{"id":5008,"date":"2015-05-19T08:31:07","date_gmt":"2015-05-18T23:31:07","guid":{"rendered":"http:\/\/programminglanguage7.com\/?p=5008"},"modified":"2015-05-20T12:14:24","modified_gmt":"2015-05-20T03:14:24","slug":"post-5008","status":"publish","type":"post","link":"https:\/\/programminglanguage7.com\/?p=5008","title":{"rendered":"\u6587\u5b57\u5217\u3092\u64cd\u4f5c\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u77e5\u308d\u3046"},"content":{"rendered":"<p><span style=\"font-size: 14pt;\">\u3053\u306e\u7ae0\u3067\u306f\u6587\u5b57\u5217\u306b\u95a2\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt; background-color: #ffff00;\">\u5148\u307b\u3069\u306f\u81ea\u8eab\u3067\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u304c\u3001\u3053\u3053\u3067\u8aac\u660e\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u306fJava\u3067\u3042\u3089\u304b\u3058\u3081\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">Java\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u4ed5\u7d44\u307f\u306f\u30a8\u30af\u30bb\u30eb\u306e\u95a2\u6570\u306e\u4ed5\u7d44\u307f\u3068\u610f\u5473\u306f\u540c\u3058\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u30a8\u30af\u30bb\u30eb\u3092\u3054\u5b58\u77e5\u306e\u65b9\u306f\u308f\u304b\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u4f8b\u3048\u3070\u30a8\u30af\u30bb\u30eb\u95a2\u6570\u306bSUM\u3068\u8a00\u3046\u95a2\u6570\u304c\u6709\u308a\u307e\u3059\u304c\u3001\u3053\u306e\u95a2\u6570\u306f\u6307\u5b9a\u3057\u305f\u7bc4\u56f2\u306e\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u3044\u3066\u8db3\u3057\u7b97\u3092\u884c\u3046\u95a2\u6570\u3067\u3059\u3002\u4f8b\u3048\u3070\u6307\u5b9a\u3057\u305f\u7bc4\u56f2\u306e\u5f15\u6570\u304c3,5,7\u3067\u3042\u308b\u306a\u3089\u3070\u7d50\u679c\u306f15\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">SUM\u306b\u306f\u521d\u3081\u304b\u3089\u6307\u5b9a\u3057\u305f\u7bc4\u56f2\u306e\u8db3\u3057\u7b97\u3092\u884c\u3046\u3068\u8a00\u3046\u4ed5\u7d44\u307f\u304c\u5099\u308f\u3063\u3066\u3044\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3064\u307e\u308a\u3001\u30a8\u30af\u30bb\u30eb\u306e\u5185\u90e8\u6a5f\u69cb\u3067SUM\u306e\u6a5f\u80fd\u306f\u6307\u5b9a\u3057\u305f\u7bc4\u56f2\u306e\u8db3\u3057\u7b97\u3092\u884c\u3046\u3068\u8a00\u3046\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u3055\u308c\u3066\u3044\u308b\u3068\u8a00\u3046\u3053\u3068\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3053\u308c\u304c\u95a2\u6570\u306e\u610f\u5473\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">Java\u306b\u306f\u3053\u306e\u3088\u3046\u306b\u6a5f\u80fd\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u30e1\u30bd\u30c3\u30c9\u304c\u591a\u6570\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u3053\u306e\u7ae0\u3067\u306f\u6587\u5b57\u5217\u306b\u95a2\u4fc2\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u53d6\u308a\u4e0a\u3052\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u4f8b\u3048\u3070\u6587\u5b57\u5217\u306e\u4e00\u90e8\u3092\u53d6\u308a\u51fa\u3057\u305f\u308a\u3001\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u8a08\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u6b21\u306e\u4f8b\u3067\u306f\u30e6\u30fc\u30b6\u30fc\u306b\u5165\u529b\u3055\u305b\u305f\u6587\u5b57\u304c\u53cd\u5bfe\u304b\u3089\u8aad\u3093\u3067\u3082\u540c\u3058\u6587\u5b57\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6d41\u308c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3007\u30e6\u30fc\u30b6\u30fc\u306b\u6587\u5b57\u3092\u5165\u529b\u3055\u305b\u308b<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3007\u5165\u529b\u3057\u305f\u6587\u5b57\u3092\u53cd\u5bfe\u306b\u4e26\u3073\u66ff\u3048\u308b<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3007\u30e6\u30fc\u30b6\u30fc\u304c\u5165\u529b\u3057\u305f\u6587\u5b57\u3068\u53cd\u5bfe\u306b\u4e26\u3073\u66ff\u3048\u305f\u6587\u5b57\u304c\u540c\u3058\u304b\u3069\u3046\u304b\u3092\u6bd4\u3079\u308b\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3067\u306f\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13674.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5009\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13674-300x157.jpg\" alt=\"1\" width=\"329\" height=\"172\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13674-300x157.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13674.jpg 533w\" sizes=\"(max-width: 329px) 100vw, 329px\" \/><\/a><a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13675.