{"id":5306,"date":"2015-05-19T13:39:12","date_gmt":"2015-05-19T04:39:12","guid":{"rendered":"http:\/\/programminglanguage7.com\/?p=5306"},"modified":"2015-05-20T16:06:12","modified_gmt":"2015-05-20T07:06:12","slug":"post-5306","status":"publish","type":"post","link":"https:\/\/programminglanguage7.com\/?p=5306","title":{"rendered":"\u6a19\u6e96\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066\u77e5\u308d\u3046"},"content":{"rendered":"<p><span style=\"font-size: 14pt;\">\u3053\u306e\u7ae0\u3067\u306f\u6a19\u6e96\u30af\u30e9\u30b9\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\u30af\u30e9\u30b9\u306e\u4f5c\u6210\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3057\u305f\u304c\u3001Java\u306b\u306fMath\u30af\u30e9\u30b9\u306e\u3088\u3046\u306b\u521d\u3081\u304b\u3089\u6a5f\u80fd\u304c\u6e96\u5099\u3055\u308c\u3066\u3044\u308b\u30af\u30e9\u30b9\u304c\u8907\u6570\u3042\u308a\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt; background-color: #ffff00;\"> \u3053\u308c\u3092\u6a19\u6e96\u30af\u30e9\u30b9\u3068\u8a00\u3044\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u4f8b\u3048\u3070Math\u30af\u30e9\u30b9\u306b\u306f\u5e73\u65b9\u6839\u3092\u8a08\u7b97\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3084\u56db\u6368\u4e94\u5165\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">Math\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u304b\u3089\u8aac\u660e\u3092\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">max\u30e1\u30bd\u30c3\u30c9\u306e\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13953.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5307\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13953-300x218.jpg\" alt=\"1\" width=\"365\" height=\"265\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13953-300x218.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13953.jpg 511w\" sizes=\"(max-width: 365px) 100vw, 365px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u7d50\u679c\u306f\u300c20\u300d\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">2\u3064\u306e\u5024\u306e\u4e2d\u3067\u5927\u304d\u3044\u307b\u3046\u3092\u51fa\u529b\u3057\u3066\u304f\u308c\u308b\u306e\u304c<span style=\"background-color: #ffff00;\">Math.max()<\/span>\u3067\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13954.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5308\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13954-300x129.jpg\" alt=\"1\" width=\"363\" height=\"156\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13954-300x129.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13954.jpg 546w\" sizes=\"(max-width: 363px) 100vw, 363px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">max\u30e1\u30bd\u30c3\u30c9\u306e\u4e2d\u306b\u5f15\u65701\u3068\u5f15\u65702\u3092\u30ab\u30f3\u30de\u3092\u631f\u3093\u3067\u5165\u308c\u308b\u30682\u3064\u306e\u5024\u306e\u5185\u3069\u3061\u3089\u306e\u5024\u304c\u5927\u304d\u3044\u304b\u3092\u5224\u65ad\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">max\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u884c\u3057\u305f\u7d50\u679c\u3092\u623b\u308a\u5024\u3068\u8a00\u3044\u307e\u3059\u304c\u3001\u3053\u306e\u4f8b\u3067\u306fmax1\u5909\u6570\u3067\u3053\u306e\u623b\u308a\u5024\u3092\u53d7\u3051\u53d6\u3063\u3066\u3044\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u305d\u3057\u3066\u3001\u6bd4\u8f03\u3059\u308b2\u3064\u306e\u5024\u3068\u623b\u308a\u5024\u3092\u5165\u308c\u308b\u5909\u6570\u306f\u540c\u3058\u578b\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span><br \/>\n<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13955.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5309\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13955-300x26.jpg\" alt=\"1\" width=\"300\" height=\"26\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13955-300x26.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13955.jpg 396w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><span style=\"font-size: 14pt;\">\u3092\u4f8b\u306b\u53d6\u308b\u3068\u5f15\u6570\u306fint\u578b\u3067\u3001\u623b\u308a\u5024\u3092\u5165\u308c\u308b\u578b\u3082int\u578b\u306b\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">\u6b21\u306f<span style=\"background-color: #ffff00;\">min\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\/13956.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5310\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13956-300x218.jpg\" alt=\"1\" width=\"348\" height=\"253\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13956-300x218.