Java\u7a0b\u5e8f\u901a\u8fc7\u63a7\u5236\u8bed\u53e5\u6765\u6267\u884c\u7a0b\u5e8f\u6d41\uff0c\u5b8c\u6210\u4e00\u5b9a\u7684\u4efb\u52a1\u3002
\n\u7a0b\u5e8f\u6d41\u662f\u7531\u82e5\u5e72\u4e2a\u8bed\u53e5\u7ec4\u6210\u7684\uff0c\u8bed\u53e5\u53ef\u4ee5\u662f\u5355\u4e00\u7684\u4e00\u6761\u8bed\u53e5\uff0c\u5982c=a+b,\u4e5f\u53ef\u4ee5\u662f\u7528\u5927\u62ec\u53f7{}\u62ec\u8d77\u6765\u7684\u4e00\u4e2a\u590d\u5408\u8bed\u53e5\u3002
\n\u8bed\u53e5\u5757\u53ef\u4ee5\u5d4c\u5957\uff0c\u5d4c\u5957\u5c42\u6570\u65e0\u9650\u5236
\n\u5b9a\u4e49\u7c7b\u65f6\u7c7b\u4f53\u5fc5\u987b\u91c7\u7528\u8bed\u53e5\u5757\u5f62\u5f0f
\n\u5b9a\u4e49\u65b9\u6cd5\u65f6\u65b9\u6cd5\u4f53\u5fc5\u987b\u91c7\u7528\u8bed\u53e5\u5757\u7684\u5f62\u5f0f<\/p>\n
\u8868\u8fbe\u5f0f\u662f\u7531\u8fd0\u7b97\u7b26\u3001\u64cd\u4f5c\u6570\u548c\u51fd\u6570\u7b49\u7ec4\u6210\u7684\u7b97\u5f0f\u3002\u5176\u663e\u8457\u7279\u70b9\u662f\u6709\u8fd4\u56de\u503c\uff0c\u5373\u8868\u8fbe\u5f0f\u7684\u503c\u3002\u8868\u8fbe\u5f0f\u8fd4\u56de\u503c\u7684\u6570\u636e\u7c7b\u578b\u53d6\u51b3\u4e8e\u8868\u8fbe\u5f0f\u7684\u64cd\u4f5c\u6570\u548c\u8fd0\u7b97\u7c7b\u578b\u3002<\/p>\n
\u8868\u8fbe\u5f0f\u8bed\u53e5\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n
\u8868\u8fbe\u5f0f\u8bed\u53e5\uff1a\u8d4b\u503c\u8868\u8fbe\u5f0f\u8bed\u53e5\u3001\u65b9\u6cd5\u8c03\u7528\u8bed\u53e5\u3001\u5bf9\u8c61\u521b\u5efa\u8bed\u53e5\u3001\u53d8\u91cf\u58f0\u660e\u8bed\u53e5\u3001\u81ea\u589e\u8bed\u53e5\u3002<\/p>\n
\u5206\u652f\u8bed\u53e5\u5b9e\u73b0\u7a0b\u5e8f\u6d41\u7a0b\u63a7\u5236\u7684\u529f\u80fd \uff0c\u5373\u6839\u636e\u4e00\u5b9a\u7684\u6761\u4ef6\u6709\u9009\u62e9\u5730\u6267\u884c\u6216\u8df3\u8fc7\u7279\u5b9a\u7684\u8bed\u53e5
\nJava\u5206\u652f\u8bed\u53e5\u5206\u7c7b\uff1a
\n\u2605 if\u8bed\u53e5
\n\u2605 if-else \u8bed\u53e5
\n\u2605 if-else if\u8bed\u53e5
\n\u2605 switch \u8bed\u53e5<\/p>\n
if\u8bed\u53e5 \u683c\u5f0f\uff1a<\/p>\n
[java]
\nif (\u8868\u8fbe\u5f0f) {
\n \u8bed\u53e5
\n}
\n[\/java]<\/p>\n
\u529f\u80fd\uff1a\u9996\u5148\u8ba1\u7b97\u8868\u8fbe\u5f0f\uff0c\u82e5\u503c\u4e3a\u771f\uff0c\u5219\u6267\u884c\u8bed\u53e5\uff0c\u5426\u5219\u7ed3\u675f\u6267\u884cif\u8bed\u53e5\uff0c\u6267\u884cif\u8bed\u53e5\u7684\u540e\u7eed\u8bed\u53e5\u3002
\n\u7ec3\u4e60:\u5224\u65ad\u4e24\u4e2a\u6570\u7684\u6700\u5927\u503c<\/p>\n
IF-else\u8bed\u53e5 \u683c\u5f0f\uff1a<\/p>\n
[java]if (\u8868\u8fbe\u4ef6){
\n \u8bed\u53e51;