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5010\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13675-300x240.jpg\" alt=\"1\" width=\"326\" height=\"261\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13675-300x240.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13675.jpg 526w\" sizes=\"(max-width: 326px) 100vw, 326px\" \/><\/a><\/span><a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13676.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5011\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13676-300x197.jpg\" alt=\"1\" width=\"324\" height=\"213\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13676-300x197.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13676.jpg 495w\" sizes=\"(max-width: 324px) 100vw, 324px\" \/><\/a><a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13677.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5012\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13677-300x141.jpg\" alt=\"1\" width=\"334\" height=\"157\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13677-300x141.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13677.jpg 490w\" sizes=\"(max-width: 334px) 100vw, 334px\" \/><\/a> <span style=\"font-size: 14pt;\">\u3067\u306f\u9806\u756a\u306b\u89e3\u8aac\u3092\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3007\u30e6\u30fc\u30b6\u30fc\u306b\u6587\u5b57\u3092\u5165\u529b\u3055\u305b\u308b\u306e\u3067\u3059\u304c\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u5165\u529b\u3055\u305b\u308b\u305f\u3081\u306b\u306f\u4ee5\u4e0b\u306e\u8a18\u8ff0\u304c\u5fc5\u8981\u3067\u3042\u308b\u3053\u3068\u306f<a title=\"if\u6587\u3067\u661f\u5ea7\u3092\u5224\u5b9a\u3057\u3088\u3046\" href=\"https:\/\/programminglanguage7.com\/?p=4710\" target=\"_blank\">\u300cif\u6587\u3067\u661f\u5ea7\u3092\u5224\u5b9a\u3057\u3088\u3046\u300d<\/a>\u3067\u8aac\u660e\u3057\u307e\u3057\u305f(BufferedReader\u30af\u30e9\u30b9\u306e\u8aac\u660e\u306f<a title=\"\u30ad\u30fc\u30dc\u30fc\u30c9\u306e\u5165\u529b\u306e\u5024\u3092\u53d7\u3051\u53d6\u308d\u3046\" href=\"https:\/\/programminglanguage7.com\/?p=5420\" target=\"_blank\">\u300c\u30ad\u30fc\u30dc\u30fc\u30c9\u306e\u5165\u529b\u306e\u5024\u3092\u53d7\u3051\u53d6\u308d\u3046\u300d<\/a>\u3067\u8aac\u660e\u3057\u307e\u3059)\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13678.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5013\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13678-300x81.jpg\" alt=\"1\" width=\"300\" height=\"81\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13678-300x81.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13678.jpg 506w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u3053\u3053\u3067\u306f\u30e6\u30fc\u30b6\u30fc\u306b\u5165\u529b\u3055\u305b\u305f\u6587\u5b57\u3092a\u5909\u6570\u306b\u5165\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3007\u6b21\u306f\u5165\u529b\u3057\u305f\u6587\u5b57\u3092\u53cd\u5bfe\u306b\u4e26\u3073\u63db\u3048\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u5165\u529b\u3057\u305f\u6587\u5b57\u3092<span style=\"background-color: #ffff00;\">charAt\u30e1\u30bd\u30c3\u30c9<\/span>\u3092\u4f7f\u7528\u3057\u3066\u3001\u672b\u5c3e\u304b\u3089\u4e00\u6587\u5b57\u305a\u3064\u53d6\u308a\u51fa\u3057\u3066\u53cd\u5bfe\u6587\u5b57\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">charAt\u30e1\u30bd\u30c3\u30c9\u306f\u6307\u5b9a\u3057\u305f\u4f4d\u7f6e\u306b\u3042\u308b\u6587\u5b57\u3092\u53d6\u308a\u51fa\u3059\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u304c\u3001\u57fa\u672c\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13679.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5014\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13679-300x50.jpg\" alt=\"1\" width=\"324\" height=\"54\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13679-300x50.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13679.jpg 494w\" sizes=\"(max-width: 324px) 100vw, 324px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u4f8b\u3048\u3070\u300cANA\u300d\u3068\u5165\u529b\u3057\u305f\u3068\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u672b\u5c3e\u306eA\u3092\u53d6\u308a\u51fa\u3057\u305f\u3044\u5834\u5408\u306b\u306f<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13680.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5015\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13680.jpg\" alt=\"1\" width=\"220\" height=\"37\" \/><\/a>\u3068\u66f8\u304d\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u6570\u3048\u65b9\u306f\u524d\u304b\u30890,1,2\u2026\u3068\u6570\u3048\u307e\u3059\u30021\u304b\u3089\u6570\u3048\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u306e\u3067\u6c17\u3092\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13681.