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13956.jpg 510w\" sizes=\"(max-width: 348px) 100vw, 348px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">2\u3064\u306e\u5024\u306e\u4e2d\u3067\u5c0f\u3055\u3044\u65b9\u306e\u5024\u3092\u623b\u308a\u5024\u3068\u3057\u3066\u8fd4\u3057\u3066\u304f\u308c\u308b\u306e\u304c<span style=\"background-color: #ffff00;\">Math.min()<\/span>\u3067\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13957.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5311\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13957-300x130.jpg\" alt=\"1\" width=\"372\" height=\"161\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13957-300x130.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13957.jpg 533w\" sizes=\"(max-width: 372px) 100vw, 372px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">min\u30e1\u30bd\u30c3\u30c9\u306e\u4e2d\u306b\u5f15\u65701\u3068\u5f15\u65702\u3092\u30ab\u30f3\u30de\u3092\u631f\u3093\u3067\u5165\u308c\u308b\u30682\u3064\u306e\u5024\u306e\u5185\u3069\u3061\u3089\u306e\u5024\u304c\u5c0f\u3055\u3044\u304b\u3092\u5224\u65ad\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u7d50\u679c\u306f\u300c10\u300d\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">\u6b21\u306f<span style=\"background-color: #ffff00;\">round\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\/13958.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5312\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13958-300x189.jpg\" alt=\"1\" width=\"365\" height=\"230\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13958-300x189.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13958.jpg 515w\" sizes=\"(max-width: 365px) 100vw, 365px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">round\u30e1\u30bd\u30c3\u30c9\u306f\u6307\u5b9a\u3057\u305f\u5024\u3092\u56db\u6368\u4e94\u5165\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13959.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5313\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13959-300x96.jpg\" alt=\"1\" width=\"300\" height=\"96\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13959-300x96.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13959.jpg 414w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u56db\u6368\u4e94\u5165\u3057\u305f\u3044float\u3084double\u306e\u5024\u3092\u5f15\u6570\u306b\u6307\u5b9a\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\"><span style=\"font-size: 18pt;\">round(float\u3000a) ;<\/span>\u306e\u623b\u308a\u5024\u306fint\u578b\u306e\u5909\u6570\u306b\u5165\u308c\u3066\u3001<\/span><br \/>\n<span style=\"font-size: 14pt;\"><span style=\"font-size: 18pt;\">round(double a);<\/span>\u306e\u623b\u308a\u5024\u306flong\u578b\u306e\u5909\u6570\u306b\u5165\u308c\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u7d50\u679c\u306f\u300c3\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">\u6b21\u306f<span style=\"background-color: #ffff00;\">random\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\/13960.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5314\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13960-300x157.jpg\" alt=\"1\" width=\"354\" height=\"185\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13960-300x157.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13960.jpg 527w\" sizes=\"(max-width: 354px) 100vw, 354px\" \/><\/a><\/span> <a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13961.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5315\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13961-300x66.jpg\" alt=\"1\" width=\"300\" height=\"66\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13961-300x66.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13961.jpg 384w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><span style=\"font-size: 14pt;\">0.0\u4ee5\u4e0a1.0\u672a\u6e80\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3092\u623b\u308a\u5024\u3067\u8fd4\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">random\u30e1\u30bd\u30c3\u30c9\u306b\u5f15\u6570\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u7d50\u679c\u306f\u305d\u306e\u6642\u306e\u51fa\u529b\u306b\u3088\u308a\u6bce\u56de\u9055\u3044\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u4f8b\u3048\u30700.6973262509409655\u306e\u3088\u3046\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u3053\u306e\u5024\u3092\u6574\u6570\u3067\u53d7\u3051\u53d6\u308a\u305f\u3044\u5834\u5408\u306b\u306f<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13962.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5316\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13962-300x24.jpg\" alt=\"1\" width=\"300\" height=\"24\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13962-300x24.