\n} else {
\n \u8bed\u53e52;
\n}[\/java]<\/p>\n
\u529f\u80fd\uff1a\u9996\u5148\u8ba1\u7b97\u8868\u8fbe\u5f0f\uff0c\u82e5\u503c\u4e3a\u771f\uff0c\u5219\u6267\u884c\u8bed\u53e51\uff0c\u5426\u5219\u6267\u884c\u8bed\u53e52\u3002
\n\u7ec3\u4e60: \u8bf7\u8f93\u5165\u4e00\u4e2a\u5e74\u4efd\uff0c\u6c42\u8be5\u5e74\u4efd\u662f\u5426\u4e3a\u95f0\u5e74\uff0c\u95f0\u5e74\u80fd\u88ab4\u6574\u9664\u4f46\u4e0d\u80fd\u88ab100\u6574\u9664\uff0c\u6216\u8005\u80fd\u88ab400\u6574\u9664<\/p>\n
IF-else-if \u8bed\u53e5 \u683c\u5f0f\uff1a<\/p>\n
[java]if (\u6761\u4ef61){
\n \/\/\u7a0b\u5e8f\u4ee3\u7801;
\n} else if ( \u6761\u4ef62){
\n \/\/\u7a0b\u5e8f\u4ee3\u7801;
\n} else if ( \u6761\u4ef63){
\n \/\/\u7a0b\u5e8f\u4ee3\u7801;
\n}
\n[\/java]<\/p>\n
\u6ce8\u610f:\u53ea\u8981\u4efb\u4f55\u4e00\u4e2a\u6761\u4ef6\u6210\u7acb.\u7a0b\u5e8f\u5c31\u4e0d\u4f1a\u5bf9\u4e0b\u4e00\u4e2a\u6761\u4ef6\u8fdb\u884c\u5224\u65ad\u548c\u518d\u6267\u884c\u4e86\u3002
\n\u7ec3\u4e60:\u68c0\u67e5\u7528random()\u65b9\u6cd5\u4ea7\u751f\u7684\u4e00\u4e2a\u5b57\u7b26\uff0c\u5224\u65ad\u662f\u5426\u4e3a\u82f1\u6587\u5927\u5199\u5b57\u6bcd\u3001\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57\u6216\u662f\u5176\u4ed6\u7b26\u53f7\uff0c\u5e76\u8f93\u51fa\u76f8\u5e94\u4fe1\u606f\u3002<\/p>\n
IF\u5d4c\u5957\u8bed\u53e5 \u683c\u5f0f:<\/p>\n
[java]if (\u6761\u4ef61){
\n if ( \u6761\u4ef62){
\n \/\/\u7a0b\u5e8f\u4ee3\u7801;
\n } else {
\n \/\/\u7a0b\u5e8f\u4ee3\u7801;
\n }
\n}else{
\n if ( \u6761\u4ef63){
\n \/\/\u7a0b\u5e8f\u4ee3\u7801;
\n } else {
\n \/\/\u7a0b\u5e8f\u4ee3\u7801;
\n }
\n}
\n[\/java]<\/p>\n
\u529f\u80fd\uff1a\u9996\u5148\u8ba1\u7b97\u8868\u8fbe\u5f0f\u7684\u503c\uff0c\u7136\u540e\u5728switch\u8bed\u53e5\u4e2d\u5bfb\u627e\u4e0e\u8be5\u8868\u8fbe\u5f0f\u7684\u503c\u76f8\u5339\u914d\u7684case\u503c\u3002
\n\u683c\u5f0f:<\/p>\n
[java]switch( \u8868\u8fbe\u5f0f )
\n{
\n case \u503c1:
\n \u8bed\u53e51\uff1b
\n [break;]
\n case \u503c2:
\n \u8bed\u53e52\uff1b
\n [break;]
\n case \u503c3:
\n \u8bed\u53e53\uff1b
\n [break;]
\n ……
\n case \u503cN:
\n \u8bed\u53e5N\uff1b
\n [break;]
\n [default:\u8bed\u53e5N+1]
\n}[\/java]<\/p>\n
\u25c7 \u8868\u8fbe\u5f0f\u7684\u8fd4\u56de\u503c\u7c7b\u578b\u5fc5\u987b\u662f\u8fd9\u51e0\u79cd\u7c7b\u578b\u4e00 int , byte , char , short\u3002
\n\u25c7 case\u5b50\u53e5\u4e2d\u7684\u503c\u5fc5\u987b\u662f\u5e38\u91cf\uff0c\u800c\u4e14\u6240\u6709case\u5b50\u53e5\u4e2d\u7684\u503c\u5e94\u662f\u4e0d\u540c\u7684\u3002