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5016\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13681.jpg\" alt=\"1\" width=\"174\" height=\"149\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u3067\u306f\u6b21\u306e\u7b87\u6240\u306e\u8aac\u660e\u3092\u3057\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13682.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5017\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13682-300x161.jpg\" alt=\"1\" width=\"300\" height=\"161\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13682-300x161.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13682.jpg 439w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">charAt\u306e\u30ab\u30c3\u30b3\u306e\u4e2d\u306e<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13683.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5018\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13683.jpg\" alt=\"1\" width=\"169\" height=\"38\" \/><\/a>\u306f\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13684.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5019\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13684-300x116.jpg\" alt=\"1\" width=\"300\" height=\"116\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13684-300x116.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13684.jpg 331w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u300cANA\u300d\u3092<span style=\"background-color: #ffff00;\">line.length()<\/span>\u3067\u53d6\u5f97\u3059\u308b\u3068\u6587\u5b57\u5217\u306e\u9577\u3055\u306f3\u306b\u306a\u308a\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3053\u306e\u4f8b\u3067\u306ffor\u6587\u3067\u56de\u3057\u3066\u3044\u308b\u306e\u3067\u3001i\u306b\u306f0\u304b\u3089\u9806\u306b\u6570\u5b57\u304c\u5165\u308a\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13685.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5020\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13685-300x226.jpg\" alt=\"1\" width=\"300\" height=\"226\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13685-300x226.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13685.jpg 377w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u6587\u5b57\u5217\u306e\u9577\u3055\u304b\u3089<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13686.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5021\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13686.jpg\" alt=\"1\" width=\"113\" height=\"37\" \/><\/a>\u3092\u5f15\u304f\u3053\u3068\u3067\u6587\u5b57\u5217\u306e\u672b\u5c3e\u304b\u3089\u9806\u306bmoji\u5909\u6570\u306b\u5165\u308c\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">moji\u5909\u6570\u306b\u306f1\u6587\u5b57\u3057\u304b\u5165\u308c\u306a\u3044\u306e\u3067\u30c7\u30fc\u30bf\u578b\u306fchar\u306b\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u305d\u3057\u3066\u4ee5\u4e0b\u306ehantai\u5909\u6570\u306bmoji\u5909\u6570\u306e\u8981\u7d20\u3092\u3064\u306a\u3052\u3066\u3044\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">hantai += moji;<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">\u3007\u4ee5\u4e0b\u306e\u7b87\u6240\u3067\u30e6\u30fc\u30b6\u30fc\u304c\u5165\u529b\u3057\u305f\u6587\u5b57\u3068\u53cd\u5bfe\u306b\u4e26\u3073\u66ff\u3048\u305f\u6587\u5b57\u304c\u540c\u3058\u304b\u3069\u3046\u304b\u3092\u6bd4\u3079\u3066\u3044\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u6587\u5b57\u5217\u540c\u58eb\u3092\u6bd4\u3079\u3066\u3044\u308b\u306e\u3067equals\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13687.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5022\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13687-300x241.jpg\" alt=\"1\" width=\"300\" height=\"241\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13687-300x241.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13687.jpg 420w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u7d50\u679c\u306f\u300cANA\u300d\u3068\u5165\u529b\u3057\u305f\u3068\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3068\u304a\u308a<\/span><span style=\"font-size: 14pt;\">\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13688.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5023\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13688.jpg\" alt=\"1\" width=\"290\" height=\"129\" \/><\/a><\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3067\u306f\u6b21\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13689.