081\u3089\u308c\u305f\u6761\u4ef6\u3092\u6e80\u305f\u3059\u9593\u3001\u51e6\u7406\u90e8\u3092\u305a\u3063\u3068\u5b9f\u884c\u3057\u7d9a\u3051\u308b\u7e70\u308a\u8fd4\u3057\u69cb\u6587\u3067\u3059\u3002\u69cb\u6587\u306f\u30b7\u30f3\u30d7\u30eb\u306a\u3082\u306e\u3067\u3059\u304c\u3001<span>Java<\/span>\u306e\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3067\u306f\u306a\u304f\u3066\u306f\u306a\u3089\u306a\u3044\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>while\u6587\u3068<span>for<\/span>\u6587\u306f\u6a5f\u80fd\u3082\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4e2d\u3067\u81ea\u7136\u306b\u4f7f\u3048\u308b\u7b87\u6240\u306f\u5c11\u3057\u3060\u3051\u9055\u3044\u307e\u3059\u3002\u305d\u306e\u5c11\u3057\u306e\u9055\u3044\u304c\u30d7\u30ed\u30b0\u30e9\u30e0\u30df\u30b9\u306b\u7e4b\u304c\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u9055\u3044\u306b\u306f\u6c17\u3092\u4ed8\u3051\u305f\u3044\u3067\u3059\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>while\u6587\u306fJava\u3067\u7e70\u308a\u8fd4\u3057\u3092\u3059\u308b\u305f\u3081\u306e\u69cb\u6587\u306e\u4e00\u3064\u3067\u3059\u3002 \u4f55\u304b\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u9593\u3001\u305a\u3063\u3068\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3057\u7d9a\u3051\u308b\u3082\u306e\u3067\u3059\u3002 while\u6587\u306ffor\u6587\u3088\u308a\u30b7\u30f3\u30d7\u30eb\u306a\u69cb\u6587\u3067\u3059\u306e\u3067\u3001\u30b3\u30c4\u304c\u5206\u304b\u308c\u3070\u3059\u3050\u4f7f\u3048\u307e\u3059\u3002 \u3053\u306e\u8a18\u4e8b\u306f\u521d [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":804,"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\/1112"}],"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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/comments?post=1112"}],"version-history":[{"count":7,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts\/1112\/revisions"}],"predecessor-version":[{"id":5714,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts\/1112\/revisions\/5714"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/media\/804"}],"wp:attachment":[{"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/media?parent=1112"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/categories?post=1112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}