{"id":128342,"date":"2020-06-20T03:04:23","date_gmt":"2020-06-19T19:04:23","guid":{"rendered":"http:\/\/4563.org\/?p=128342"},"modified":"2020-06-20T03:04:23","modified_gmt":"2020-06-19T19:04:23","slug":"java-new-random-nextintint-bound-%e7%94%9f%e6%88%90%e9%9a%8f%e6%9c%ba%e6%95%b0%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=128342","title":{"rendered":"Java : new Random().nextInt(int bound) \u751f\u6210\u968f\u673a\u6570\u95ee\u9898"},"content":{"rendered":"
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Java : new Random().nextInt(int bound) \u751f\u6210\u968f\u673a\u6570\u95ee\u9898 <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : IMCA1024 <\/span> <\/i> 62<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u76ee\u524d\u6709\u4e2a\u9700\u6c42\u662f: \u67d0\u9879\u4efb\u52a1\u751f\u6210\u540e\uff0c\u9700\u8981\u5206\u914d\u7ed9\u80fd\u5339\u914d\u4e0a\u7684\u4eba\u5458\u3002 \u4eba\u5458\u624b\u4e0a\u7684\u4efb\u52a1\u591a\u5c11\u4e0d\u5f71\u54cd\u4efb\u52a1\u5206\u914d \u4e2a\u4eba\u89c9\u5f97\u5c31\u662f\u4e2a\u968f\u673a\u5206\u914d<\/p>\n

\u4e0d\u77e5\u9053\u4e0b\u9762\u7684\u5904\u7406\u601d\u8def\u662f\u5426\u5408\u7406\uff1f<\/p>\n

\u5904\u7406\u601d\u8def: \u67e5\u8be2\u51fa\u5339\u914d\u4e0a\u7684\u4eba\u5458 list\uff0c \u7136\u540e new Random().nextInt(list.size()); \u9009\u51fa\u4e00\u4f4d\u4eba\u5458 \u8fdb\u884c\u5339\u914d\u3002<\/p>\n

list.size()\u4e3a 0 \u7684\u60c5\u51b5\u4e0d\u7528\u8003\u8651<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (3<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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  • \n
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    \u8cc7\u6df1\u5927\u4f6c : lzxz1234 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5b8c\u5168\u968f\u673a\u4e0d\u5982\u8f6e\u8be2\uff0c\u8bb0\u5f55\u4e00\u4e0b\u8f6e\u5230\u8c01\u4e86\uff0c\u4e00\u4e2a\u4e00\u4e2a\u5f80\u540e\u5206\u5c31\u53ef\u4ee5\u4e86\uff0c\u52a0\u4e86\u4e00\u70b9\u590d\u6742\u5ea6\u4f46\u66f4\u5408\u7406 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : wysnylc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u968f\u673a\u5206\u914d\u53d6\u51b3\u4e8e\u5339\u914d\u51fa\u591a\u4e2a\u4eba\u5458\u65f6,\u6b63\u5e38\u5206\u914d\u539f\u5219\u80af\u5b9a\u662f\u6309\u4efb\u52a1\u6570\u5c11\u7684\u4f18\u5148\u5206\u914d
    \u8981\u4e0d\u7136\u5168\u968f\u673a\u5230\u4e00\u4e2a\u4eba\u90a3\u4e0d\u662f\u70b8\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : LukeChien <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    Collections.shuffle() \u53c2\u8003\u4e00\u4e0b <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    Java : new Random…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/128342"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=128342"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/128342\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=128342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=128342"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=128342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}