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5024\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13689-300x162.jpg\" alt=\"1\" width=\"300\" height=\"162\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13689-300x162.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13689.jpg 518w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13690.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5025\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13690-300x238.jpg\" alt=\"1\" width=\"300\" height=\"238\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13690-300x238.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13690.jpg 532w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u3053\u306e\u4f8b\u306f\u5909\u6570moji\u304c\u6307\u5b9a\u3057\u305f\u6587\u5b57\u3067\u59cb\u307e\u3063\u3066\u3044\u308b\u306e\u304b\u3001\u3082\u3057\u304f\u306f\u6307\u5b9a\u3057\u305f\u6587\u5b57\u3067\u7d42\u308f\u3063\u3066\u3044\u308b\u306e\u304b\u3092\u78ba\u8a8d\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u6307\u5b9a\u3057\u305f\u6587\u5b57\u3067\u59cb\u307e\u3063\u3066\u3044\u308b\u306e\u304b\u3092\u8abf\u3079\u308b\u30e1\u30bd\u30c3\u30c9\u306f<span style=\"background-color: #ffff00;\">startsWith\u30e1\u30bd\u30c3\u30c9<\/span>\u3067\u3042\u308a\u3001\u6307\u5b9a\u3057\u305f\u6587\u5b57\u3067\u7d42\u308f\u3063\u3066\u3044\u308b\u306e\u304b\u3092\u8abf\u3079\u308b\u306b\u306f<span style=\"background-color: #ffff00;\">endsWith\u30e1\u30bd\u30c3\u30c9<\/span>\u3092\u4f7f\u3044\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13691.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5026\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13691-300x181.jpg\" alt=\"1\" width=\"300\" height=\"181\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13691-300x181.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13691.jpg 548w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">startsWith\u30e1\u30bd\u30c3\u30c9\u306e\u5834\u5408\u306f\u6307\u5b9a\u3057\u305f\u6587\u5b57\u3067\u59cb\u307e\u3063\u3066\u3044\u308c\u3070RUE\u3092\u8fd4\u3057\u3001\u305d\u3046\u3067\u306a\u3044\u306a\u3089\u3070FALSE\u3092\u8fd4\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">endsWith\u30e1\u30bd\u30c3\u30c9\u306e\u5834\u5408\u306f\u6307\u5b9a\u3057\u305f\u6587\u5b57\u3067\u7d42\u308f\u3063\u3066\u3044\u308c\u3070TRUE\u3092\u8fd4\u3057\u3001\u305d\u3046\u3067\u306a\u3044\u306a\u3089\u3070FALSE\u3092\u8fd4\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u69cb\u6587\u306estartsWith\u306e\u4e2d\u306e<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13692.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5027\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13692.jpg\" alt=\"1\" width=\"118\" height=\"31\" \/><\/a>\u306b\u306f\u6574\u6570\u3092\u5165\u308c\u308b\u306e\u3067\u3059\u304c\u3001\u78ba\u8a8d\u3057\u305f\u3044\u6587\u5b57\u5217\u304c<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13692.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5027\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13692.jpg\" alt=\"1\" width=\"118\" height=\"31\" \/><\/a>\u304b\u3089\u59cb\u307e\u3063\u3066\u3044\u308b\u306e\u304b\u3092\u8abf\u3079\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3067\u306f\u8aac\u660e\u3092\u59cb\u3081\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13693.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5028\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13693-300x25.jpg\" alt=\"1\" width=\"300\" height=\"25\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13693-300x25.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13693.jpg 472w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">=&gt;moji\u5909\u6570\u306fko\u304b\u3089\u59cb\u307e\u3063\u3066\u3044\u308b\u306e\u3067\u3001TRUE\u3067\u3059\u3002<\/span><\/p>\n<p><a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13694.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5029\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13694-300x21.jpg\" alt=\"1\" width=\"300\" height=\"21\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13694-300x21.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13694.jpg 479w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <span style=\"font-size: 14pt;\">=&gt; moji\u5909\u6570\u306fdo\u304b\u3089\u59cb\u307e\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u3001FALSE\u3067\u3059\u3002<\/span><\/p>\n<p><a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13695.