{"id":31852,"date":"2023-10-24T12:49:36","date_gmt":"2023-04-28T07:37:24","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java-%e9%9a%8f%e6%9c%ba%e6%95%b0%e7%bb%84\/"},"modified":"2024-05-04T05:45:36","modified_gmt":"2024-05-03T21:45:36","slug":"java-%e9%9a%8f%e6%9c%ba%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java-%e9%9a%8f%e6%9c%ba%e6%95%b0%e7%bb%84\/","title":{"rendered":"JAVA \u968f\u673a\u6570\u7ec4"},"content":{"rendered":"<pre class=\"post-pre\"><code><span class=\"o\">:<\/span><span class=\"n\">qiita<\/span><span class=\"o\">.<\/span><span class=\"na\">rb<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Random<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Arrays<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Collections<\/span><span class=\"o\">;<\/span>\r\n<span class=\"c1\">\/\/java.util.List\u2192\u9806\u5e8f\u4ed8\u304d\u30ea\u30b9\u30c8\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.List<\/span><span class=\"o\">;<\/span>\r\n\r\n <span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">drink<\/span><span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"n\">test1<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n\r\n     <span class=\"kd\">private<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">test1<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"c1\">\/\/rndd\u2192\u540d\u524d\u306f\u81ea\u7531<\/span>\r\n        <span class=\"nc\">Random<\/span> <span class=\"n\">rndd<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Random<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"nc\">Random<\/span> <span class=\"n\">rnd<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Random<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"nc\">Random<\/span> <span class=\"n\">rnddd<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Random<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">neko<\/span> <span class=\"o\">=<\/span> <span class=\"o\">{<\/span><span class=\"s\">\"\u51f6\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"\u5409\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"\u5927\u51f6\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"\u672b\u5409\"<\/span><span class=\"o\">};<\/span>\r\n        <span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">nekoneko<\/span> <span class=\"o\">=<\/span> <span class=\"o\">{<\/span><span class=\"s\">\"\u306d\u3053\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\" \u306d\u3053\uff11\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"\u306d\u3053\uff12\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"\u306d\u30533\"<\/span><span class=\"o\">};<\/span>\r\n        <span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">neko1<\/span> <span class=\"o\">=<\/span> <span class=\"n\">neko<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">neko2<\/span> <span class=\"o\">=<\/span> <span class=\"n\">neko<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">neko3<\/span> <span class=\"o\">=<\/span> <span class=\"n\">nekoneko<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">aa<\/span> <span class=\"o\">=<\/span> <span class=\"o\">{<\/span><span class=\"s\">\"\u306d\u30534\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\" \u306d\u30535\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"\u306d\u30536\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"\u306d\u30537\"<\/span><span class=\"o\">};<\/span>\r\n        <span class=\"nc\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">list<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Arrays<\/span><span class=\"o\">.