{"id":31740,"date":"2022-12-25T02:16:01","date_gmt":"2023-03-06T14:13:59","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%ad%a6%e4%b9%a0java-5\/"},"modified":"2024-04-29T06:50:59","modified_gmt":"2024-04-28T22:50:59","slug":"%e5%ad%a6%e4%b9%a0java-5","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%ad%a6%e4%b9%a0java-5\/","title":{"rendered":"\u5b66\u4e60Java – 5"},"content":{"rendered":"

\u53ea\u662f\u7a0d\u5fae\u5b66\u4e00\u4e0b\u9012\u589e\u3002
\n\u8fd8\u6709\uff0c\u4e5f\u7a0d\u5fae\u5b66\u4e00\u4e0b\u590d\u5408\u8d4b\u503c\u8fd0\u7b97\u7b26\u3002
\n\u867d\u7136\u4e5f\u53ef\u4ee5\u5728\u505a\u7b97\u672f\u8fd0\u7b97\u65f6\u5b66\u4e60\uff0c\u4f46\u8fd9\u662f\u53e6\u5916\u4e00\u4e2a\u6545\u4e8b\u4e86\u3002<\/p>\n

\u81ea\u589e<\/h1>\n

\u5728\u4e2d\u6587\u4e2d\uff0c\u6709\u4e00\u4e2a\u53eb\u505a\u9012\u589e\u8fd0\u7b97\u7b26\uff08++\uff09\u7684\u4e1c\u897f\u3002
\n\u901a\u8fc7\u5728\u53d8\u91cf\u7684\u524d\u540e\u52a0\u4e0a “++” \uff0c\u53ef\u4ee5\u4f7f\u8be5\u53d8\u91cf\u52a0\u4e0a “1”\u3002<\/p>\n

\u300c++a\u300d\u548c\u300ca++\u300d\u51e0\u4e4e\u7b49\u540c\u4e8e\u300ca=a+1\u300d\u3002<\/p>\n

\u4f46\u662f\uff0c\u6709\u4eba\u544a\u8bc9\u6211\u8fd9\u4e24\u4e2a\u52a8\u4f5c\u5fae\u5999\u5730\u4e0d\u4e00\u6837~
\n\u5bf9\u4e8e\u8fd9\u4e2a\u610f\u601d\u6211\u4e00\u76f4\u65e0\u6cd5\u7406\u89e3\u3002<\/p>\n

\u4e5f\u8bb8\u662f\u56e0\u4e3a\u6211\u5355\u72ec\u770b\u4e86\u300c++a\u300d\u6216\u300ca++\u300d\u624d\u4e0d\u884c\u7684\u3002<\/p>\n

\u901a\u8fc7\u4f7f\u7528\u4e0e\u589e\u91cf\u53d8\u91cf\u4e0d\u540c\u7684\u53d8\u91cf\uff0c\u53ef\u80fd\u4f1a\u4ea7\u751f\u5dee\u5f02\uff0c\u53ef\u80fd\u4f1a\u610f\u8bc6\u5230\u4e00\u4e9b\u4e8b\u60c5\u3002<\/p>\n

\u5148\u6267\u884c\u300ca=a+1\u300d\uff0c\u7136\u540e\u5c06\u7ed3\u679c\u653e\u5165\u300cb\u300d\u3002<\/p>\n