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5030\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13695-300x22.jpg\" alt=\"1\" width=\"300\" height=\"22\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13695-300x22.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13695.jpg 502w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <span style=\"font-size: 14pt;\">=&gt;3\u306f\u300ckondou\u300d\u306e\u524d\u304b\u3089\u6570\u3048\u3066d\u306e\u4f4d\u7f6e\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">do\u304c3\u306e\u4f4d\u7f6e\u304b\u3089\u59cb\u307e\u3063\u3066\u3044\u308b\u306e\u304b\u3092\u8abf\u3079\u3066\u3044\u307e\u3059\u306e\u3067\u3001TRUE\u3067\u3059\u3002<\/span><\/p>\n<p><a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13723.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5060\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13723-300x26.jpg\" alt=\"1\" width=\"300\" height=\"26\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13723-300x26.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13723.jpg 411w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <span style=\"font-size: 14pt;\">=&gt; moji\u5909\u6570\u306fou\u3067\u7d42\u308f\u3063\u3066\u3044\u308b\u306e\u3067\u3001TRUE\u3067\u3059\u3002<\/span><\/p>\n<p><a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13696.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5031\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13696-300x26.jpg\" alt=\"1\" width=\"300\" height=\"26\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13696-300x26.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13696.jpg 478w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <span style=\"font-size: 14pt;\">=&gt; moji\u5909\u6570\u306fdo\u3067\u7d42\u308f\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u3001FALSE\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u4f8b\u3048\u3070\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6761\u4ef6\u5f0f\u3067\u4f7f\u3044\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13697.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5032\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13697-300x84.jpg\" alt=\"1\" width=\"300\" height=\"84\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13697-300x84.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13697.jpg 478w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u3082\u3057\u3001\u6761\u4ef6\u5f0f\u304cTRUE\u3067\u3042\u308c\u3070\u3001if\u6587\u3092\u5b9f\u884c\u3057\u3066\u3001FALSE\u3067\u3042\u308c\u3070if\u6587\u3092\u5b9f\u884c\u3057\u307e\u305b\u3093\u3002<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">\u6b21\u306findexOf\u30e1\u30bd\u30c3\u30c9\u3001lastIndexOf\u30e1\u30bd\u30c3\u30c9\u3001substring\u30e1\u30bd\u30c3\u30c9\u3001split\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3067\u306f\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13698.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5033\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13698-300x191.jpg\" alt=\"1\" width=\"300\" height=\"191\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13698-300x191.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13698.jpg 513w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13699.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5034\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13699-300x256.jpg\" alt=\"1\" width=\"300\" height=\"256\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13699-300x256.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13699.jpg 499w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13700.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5035\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13700-279x300.jpg\" alt=\"1\" width=\"289\" height=\"311\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13700-279x300.jpg 279w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13700.jpg 533w\" sizes=\"(max-width: 289px) 100vw, 289px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u521d\u3081\u306b<span style=\"background-color: #ffff00;\">indexOf\u30e1\u30bd\u30c3\u30c9<\/span>\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13701.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5036\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13701-300x45.jpg\" alt=\"1\" width=\"346\" height=\"52\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13701-300x45.