<\/span><span class=\"na\">asList<\/span><span class=\"o\">(<\/span><span class=\"n\">aa<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"c1\">\/\/\u30ea\u30b9\u30c8\u306e\u4e26\u3073\u3092\u30b7\u30e3\u30c3\u30d5\u30eb\u3057\u307e\u3059<\/span>\r\n        <span class=\"nc\">Collections<\/span><span class=\"o\">.<\/span><span class=\"na\">shuffle<\/span><span class=\"o\">(<\/span><span class=\"n\">list<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"n\">aa<\/span> <span class=\"o\">=<\/span> <span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[])<\/span><span class=\"n\">list<\/span><span class=\"o\">.<\/span><span class=\"na\">toArray<\/span><span class=\"o\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">String<\/span><span class=\"o\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">]);<\/span>\r\n\r\n        <span class=\"c1\">\/\/String[] neko1 = neko.clone();<\/span>\r\n        <span class=\"c1\">\/\/neko.length\u306f\u3001\u767a\u751f\u3055\u305b\u308b\u4e71\u6570\u306e\u4e0a\u9650\u5024<\/span>\r\n        <span class=\"c1\">\/\/length\u2192\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u6c42\u3081\u308b\u3001\u5909\u6570neko\u306e\u9577\u3055<\/span>\r\n        <span class=\"c1\">\/\/nextInt()\u4e71\u6570\u3092\u4f5c\u308b<\/span>\r\n        <span class=\"c1\">\/\/nextInt\u306e()\u306b\u4e71\u6570\u306e\u9650\u754c\u5024(\u5f15\u6570-1)\u3092\u5165\u308c\u308b<\/span>\r\n            <span class=\"kt\">int<\/span> <span class=\"n\">num<\/span> <span class=\"o\">=<\/span> <span class=\"n\">rndd<\/span><span class=\"o\">.<\/span><span class=\"na\">nextInt<\/span><span class=\"o\">(<\/span><span class=\"n\">neko<\/span><span class=\"o\">.<\/span><span class=\"na\">length<\/span><span class=\"o\">);<\/span>\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u4eca\u65e5\u306e\u3042\u306a\u305f\u306e\u904b\u52e2\u306f\uff1f\"<\/span><span class=\"o\">);<\/span>\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">neko<\/span><span class=\"o\">[<\/span><span class=\"n\">num<\/span><span class=\"o\">]);<\/span>\r\n\r\n        <span class=\"k\">for<\/span><span class=\"o\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">b<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"o\">;<\/span> <span class=\"n\">b<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">4<\/span><span class=\"o\">;<\/span> <span class=\"n\">b<\/span><span class=\"o\">++)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"neko1[\"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">b<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"]:\"<\/span> <span class=\"o\">+<\/span><span class=\"n\">neko1<\/span><span class=\"o\">[<\/span><span class=\"n\">b<\/span><span class=\"o\">]);<\/span>\r\n        <span class=\"o\">}<\/span>\r\n\r\n            <span class=\"kt\">int<\/span> <span class=\"n\">c<\/span> <span class=\"o\">=<\/span> <span class=\"n\">rnd<\/span><span class=\"o\">.<\/span><span class=\"na\">nextInt<\/span><span class=\"o\">(<\/span><span class=\"n\">neko2<\/span><span class=\"o\">.<\/span><span class=\"na\">length<\/span><span class=\"o\">);<\/span>\r\n            <span class=\"c1\">\/\/int c\u306b\u30e9\u30f3\u30c0\u30e0\u3067\u6700\u5927\u5024\u304c\u5165\u3063\u305f\u6642\u3001\u6b21\u306e<\/span>\r\n            <span class=\"c1\">\/\/c++\u3067\u884c\u5217\u306e\u7e70\u308a\u8fd4\u3057\u6700\u5927\u6570\u3092\u8d85\u3048\u3066\u3044\u308b<\/span>\r\n            <span class=\"c1\">\/\/neko\u306b\u306f4\u3064\u306e\u5024\u3057\u304b\u5165\u308c\u3066\u306a\u3044\u3001\u305d\u308c\u3092\u8d85\u3048\u305f\u3089\u30a2\u30a6\u30c8<\/span>\r\n            <span