\n\u25c7 default\u5b50\u53e5\u662f\u53ef\u9009\u7684\u3002
\n\u25c7 break\u8bed\u53e5\u7528\u6765\u5728\u6267\u884c\u5b8c\u4e00\u4e2acase\u5206\u652f\u540e\uff0c\u4f7f\u7a0b\u5e8f\u8df3\u51faswitch\u8bed\u53e5\uff0c\u5373\u7ec8\u6b62switch\u8bed\u53e5\u7684\u6267\u884c\uff08\u5728\u4e00\u4e9b\u7279\u6b8a\u60c5\u51b5\u4e0b\uff0c\u591a\u4e2a\u4e0d\u540c\u7684case\u503c\u8981\u6267\u884c\u4e00\u7ec4\u76f8\u540c\u7684\u64cd\u4f5c\u8fd9\u65f6\u53ef\u4ee5\u4e0d\u7528break\uff0c\u4e0d\u5199break\u65f6\u6267\u884c\u81ea\u8be5case\u5f00\u59cb\u5230\u4e0b\u4e00\u6b21\u627e\u5230break\u8bed\u53e5\u4e3a\u6b62\uff09<\/p>\n
\u7ec3\u4e60:\u8f93\u5165\u767e\u5206\u6210\u7ee9\uff0c\u8f93\u51fa\u6210\u7ee9\u7b49\u7ea7\u3002<\/p>\n
\u5faa\u73af\u8bed\u53e5\u7684\u4f5c\u7528\u662f\u53cd\u590d\u6267\u884c\u4e00\u6bb5\u4ee3\u7801\uff0c\u76f4\u5230\u6ee1\u8db3\u7ec8\u6b62\u5faa\u73af\u7684\u6761\u4ef6\u4e3a\u6b62\u3002Java\u8bed\u8a00\u4e2d\u63d0\u4f9b\u7684\u5faa\u73af\u8bed\u53e5\u6709\uff1a
\n\u25c7 while\u8bed\u53e5
\n\u25c7 do-while\u8bed\u53e5
\n\u25c7 for\u8bed\u53e5<\/p>\n
While\u8bed\u53e5\u000b\u683c\u5f0f:<\/p>\n
[java]
\nWhile ( \u6761\u4ef6 )
\n{
\n \/\/\u5faa\u73af\u4f53
\n}
\n[\/java]<\/p>\n
\u6ce8\u610f\uff1a
\n\uff081\uff09\u6b64\u8bed\u53e5\u662f\u5148\u5224\u65ad\u6761\u4ef6\uff0c\u518d\u786e\u5b9a\u662f\u5426\u6267\u884c\u8bed\u53e5\u6216\u7a0b\u5e8f\u5757\u3002
\n\uff082\uff09\u6761\u4ef6\u4e3atrue\u65f6\uff0c\u6267\u884c\u5faa\u73af\u4f53\u7684\u8bed\u53e5\u6216\u7a0b\u5e8f\u5757\u3002\u53cd\u4e4b\uff0c\u4e0d\u6267\u884c\u5faa\u73af\u4f53\u3002
\n\uff083\uff09\u5728\u5faa\u73af\u4f53\u4e2d\u8981\u6709\u6539\u53d8\u6761\u4ef6\u7684\u8bed\u53e5\uff0c\u5426\u5219\u4f1a\u6210\u4e3a\u6b7b\u5faa\u73af\u3002<\/p>\n
do-while\u8bed\u53e5\u000b\u683c\u5f0f:<\/p>\n
[java]
\ndo
\n{
\n \/\/\u5faa\u73af\u4f53\uff1b
\n} while (\u6761\u4ef6) ;
\n[\/java]<\/p>\n
\u6ce8\u610f\uff1a
\n(1)\u6b64\u8bed\u53e5\u662f\u5148\u6267\u884c\u4e00\u6b21\u5faa\u73af\u4f53\uff0c\u518d\u5224\u65ad\u6761\u4ef6\u3002
\n(2)\u6761\u4ef6\u4e3atrue\u65f6\uff0c\u518d\u6b21\u6267\u884c \u5faa\u73af\u4f53\u7684\u8bed\u53e5\u6216\u7a0b\u5e8f\u5757\u3002
\n(3)\u5728\u5faa\u73af\u4f53\u4e2d\u8981\u6709\u6539\u53d8\u6761\u4ef6\u7684\u8bed\u53e5,\u5426\u5219\u4f1a\u6210\u4e3a\u6b7b\u5faa\u73af\u3002
\n(4)do-while\u5faa\u73af\u8bed\u53e5\u5373\u662f\u81f3\u5c11\u90fd\u8981\u6267\u884c\u4e00\u6b21\u7684\u3002<\/p>\n