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13701.jpg 563w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">indexOf\u30e1\u30bd\u30c3\u30c9\u306f\u6587\u5b57\u5217\u306e\u4e2d\u3067\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u304c\u521d\u3081\u306b\u4f55\u756a\u76ee\u306b\u73fe\u308c\u308b\u304b\u30920\u304b\u3089\u6570\u3048\u305f\u4f4d\u7f6e\u756a\u53f7\u3067\u8fd4\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u300c-1\u300d\u3092\u8fd4\u3057\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13702.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5037\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13702-300x76.jpg\" alt=\"1\" width=\"355\" height=\"90\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13702-300x76.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13702.jpg 514w\" sizes=\"(max-width: 355px) 100vw, 355px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">indexOf\u306e\u7b2c2\u5f15\u6570\u306b\u691c\u7d22\u3092\u958b\u59cb\u3059\u308b\u4f4d\u7f6e\u756a\u53f7\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u7b2c2\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u4f4d\u7f6e\u304b\u3089\u691c\u7d22\u3092\u59cb\u3081\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u521d\u3081\u306b\u7b2c1\u5f15\u6570\u306e\u307f\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13703.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5038\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13703-300x115.jpg\" alt=\"1\" width=\"300\" height=\"115\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13703-300x115.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13703.jpg 359w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">=&gt;\u300c&#8221;penpenpen&#8221;\u300d\u306e\u4e2d\u3067<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13704.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5039\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13704.jpg\" alt=\"1\" width=\"105\" height=\"34\" \/><\/a>\u304c\u521d\u3081\u306b\u898b\u3064\u304b\u3063\u305f\u4f4d\u7f6e\u3092\u8fd4\u3059\u306e\u3067\u30010\u304cb\u306b\u5165\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8d64\u3067\u56f2\u307e\u308c\u3066\u3044\u308b\u4f4d\u7f6e\u306b\u4e00\u81f4\u3059\u308b\u306e\u30670\u3092\u8fd4\u3057\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13705.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5040\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13705.jpg\" alt=\"1\" width=\"164\" height=\"36\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u6b21\u306b\u7b2c1\u5f15\u6570\u3068\u7b2c2\u5f15\u6570\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13706.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5041\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13706-300x129.jpg\" alt=\"1\" width=\"300\" height=\"129\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13706-300x129.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13706.jpg 319w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">=&gt; indexOf\u306b\u7b2c2\u5f15\u6570\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u7b2c 2\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u4f4d\u7f6e\u304b\u3089\u691c\u7d22\u3092\u59cb\u3081\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3053\u306e\u4f8b\u3067\u306f3\u306a\u306e\u3067\u3001\u524d\u304b\u30894\u756a\u76ee\u306e\u4f4d\u7f6e\u304b\u3089\u3001\u6307\u5b9a\u3057\u305f\u300c&#8221;pen&#8221;\u300d\u306e\u3042\u308b\u4f4d\u7f6e\u3092\u63a2\u3057\u3066\u3001\u305d\u306e\u4f4d\u7f6e\u756a\u53f7\u3092\u8fd4\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3064\u307e\u308a\u3001\u4ee5\u4e0b\u306e\u4f4d\u7f6e\u304b\u3089\u691c\u7d22\u3092\u59cb\u3081\u308b\u306e\u3067\u3001\u7d50\u679c\u306f3\u3067\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13707.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5042\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13707.jpg\" alt=\"1\" width=\"157\" height=\"41\" \/><\/a><\/span><\/p>\n<p><span style=\"font-size: 14pt;\">\u6b21\u306f<span style=\"background-color: #ffff00;\">substring\u30e1\u30bd\u30c3\u30c9<\/span>\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13708.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5043\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13708-300x49.jpg\" alt=\"1\" width=\"337\" height=\"55\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13708-300x49.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13708.jpg 526w\" sizes=\"(max-width: 337px) 100vw, 337px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u6587\u5b57\u5217\u306e\u4e2d\u3067\u7b2c1\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305f\u958b\u59cb\u4f4d\u7f6e\u756a\u53f7\u304b\u3089\u672b\u5c3e\u307e\u3067\u306e\u65b0\u3057\u3044\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13709.