class=\"c1\">\/\/\u306a\u306e\u3067\u3001c++;\u3068\u3053\u3053\u306b\u5165\u308c\u306a\u3044\u65b9\u304c\u3044\u3044<\/span>\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">neko2<\/span><span class=\"o\">[<\/span><span class=\"n\">c<\/span><span class=\"o\">]);<\/span>\r\n        <span class=\"c1\">\/\/}<\/span>\r\n\r\n        <span class=\"k\">for<\/span><span class=\"o\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">d<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"o\">;<\/span> <span class=\"n\">d<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">4<\/span><span class=\"o\">;<\/span> <span class=\"n\">d<\/span><span class=\"o\">++)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"neko3[\"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">d<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"]:\"<\/span> <span class=\"o\">+<\/span><span class=\"n\">neko3<\/span><span class=\"o\">[<\/span><span class=\"n\">d<\/span><span class=\"o\">]);<\/span>\r\n        <span class=\"o\">}<\/span>\r\n\r\n        <span class=\"c1\">\/\/\u65e2\u306b\u51fa\u529b\u6e08\u307f\u306e\u5024\u306a\u3089\u30b9\u30ad\u30c3\u30d7\u3059\u308b<\/span>\r\n        <span class=\"c1\">\/\/neko2\u306e\u6700\u5927\u6570\u5206\u51fa\u529b\u3055\u308c\u308b\u307e\u3067\u30eb\u30fc\u30d7\u3057\u7d9a\u3051\u308b<\/span>\r\n\r\n        <span class=\"k\">for<\/span> <span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">str<\/span> <span class=\"o\">:<\/span> <span class=\"n\">aa<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n\r\n\r\n\r\n            <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">print<\/span><span class=\"o\">(<\/span><span class=\"n\">str<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\", \"<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"o\">}<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<span class=\"s\">\"\"<\/span>\r\n\r\n<span class=\"err\">\u25aa\ufe0f<\/span><span class=\"n\">\u5b9f\u884c\u7d50\u679c<\/span>\r\n<span class=\"nc\">Marimo<\/span><span class=\"o\">-<\/span><span class=\"n\">no<\/span><span class=\"o\">-<\/span><span class=\"nc\">MacBook<\/span><span class=\"o\">-<\/span><span class=\"nl\">Air:<\/span><span class=\"n\">java<\/span> <span class=\"n\">marimo<\/span><span class=\"err\">$<\/span> <span class=\"n\">javac<\/span> <span class=\"n\">drink<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span>\r\n<span class=\"nc\">Marimo<\/span><span class=\"o\">-<\/span><span class=\"n\">no<\/span><span class=\"o\">-<\/span><span class=\"nc\">MacBook<\/span><span class=\"o\">-<\/span><span class=\"nl\">Air:<\/span><span class=\"n\">java<\/span> <span class=\"n\">marimo<\/span><span class=\"err\">$<\/span> <span class=\"n\">java<\/span> <span class=\"n\">drink<\/span>\r\n<span class=\"n\">\u4eca\u65e5\u306e\u3042\u306a\u305f\u306e\u904b\u52e2\u306f<\/span><span class=\"err\">\uff1f<\/span>\r\n<span class=\"n\">\u5927\u51f6<\/span>\r\n<span class=\"n\">neko1<\/span><span class=\"o\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">]:<\/span><span class=\"n\">\u51f6<\/span>\r\n<span class=\"n\">neko1<\/span><span class=\"o\">[<\/span><span class=\"mi\">1<\/span><span class=\"o\">]:<\/span><span class=\"n\">\u5409<\/span>\r\n<span class=\"n\">neko1<\/span><span class=\"o\">[<\/span><span class=\"mi\">2<\/span><span class=\"o\">]:<\/span><span class=\"n\">\u5927\u51f6<\/span>\r\n<span class=\"n\">neko1<\/span><span class=\"o\">[<\/span><span class=\"mi\">3<\/span><span class=\"o\">]:<\/span><span class=\"n\">\u672b\u5409<\/span>\r\n<span class=\"n\">\u5409<\/span>\r\n<span class=\"n\">neko3<\/span><span class=\"o\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">]:<\/span><span