{"id":129,"date":"2015-04-01T17:05:28","date_gmt":"2015-04-01T09:05:28","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=129"},"modified":"2026-08-18T12:09:27","modified_gmt":"2026-08-18T04:09:27","slug":"java%e8%bf%90%e7%ae%97%e7%ac%a6","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=129","title":{"rendered":"Java\u8fd0\u7b97\u7b26"},"content":{"rendered":"
\n

Java \u91cc\u7684\u8fd0\u7b97\u7b26<\/strong>\u548c C \/ C++ \u51e0\u4e4e\u540c\u4e00\u5957\uff1a\u7b97\u672f\u7b97\u51fa\u6570\u503c\uff0c\u5173\u7cfb \/ \u903b\u8f91\u7b97\u51fa\u5e03\u5c14\u503c\uff0c\u4f4d\u8fd0\u7b97\u6309\u4e8c\u8fdb\u5236\u9010\u4f4d\u5904\u7406\uff0c\u518d\u52a0\u4e0a\u4e09\u76ee\u6761\u4ef6\u8fd0\u7b97\u7b26\u3002\u5148\u628a\u7c7b\u522b\u8bb0\u7262\uff0c\u518d\u5bf9\u7167\u4e0b\u9762\u7684\u8868\u548c\u56fe\u3002<\/p>\n

<\/p>\n

\u4e0b\u8868\u662f\u603b\u89c8\uff0c\u540e\u9762\u6309\u7c7b\u5c55\u5f00\uff0c\u5e76\u914d\u4e0a\u539f\u6587\u622a\u56fe\u3002<\/p>\n\n\n\n\n\n\n\n\n
\u7c7b\u522b<\/th>\n\u7ed3\u679c\u7c7b\u578b<\/th>\n\u5e38\u89c1\u7b26\u53f7<\/th>\n<\/tr>\n<\/thead>\n
\u7b97\u672f<\/td>\n\u6570\u503c<\/td>\n+ – * \/ % ++ —<\/td>\n<\/tr>\n
\u5173\u7cfb \/ \u903b\u8f91<\/td>\nboolean<\/td>\n> < >= <= == != && || !<\/td>\n<\/tr>\n
\u4f4d\u8fd0\u7b97<\/td>\n\u6574\u6570<\/td>\n& | ^ ~ << >> >>><\/td>\n<\/tr>\n
\u6761\u4ef6\uff08\u4e09\u76ee\uff09<\/td>\n\u4e24\u652f\u4e2d\u7684\u4e00\u652f<\/td>\ncondition ? x1 : x2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4e00\u3001\u6570\u5b66\u8fd0\u7b97\u7b26<\/h2>\n

\u6570\u5b66\u8fd0\u7b97\u7684\u7ed3\u679c\u662f\u4e00\u4e2a\u6570\u503c\u3002\u81ea\u589e\u5206\u540e\u81ea\u52a0<\/strong>\uff08a++<\/code> \u5148\u53d6\u503c\u518d\u52a0\uff09\u548c\u524d\u81ea\u52a0<\/strong>\uff08++b<\/code> \u5148\u52a0\u518d\u53d6\u503c\uff09\u3002<\/p>\n

\"QQ\u255c\u256a\u2550\u255d20150323163155\"<\/p>\n

\u4e8c\u3001\u5173\u7cfb\u8fd0\u7b97\u7b26<\/h2>\n

\u5173\u7cfb\u8fd0\u7b97\u7b26\u548c\u903b\u8f91\u8fd0\u7b97\u7b26\u7684\u7ed3\u679c\u662f\u5e03\u5c14\u503c\u3002&&<\/code> \/ ||<\/code> \u4f1a\u77ed\u8def\uff1a\u5de6\u8fb9\u5df2\u7ecf\u80fd\u5b9a\u7ed3\u679c\uff0c\u53f3\u8fb9\u5c31\u4e0d\u7b97\u4e86\u3002<\/p>\n

\"QQ\u255c\u256a\u2550\u255d20150323163203\"<\/p>\n

\u4e09\u3001\u4f4d\u8fd0\u7b97\u7b26<\/h2>\n

\u4f4d\u8fd0\u7b97\u7b26\u5bf9\u6574\u6570\u7684\u4e8c\u8fdb\u5236\u5f62\u5f0f\u9010\u4f4d\u505a\u903b\u8f91\u8fd0\u7b97\uff0c\u5f97\u5230\u4e00\u4e2a\u6574\u6570\u3002<\/p>\n

\"QQ\u255c\u256a\u2550\u255d20150323163209\"<\/p>\n

    \n
  • \n
    \u4e0e &<\/strong>\uff1a\u4e24\u4f4d\u90fd\u662f 1\uff0c\u7ed3\u679c\u624d\u662f 1\uff0c\u5426\u5219\u662f 0\u3002<\/section>\n<\/li>\n
  • \n
    \u6216 |<\/strong>\uff1a\u4e24\u4f4d\u91cc\u53ea\u8981\u6709\u4e00\u4e2a 1\uff0c\u7ed3\u679c\u5c31\u662f 1\uff0c\u5426\u5219\u662f 0\u3002<\/section>\n<\/li>\n
  • \n
    \u975e ~<\/strong>\uff1a0 \u53d8 1\uff0c1 \u53d8 0\uff08\u6309\u8865\u7801\u9010\u4f4d\u53d6\u53cd\uff09\u3002<\/section>\n<\/li>\n
  • \n
    \u5f02\u6216 ^<\/strong>\uff1a\u4e24\u4f4d\u76f8\u540c\u7ed3\u679c\u4e3a 0\uff0c\u4e0d\u540c\u4e3a 1\u3002<\/section>\n<\/li>\n<\/ul>\n