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5044\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13709-300x73.jpg\" alt=\"1\" width=\"329\" height=\"80\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13709-300x73.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13709.jpg 520w\" sizes=\"(max-width: 329px) 100vw, 329px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u7b2c1\u5f15\u6570\u3068\u7b2c2\u5f15\u6570\u306e\u4e21\u65b9\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u306f\u3001\u7b2c1\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u4f4d\u7f6e\u304b\u3089\u7b2c2\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u4f4d\u7f6e\u304b\u30891\u3092\u5f15\u3044\u305f\u4f4d\u7f6e\u307e\u3067\u306e\u65b0\u3057\u3044\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u521d\u3081\u306b\u7b2c1\u5f15\u6570\u306e\u307f\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13710.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5045\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13710-300x197.jpg\" alt=\"1\" width=\"300\" height=\"197\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13710-300x197.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13710.jpg 354w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">=&gt;b\u306b\u306f0\u304c\u5165\u3063\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u5148\u982d\u304b\u3089\u672b\u5c3e\u307e\u3067\u306e\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u306e\u3067\u3001\u7d50\u679c\u306f<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13711.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5046\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13711.jpg\" alt=\"1\" width=\"196\" height=\"38\" \/><\/a>\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">indexOf \u3067\u4f4d\u7f6e\u3092\u78ba\u8a8d\u3057\u3066\u3001substring\u3067\u6587\u5b57\u5217\u3092\u53d6\u308a\u51fa\u3059\u30b1\u30fc\u30b9\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u306e\u3067\u899a\u3048\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u6b21\u306e\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13712.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5047\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13712-300x218.jpg\" alt=\"1\" width=\"300\" height=\"218\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13712-300x218.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13712.jpg 320w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">substring \u306f b\u306e\u4f4d\u7f6e\u304b\u3089\u672b\u5c3e\u307e\u3067\u306e\u6587\u5b57\u5217\u3092\u8fd4\u3059\u306e\u3067\u3001\u7d50\u679c\u306f<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13713.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5048\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13713.jpg\" alt=\"1\" width=\"137\" height=\"38\" \/><\/a>\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u6b21\u306f\u7b2c1\u5f15\u6570\u3068\u7b2c2\u5f15\u6570\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13714.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5049\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13714-300x127.jpg\" alt=\"1\" width=\"300\" height=\"127\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13714-300x127.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13714.jpg 318w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u7b2c1\u5f15\u6570\u3068\u7b2c2\u5f15\u6570\u306e\u4e21\u65b9\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u306f\u7b2c1\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u4f4d\u7f6e\u304b\u3089\u7b2c2\u5f15\u6570\u3067\u6307\u5b9a\u3057\u305f\u4f4d\u7f6e\u304b\u30891\u3092\u5f15\u3044\u305f\u4f4d\u7f6e\u307e\u3067\u306e\u65b0\u3057\u3044\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u306e\u3067\u7d50\u679c\u306f<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13715.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5050\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13715.jpg\" alt=\"1\" width=\"80\" height=\"37\" \/><\/a>\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u7b2c2\u5f15\u6570\u306f\u6307\u5b9a\u3057\u305f\u4f4d\u7f6e\u304b\u30891\u3092\u5f15\u3044\u305f\u4f4d\u7f6e\u307e\u3067\u306a\u306e\u3067\u3001e\u307e\u3067\u3067\u306f\u306a\u304f\u3066\u3001d\u307e\u3067\u3067\u3059\u306e\u3067\u6c17\u3092\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">\u6b21\u306f<span style=\"background-color: #ffff00;\">lastIndexOf\u30e1\u30bd\u30c3\u30c9<\/span>\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13716.