b = ++a;\r\n<\/code><\/pre>\n
\u5982\u679c\u6211\u4eec\u60f3\u8c61\u8ba1\u7b97\u987a\u5e8f\u7684\u8bdd\uff0c\u611f\u89c9\u4f1a\u662f”b=(a=a+1)”\u5427\uff1f
\n\u53e6\u4e00\u65b9\u9762\uff0c\u4e0b\u9762\u8fd9\u4e2a\u662f\u5148\u5c06”a”\u7684\u503c\u8d4b\u7ed9”b”\uff0c\u7136\u540e\u518d\u6267\u884c”a=a+1″\u3002<\/p>\n
b = a++;\r\n<\/code><\/pre>\n
\u5982\u679c\u60f3\u8c61\u6210\u8ba1\u7b97\u987a\u5e8f\u7684\u8bdd\uff0c\u5c31\u662f\u201c\u4ecea\u5f00\u59cb\uff0ca=a+1\u201d\u7684\u611f\u89c9\u5417\uff1f<\/p>\n
\u5148\u8bd5\u8bd5\u6267\u884c\u4e00\u4e0b\uff0c\u770b\u770b\u7ed3\u679c\u6709\u4ec0\u4e48\u4e0d\u540c\u3002
\n\u9996\u5148\uff0c\u5c06\u201c++a\u201d\u653e\u5728\u5e38\u89c4\u5f62\u5f0f\u4e2d\u3002<\/p>\n
int a, b;\r\n\r\na = 1;\r\nb = ++a;\r\n\r\nSystem.out.println(\"a = \" + a);\r\nSystem.out.println(\"b = \" + b);\r\n<\/code><\/pre>\n
\u30fb\u56e0\u4e3a\u5148\u6267\u884c\u4e86”a=a+1″\uff0c\u6240\u4ee5”a=2″\u3002
\n\u30fb\u56e0\u4e3a”b=a”\uff0c\u6240\u4ee5\u53d6\u7684\u662f2\uff0c\u6240\u4ee5”b=2″\u3002<\/p>\n
\"pic002.JPG\"<\/div>\n
\u5982\u679c\u8f93\u5165”a++”\u662f\u4e0b\u4e00\u4e2a\u60c5\u51b5<\/p>\n
int a, b;\r\n\r\na = 1;\r\nb = a++;\r\n\r\nSystem.out.println(\"a = \" + a);\r\nSystem.out.println(\"b = \" + b);\r\n<\/code><\/pre>\n
\u30fb\u56e0\u4e3a\u5148\u6267\u884c\u4e86\u201cb=a\u201d\uff0c\u6240\u4ee5\u201cb=1\u201d
\n\u30fb\u63a5\u7740\u6267\u884c\u4e86\u201ca=a+1\u201d\uff0c\u6240\u4ee5\u201ca=2\u201d<\/p>\n
\"pic001.JPG\"<\/div>\n
\u6839\u636e\u60c5\u51b5\uff0c\u53ef\u80fd\u4f1a\u9009\u62e9\u4f7f\u7528”++a” \u548c “a++”\u3002<\/p>\n
\u987a\u4fbf\u8bf4\u4e00\u4e0b…
\n\u300c1\u300d\u51cf\u53bb\u7684\u64cd\u4f5c\u662f\u9012\u51cf\uff0c\u8fd0\u7b97\u7b26\u662f\u300c–\u300d\u3002<\/p>\n
\u590d\u5408\u8d4b\u503c\u8fd0\u7b97\u7b26<\/h1>\n
\u4e0e\u5176\u8bf4\u662f\u7c7b\u4f3c\u4e8e\u9012\u589e\uff0c\u4e0d\u5982\u8bf4\u662f\u8ba1\u7b97\u5f0f\u7684\u7b80\u7565\u5199\u6cd5\uff1f\u5c31\u8fd9\u6837\u60f3\u7740\u5427\u3002<\/p>\n
\u300ca=a+5\u300d\u4e5f\u53ef\u4ee5\u5199\u6210\u300ca+=5\u300d\u3002<\/p>\n
\u8fd9\u4e2a\u201c+=\u201d\u770b\u8d77\u6765\u662f\u4e00\u4e2a\u590d\u5408\u8d4b\u503c\u8fd0\u7b97\u7b26\u3002<\/p>\n
\u30fb\u4e0e\u5176\u6ce8\u610f\u987a\u5e8f\u6267\u884c\u201c=+\u201d\uff0c\u4e0d\u5982\u4f7f\u7528\u201c+=\u201d\u3002
\n\u30fb\u8fd8\u6709\u201c+=\u201d\uff0c\u201c-=\u201d\uff0c\u201c*=\u201d\uff0c\u201c\/=\u201d\u7b49\u7b49\u3002
\n\u30fb\u8fd8\u6709\u201c>>=\u201d\uff0c\u201c>>>=\u201d\u4e4b\u7c7b\u7684\uff0c\u4f46\u662f\u73b0\u5728\u5148\u5fd8\u6389\uff0c\u4e00\u6b21\u6027\u8bb0\u4e0d\u4f4f\u3002<\/p>\n
\u6211\u5c06\u5927\u81f4\u8bb0\u4f4f\u4e86\u5927\u7ea6\u7684\u5185\u5bb9\u540e\uff0c\u5148\u8fdb\u884c\u4e00\u6b21\u64cd\u4f5c\u786e\u8ba4\u3002
\n\u5728\u5e73\u5e38\u7684\u57fa\u672c\u5f62\u5f0f\u540e\u9762\u6dfb\u52a0\u2193\u5e76\u6267\u884c\u3002<\/p>\n
int<\/span> a<\/span> =<\/span> 1<\/span>,<\/span> b<\/span> =<\/span> 1<\/span>;<\/span>\r\n\r\na<\/span> +=<\/span> 5<\/span>;<\/span>\r\nb<\/span> =<\/span> b<\/span> +<\/span> 5<\/span>;<\/span>\r\n\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"a = \"<\/span> +<\/span> a<\/span>);<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"b = \"<\/span> +<\/span> b<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u786e\u8ba4\u300c+=\u300d\u4e5f\u4f1a\u5f97\u5230\u76f8\u540c\u7684\u7ed3\u679c\u3002<\/p>\n
\"pic003.JPG\"<\/div>\n
\u76f4\u5230\u6709\u7a7a\u95f2\u65f6\u95f4\u4e4b\u524d\uff0c\u53ef\u80fd\u4e3b\u8981\u4f7f\u7528”a=a+5″\u7684\u65b9\u6cd5\u3002<\/p>\n
\u8fd9\u6b21\u5c31\u5230\u8fd9\u91cc\u5427\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u53ea\u662f\u7a0d\u5fae\u5b66\u4e00\u4e0b\u9012\u589e\u3002 \u8fd8\u6709\uff0c\u4e5f\u7a0d\u5fae\u5b66\u4e00\u4e0b\u590d\u5408\u8d4b\u503c\u8fd0\u7b97\u7b26\u3002 \u867d\u7136\u4e5f\u53ef\u4ee5\u5728\u505a\u7b97\u672f\u8fd0\u7b97\u65f6\u5b66\u4e60\uff0c\u4f46\u8fd9\u662f\u53e6\u5916\u4e00\u4e2a\u6545\u4e8b\u4e86\u3002 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31740","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u5b66\u4e60Java - 5 - 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\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5b66\u4e60java-5\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5b66\u4e60Java - 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