For\u8bed\u53e5\u683c\u5f0f:<\/p>\n
[java]
\nfor (\u8bbe\u5b9a\u521d\u59cb\u503c ; \u6761\u4ef6\u9650\u5b9a ; \u4fee\u6539\u63a7\u5236\u53d8\u91cf)
\n{
\n \/\/\u7a0b\u5e8f\u4ee3\u7801\uff1b
\n}
\n[\/java]<\/p>\n
\u7ec3\u4e60:\u8f93\u51fa1\uff5e100\u5185\u524d5\u4e2a\u53ef\u4ee5\u88ab3\u6574\u9664\u7684\u6570\u3002<\/p>\n
\u25c7 break\u8bed\u53e5
\n\u25c7 continue\u8bed\u53e5
\n\u25c7 \u8fd4\u56de\u8bed\u53e5return
\nbreak \u8bed\u53e5\u7528\u4e8e\u7ec8\u6b62\u67d0\u4e2a\u8bed\u53e5\u5757\u7684\u6267\u884c\u3002\u7528\u5728\u5faa\u73af\u8bed\u53e5\u4f53\u4e2d\uff0c\u53ef\u4ee5\u5f3a\u884c\u9000\u51fa\u5faa\u73af\uff1b
\ncontinue \u8bed\u53e5\u7528\u5728\u5faa\u73af\u8bed\u53e5\u4f53\u4e2d\uff0c\u7528\u4e8e\u7ec8\u6b62\u67d0\u6b21\u5faa\u73af\u8fc7\u7a0b\uff0c\u8df3\u8fc7\u5faa\u73af\u4f53\u4e2d continue \u8bed\u53e5\u4e0b\u9762\u672a\u6267\u884c\u7684\u5faa\u73af\uff0c\u5f00\u59cb\u4e0b\u4e00\u6b21\u5faa\u73af\u8fc7\u7a0b
\nreturn\u8bed\u53e5\u4ece\u5f53\u524d\u65b9\u6cd5\u4e2d\u9000\u51fa\uff0c\u8fd4\u56de\u5230\u8c03\u7528\u8be5\u65b9\u6cd5\u7684\u8bed\u53e5\u5904\uff0c\u5e76\u4ece\u7d27\u8ddf\u8be5\u8bed\u53e5\u7684\u4e0b\u4e00\u6761\u8bed\u53e5\u7ee7\u7eed\u7a0b\u5e8f\u7684\u6267\u884c\u3002<\/p>\n
\u8fd4\u56de\u8bed\u53e5\u6709\u4e24\u79cd\u683c\u5f0f\uff1a
\nreturn expression\uff1b
\nreturn;<\/p>\n
return\u8bed\u53e5\u901a\u5e38\u7528\u5728\u4e00\u4e2a\u65b9\u6cd5\u4f53\u7684\u6700\u540e,\u5426\u5219\u4f1a\u4ea7\u751f\u7f16\u8bd1\u9519\u8bef,\u9664\u975e\u7528\u5728if-else\u8bed\u53e5\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Java\u8bed\u53e5\u6982\u8ff0 Java\u7a0b\u5e8f\u901a\u8fc7\u63a7\u5236\u8bed\u53e5\u6765\u6267\u884c\u7a0b\u5e8f\u6d41\uff0c\u5b8c\u6210\u4e00\u5b9a\u7684\u4efb\u52a1\u3002 \u7a0b\u5e8f\u6d41\u662f\u7531\u82e5\u5e72\u4e2a\u8bed\u53e5\u7ec4\u6210\u7684\uff0c\u8bed\u53e5\u53ef\u4ee5 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[15],"tags":[],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/138"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=138"}],"version-history":[{"count":7,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/138\/revisions"}],"predecessor-version":[{"id":1500,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/138\/revisions\/1500"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=138"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=138"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}