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13962.jpg 426w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u306e\u3088\u3046\u306b<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13963.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5317\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13963.jpg\" alt=\"1\" width=\"94\" height=\"35\" \/><\/a>\u3067\u30ad\u30e3\u30b9\u30c8\u3057\u3066\u623b\u308a\u5024\u3082int\u3067\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">10\u3092\u639b\u3051\u305f\u5834\u5408\u306b\u306f\uff10\u304b\u3089\uff19\u307e\u3067\u306e\u4e71\u6570\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">\u6b21\u306f<span style=\"background-color: #ffff00;\">sqrt\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\/13964.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-5318\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13964-300x181.jpg\" alt=\"1\" width=\"355\" height=\"214\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13964-300x181.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13964.jpg 543w\" sizes=\"(max-width: 355px) 100vw, 355px\" \/><\/a><a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13965.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5319\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13965-300x63.jpg\" alt=\"1\" width=\"300\" height=\"63\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13965-300x63.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13965.jpg 441w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span> <span style=\"font-size: 14pt;\">\u6307\u5b9a\u3055\u308c\u305f\u5024\u306e\u5e73\u65b9\u6839\u3092\u623b\u308a\u5024\u3067\u8fd4\u3057\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u7d50\u679c\u306f1.7888543819998317\u306b\u306a\u308a\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u6b21\u306fString\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u3053\u308c\u3082\u6a19\u6e96\u30af\u30e9\u30b9\u306e1\u3064\u3067\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">\u666e\u6bb5\u306f\u6587\u5b57\u5217\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306b<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13966.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5320\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13966.jpg\" alt=\"1\" width=\"261\" height=\"39\" \/><\/a>\u3068\u66f8\u3044\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u3092\u66f8\u304d\u63db\u3048\u308b\u3068<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13967.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5321\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13967-300x22.jpg\" alt=\"1\" width=\"300\" height=\"22\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13967-300x22.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13967.jpg 470w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\u3068\u306a\u308a\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">String\u306f\u4eca\u307e\u3067int\u3068\u540c\u3058\u3088\u3046\u306b\u4f7f\u3063\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u5b9f\u306f\u30af\u30e9\u30b9\u306b\u306a\u308a\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">String\u30af\u30e9\u30b9\u306f\u591a\u7528\u3059\u308b\u306e\u3067\u3001<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13968.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-5322\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13968-300x24.jpg\" alt=\"1\" width=\"300\" height=\"24\" srcset=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13968-300x24.jpg 300w, https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13968.jpg 469w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\u306a\u3069\u3068\u66f8\u304f\u306e\u306f\u9762\u5012\u306a\u306e\u3067\u3001<a href=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13969.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5323\" src=\"https:\/\/programminglanguage7.com\/wp-content\/uploads\/2015\/05\/13969.jpg\" alt=\"1\" width=\"261\" height=\"36\" \/><\/a>\u306e\u3088\u3046\u306b\u7c21\u6f54\u306b\u66f8\u3051\u308b\u3088\u3046\u306a\u4ed5\u69d8\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/span><br \/>\n<span style=\"font-size: 14pt;\">String\u30af\u30e9\u30b9\u306a\u3069\u6a19\u6e96\u30af\u30e9\u30b9\u306e\u8a73\u7d30\u3092\u77e5\u308a\u305f\u3044<\/span><span style=\"font-size: 14pt;\">\u5834\u5408\u306fJavaTM Platform 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\u4f8b\u3048\u3070Math\u30af\u30e9\u30b9 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