class=\"n\">\u306d\u3053<\/span>\r\n<span class=\"n\">neko3<\/span><span class=\"o\">[<\/span><span class=\"mi\">1<\/span><span class=\"o\">]:<\/span> <span class=\"n\">\u306d\u3053\uff11<\/span>\r\n<span class=\"n\">neko3<\/span><span class=\"o\">[<\/span><span class=\"mi\">2<\/span><span class=\"o\">]:<\/span><span class=\"n\">\u306d\u3053\uff12<\/span>\r\n<span class=\"n\">neko3<\/span><span class=\"o\">[<\/span><span class=\"mi\">3<\/span><span class=\"o\">]:<\/span><span class=\"n\">\u306d\u30533<\/span>\r\n <span class=\"n\">\u306d\u30535<\/span><span class=\"o\">,<\/span> <span class=\"n\">\u306d\u30534<\/span><span class=\"o\">,<\/span> <span class=\"n\">\u306d\u30537<\/span><span class=\"o\">,<\/span> <span class=\"n\">\u306d\u30536<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Marimo<\/span><span class=\"o\">-<\/span><span class=\"n\">no<\/span><span class=\"o\">-<\/span><span class=\"nc\">MacBook<\/span><span class=\"o\">-<\/span><span class=\"nl\">Air:<\/span><span class=\"n\">java<\/span> <span class=\"n\">marimo<\/span><span class=\"err\">$<\/span> <span class=\"n\">javac<\/span> <span class=\"n\">drink<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span>\r\n<span class=\"nc\">Marimo<\/span><span class=\"o\">-<\/span><span class=\"n\">no<\/span><span class=\"o\">-<\/span><span class=\"nc\">MacBook<\/span><span class=\"o\">-<\/span><span class=\"nl\">Air:<\/span><span class=\"n\">java<\/span> <span class=\"n\">marimo<\/span><span class=\"err\">$<\/span> <span class=\"n\">java<\/span> <span class=\"n\">drink<\/span>\r\n<span class=\"n\">\u4eca\u65e5\u306e\u3042\u306a\u305f\u306e\u904b\u52e2\u306f<\/span><span class=\"err\">\uff1f<\/span>\r\n<span class=\"n\">\u5927\u51f6<\/span>\r\n<span class=\"n\">neko1<\/span><span class=\"o\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">]:<\/span><span class=\"n\">\u51f6<\/span>\r\n<span class=\"n\">neko1<\/span><span class=\"o\">[<\/span><span class=\"mi\">1<\/span><span class=\"o\">]:<\/span><span class=\"n\">\u5409<\/span>\r\n<span class=\"n\">neko1<\/span><span class=\"o\">[<\/span><span class=\"mi\">2<\/span><span class=\"o\">]:<\/span><span class=\"n\">\u5927\u51f6<\/span>\r\n<span class=\"n\">neko1<\/span><span class=\"o\">[<\/span><span class=\"mi\">3<\/span><span class=\"o\">]:<\/span><span class=\"n\">\u672b\u5409<\/span>\r\n<span class=\"n\">\u672b\u5409<\/span>\r\n<span class=\"n\">neko3<\/span><span class=\"o\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">]:<\/span><span class=\"n\">\u306d\u3053<\/span>\r\n<span class=\"n\">neko3<\/span><span class=\"o\">[<\/span><span class=\"mi\">1<\/span><span class=\"o\">]:<\/span> <span class=\"n\">\u306d\u3053\uff11<\/span>\r\n<span class=\"n\">neko3<\/span><span class=\"o\">[<\/span><span class=\"mi\">2<\/span><span class=\"o\">]:<\/span><span class=\"n\">\u306d\u3053\uff12<\/span>\r\n<span class=\"n\">neko3<\/span><span class=\"o\">[<\/span><span class=\"mi\">3<\/span><span class=\"o\">]:<\/span><span class=\"n\">\u306d\u30533<\/span>\r\n <span class=\"n\">\u306d\u30535<\/span><span class=\"o\">,<\/span> <span class=\"n\">\u306d\u30537<\/span><span class=\"o\">,<\/span> <span class=\"n\">\u306d\u30536<\/span><span class=\"o\">,<\/span> <span class=\"n\">\u306d\u30534<\/span>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>:qiita.rb import java.util.Random; import java.util.Arr [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31852","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>JAVA \u968f\u673a\u6570\u7ec4 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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