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5051\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13716-300x45.jpg\" alt=\"1\" width=\"373\" height=\"56\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13716-300x45.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13716.jpg 568w\" sizes=\"(max-width: 373px) 100vw, 373px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">lastIndexOf\u30e1\u30bd\u30c3\u30c9\u306f\u6587\u5b57\u5217\u306e\u4e2d\u3067\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u304c\u6700\u5f8c\u306b\u4f55\u756a\u76ee\u306b\u73fe\u308c\u308b\u304b\u30920\u304b\u3089\u6570\u3048\u305f\u4f4d\u7f6e\u756a\u53f7\u3067\u8fd4\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u300c-1\u300d\u3092\u8fd4\u3057\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13717.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5052\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13717-300x68.jpg\" alt=\"1\" width=\"353\" height=\"80\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13717-300x68.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13717.jpg 572w\" sizes=\"(max-width: 353px) 100vw, 353px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">lastIndexOf\u306e\u691c\u7d22\u3092\u958b\u59cb\u3059\u308b\u4f4d\u7f6e\u756a\u53f7\u306f\u3053\u306e\u6307\u5b9a\u3057\u305f\u4f4d\u7f6e\u304b\u3089\u5148\u982d\u306b\u5411\u304b\u3063\u3066\u691c\u7d22\u3092\u59cb\u3081\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u521d\u3081\u306b\u7b2c1\u5f15\u6570\u306e\u307f\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13718.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5053\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13718-300x204.jpg\" alt=\"1\" width=\"300\" height=\"204\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13718-300x204.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13718.jpg 344w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">=&gt;\u300c&#8221;pen&#8221;\u300d\u304c\u6700\u5f8c\u306b\u73fe\u308c\u308b\u7b87\u6240\u306a\u306e\u3067\u3001lastIndexOf\u306f6\u3092\u8fd4\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">b\u306b\u306f6\u304c\u5165\u3063\u3066\u3044\u308b\u306e\u3067\u3001substring\u306f\u300cpen\u300d\u3092\u8fd4\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u6b21\u306b\u7b2c1\u5f15\u6570\u3068\u7b2c2\u5f15\u6570\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">(\u4e0b\u306e\u4f8b\u306f\u5148\u307b\u3069\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u306f\u3042\u308a\u307e\u305b\u3093)<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13719.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5054\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13719-300x112.jpg\" alt=\"1\" width=\"300\" height=\"112\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13719-300x112.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13719.jpg 374w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u7b2c 2\u5f15\u6570\u306f4\u306a\u306e\u3067\u3001s\u306e\u4f4d\u7f6e\u304b\u3089\u5de6\u306b\u691c\u7d22\u3092\u304b\u3051\u3066\u3001\u521d\u3081\u306b\u898b\u3064\u304b\u3063\u305fa\u306e\u4f4d\u7f6e\u3092\u8fd4\u3057\u307e\u3059\u306e\u3067\u3001\u7d50\u679c\u306f3\u3067\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13720.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5055\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13720.jpg\" alt=\"1\" width=\"147\" height=\"65\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u6b21\u306f<span style=\"background-color: #ffff00;\">split\u30e1\u30bd\u30c3\u30c9<\/span>\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13721.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5056\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13721-300x55.jpg\" alt=\"1\" width=\"344\" height=\"63\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13721-300x55.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13721.jpg 478w\" sizes=\"(max-width: 344px) 100vw, 344px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">split\u30e1\u30bd\u30c3\u30c9\u306f\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u3067\u5206\u5272\u3057\u3066\u3001\u305d\u306e\u5206\u5272\u3057\u305f\u3082\u306e\u3092\u914d\u5217\u3067\u8fd4\u3057\u307e\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13722.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5057\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13722-300x204.jpg\" alt=\"1\" width=\"300\" height=\"204\" 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