    <<<\/code> \u5de6\u79fb\u76f8\u5f53\u4e8e\u4e58 2 \u7684\u5e42\uff0c>><\/code> \u7b97\u672f\u53f3\u79fb\u4fdd\u7559\u7b26\u53f7\u4f4d\u3002<\/p>\n

    \u56db\u3001\u6761\u4ef6\u8fd0\u7b97\u7b26\uff08\u4e09\u76ee\uff09<\/h2>\n

    \u5199\u6cd5\u662f condition ? x1 : x2<\/code>\u3002condition<\/code> \u5fc5\u987b\u662f boolean\uff1a\u4e3a\u771f\u53d6 x1\uff0c\u4e3a\u5047\u53d6 x2\u3002<\/p>\n

    \u4e94\u3001\u7efc\u5408\u793a\u4f8b<\/h2>\n

    \u4e0b\u9762\u628a\u81ea\u589e\u3001\u5173\u7cfb\u3001\u903b\u8f91\u3001\u4f4d\u8fd0\u7b97\u548c\u79fb\u4f4d\u653e\u5728\u540c\u4e00\u4e2a main<\/code> \u91cc\u8dd1\u4e00\u904d\u3002\u6ce8\u610f\uff1a\u793a\u4f8b\u91cc\u540e\u81ea\u52a0\u4e4b\u540e a<\/code> \u53d8\u6210 11\uff0c\u540e\u9762\u7684 a & x<\/code> \u7528\u7684\u662f\u52a0\u8fc7\u4e4b\u540e\u7684\u503c\u3002<\/p>\n

    public class Demo {\n    public static void main(String[] args) {\n        int a = 10;\n        int b = 10;\n        int x = 10;\n        int y = 21;\n        int z = 10;\n\n        System.out.println(\"\u540e\u81ea\u52a0 a=\" + (a++));\n        System.out.println(\"a\u7684\u503c a=\" + a);\n        System.out.println(\"\u524d\u81ea\u52a0 b=\" + (++b));\n\n        System.out.println(\"---------------------\");\n        System.out.println(\"\u8bf4 x>y,\u5bf9\u5417\uff1f\" + (x > y));\n        System.out.println(\"\u8ba4\u4e3a x>y \u5e76\u4e14 x<y,\u5bf9\u5417\uff1f\" + ((x > y) && (x < y)));\n        System.out.println(\"\u8ba4\u4e3a x>=y \u6216\u8005 x==y,\u5bf9\u5417\uff1f\" + ((x >= y) || (x == y)));\n        System.out.println(\"\u8ba4\u4e3a x<y \u6216\u8005 x==z,\u5bf9\u5417\uff1f\" + ((x < y) || (x == z)));\n        System.out.println(\"---------------------\");\n        System.out.println(\"a&x \u7684\u7ed3\u679c\u662f\uff1a\" + (a & x));\n        System.out.println(\"a|x \u7684\u7ed3\u679c\u662f\uff1a\" + (a | x));\n        System.out.println(\"y^z \u7684\u7ed3\u679c\u662f\uff1a\" + (y ^ z));\n\n        System.out.println(\"---------------------\");\n        System.out.println(\"a \u5de6\u79fb2\u4f4d\u7684\u7ed3\u679c\u662f\uff1a\" + (a << 2));\n        System.out.println(\"y \u53f3\u79fb3\u4f4d\u7684\u7ed3\u679c\u662f\uff1a\" + (y >> 3));\n    }\n}<\/code><\/pre>\n
    \u8fd0\u884c\u7ed3\u679c\uff1a\u540e\u81ea\u52a0\u6253\u5370 10\uff0c\u968f\u540e a \u4e3a 11\uff1b\u524d\u81ea\u52a0\u76f4\u63a5\u6253\u5370 11\u3002\u5173\u7cfb\u5224\u65ad\u4f9d\u6b21\u4e3a false\u3001false\u3001false\u3001true\u3002\u6b64\u65f6 a=11\u3001x=10\uff0ca & x<\/code> \u4e3a 10\uff0ca | x<\/code> \u4e3a 11\uff0cy ^ z<\/code> \u4e3a 31\u3002a \u5de6\u79fb 2 \u4f4d\u5f97 44\uff0cy \u53f3\u79fb 3 \u4f4d\u5f97 2\u3002<\/p>\n
    \n
    \u4e00\u53e5\u8bdd\u603b\u7ed3\uff1a\u7b97\u672f\u51fa\u6570\u3001\u5173\u7cfb\u51fa\u771f\u5047\u3001\u4f4d\u8fd0\u7b97\u6309\u4e8c\u8fdb\u5236\u5e72\u6d3b\uff0c\u4e09\u76ee\u6309\u6761\u4ef6\u4e8c\u9009\u4e00\uff1b\u5148\u5206\u6e05\u7c7b\u522b\uff0c\u518d\u5c0f\u5fc3 ++ \u7684\u5148\u540e\u548c && \/ || \u7684\u77ed\u8def\u3002<\/strong><\/p>\n<\/blockquote>\n<\/section>\n","protected":false},"excerpt":{"rendered":"
    Java \u91cc\u7684\u8fd0\u7b97\u7b26\u548c C \/ C++ \u51e0\u4e4e\u540c\u4e00\u5957\uff1a\u7b97\u672f\u7b97\u51fa\u6570\u503c\uff0c\u5173\u7cfb \/ \u903b\u8f91\u7b97\u51fa\u5e03\u5c14\u503c\uff0c\u4f4d\u8fd0\u7b97\u6309\u4e8c\u8fdb\u5236\u9010\u4f4d […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[15],"tags":[30],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/129"}],"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=129"}],"version-history":[{"count":3,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/129\/revisions"}],"predecessor-version":[{"id":1495,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/129\/revisions\/1495"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}