{"id":184149,"date":"2020-11-02T03:45:30","date_gmt":"2020-11-01T19:45:30","guid":{"rendered":"http:\/\/4563.org\/?p=184149"},"modified":"2020-11-02T03:45:30","modified_gmt":"2020-11-01T19:45:30","slug":"%e4%b8%a4%e6%ac%a1%e9%9d%a2%e8%b7%aa%e9%98%bf%e9%87%8c%ef%bc%8c-7-%e5%b9%b4%e5%b7%a5%e4%bd%9c%e7%bb%8f%e9%aa%8c%e8%bf%9e%e4%b8%aa-p6%e9%83%bd%e4%b8%8d%e9%85%8d%e6%8b%a5%e6%9c%89%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=184149","title":{"rendered":"\u4e24\u6b21\u9762\u8dea\u963f\u91cc\uff0c 7 \u5e74\u5de5\u4f5c\u7ecf\u9a8c\u8fde\u4e2a P6+\u90fd\u4e0d\u914d\u62e5\u6709\u5417\uff1f"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u4e24\u6b21\u9762\u8dea\u963f\u91cc\uff0c 7 \u5e74\u5de5\u4f5c\u7ecf\u9a8c\u8fde\u4e2a P6+\u90fd\u4e0d\u914d\u62e5\u6709\u5417\uff1f               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : hakunamatata11 <\/span>  <span><i><\/i> 2<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u4e00\u4f4d 7 \u5e74\u5de5\u4f5c\u7ecf\u9a8c\u7684 Java \u8001\u9e1f\u5728\u8109\u8109\u4e0a\u5410\u69fd\uff1a\u4eca\u5e74<strong>\u4e24\u6b21\u9762\u8dea\u963f\u91cc\uff0c\u8fde\u4e2a P6+\u7684\u804c\u4f4d\u90fd\u62ff\u4e0d\u5230\u2026\u2026<\/strong><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/11\/20201101_5f9f10686988f.png\" alt=\"\u4e24\u6b21\u9762\u8dea\u963f\u91cc\uff0c 7 \u5e74\u5de5\u4f5c\u7ecf\u9a8c\u8fde\u4e2a P6+\u90fd\u4e0d\u914d\u62e5\u6709\u5417\uff1f\" \/><\/p>\n<p>\u8bc4\u8bba\u91cc\u6709\u963f\u91cc\u5458\u5de5\u8bf4\uff0c\u5176\u5b9e\u4e5f\u6ca1\u90a3\u4e48\u96be\uff0c\u8fd8\u662f\u8981<strong>\u53cd\u601d\u4e00\u4e0b\u4e2a\u4eba\u95ee\u9898<\/strong>\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/11\/20201101_5f9f10761442c.jpg\" alt=\"\u4e24\u6b21\u9762\u8dea\u963f\u91cc\uff0c 7 \u5e74\u5de5\u4f5c\u7ecf\u9a8c\u8fde\u4e2a P6+\u90fd\u4e0d\u914d\u62e5\u6709\u5417\uff1f\" \/><\/p>\n<p>\u5927\u5382\u7684\u6280\u672f\u9762\u8bd5\u5f88\u770b\u91cd\u8fd9\u51e0\u65b9\u9762\uff1a<strong>\u5bf9\u6e90\u7801\u7684\u7406\u89e3\u3001\u9ad8\u53ef\u7528\u67b6\u6784\u7684\u9879\u76ee\u7ecf\u9a8c\uff0c\u4ee5\u53ca\u5927\u5382\u7a0b\u5e8f\u5458\u601d\u7ef4\uff08\u662f\u5426\u5177\u5907\u6210\u957f\u6027\uff09<\/strong>\u3002\u4e0d\u77e5\u9053\u8fd9\u4e9b\uff0c\u54ea\u6015\u4f60\u6709 10 \u5e74\u5de5\u4f5c\u7ecf\u9a8c\u4e5f\u767d\u642d\uff01<\/p>\n<h2><strong>\u5de5\u4f5c\u4e0d\u6ee1 3 \u5e74\uff0c\u5982\u4f55\u62ff\u4e0b\u5927\u5382 40w+\u5305\u88f9\uff1f<\/strong><\/h2>\n<p>\u62e5\u6709 10 \u5e74\u5f00\u53d1\u7ecf\u9a8c\u7684 BAT \u6280\u672f\u4e13\u5bb6\u6768\u900d\u8001\u5e08\u603b\u7ed3\u4e86\u4e00\u4efd P \u7ea7\u5bf9\u5e94\u85aa\u916c\u8303\u56f4\u548c\u666e\u904d\u5165\u804c\u5e74\u9f84\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/11\/20201101_5f9f1085da945.png\" alt=\"\u4e24\u6b21\u9762\u8dea\u963f\u91cc\uff0c 7 \u5e74\u5de5\u4f5c\u7ecf\u9a8c\u8fde\u4e2a P6+\u90fd\u4e0d\u914d\u62e5\u6709\u5417\uff1f\" \/><\/p>\n<p>\u4ee5\u963f\u91cc\u4e3a\u4f8b\uff0c\u8fd1\u5e74\u6765\u6821\u62db\u666e\u904d\u5b9a\u7ea7\u5230 P5\uff0c\u7279\u522b\u4f18\u79c0\u7684\u4eba\u4f1a\u7834\u683c\u7ed9 P6 \u3002\u8fd9\u4e2a\u804c\u7ea7\u5bf9\u5e94\u7684\u85aa\u916c\u8303\u56f4\u662f<strong>40w \uff5e 50w<\/strong>\uff0c\u901a\u5e38 2 \u30013 \u5e74\u7ecf\u9a8c\u7684\u6c42\u804c\u8005\u7533\u8bf7\u7684\u8f83\u591a\u3002<\/p>\n<p>7 \u5e74\u5de5\u4f5c\u7ecf\u9a8c\u8fd8\u5728\u7533 P6+\u4e14\u6302\u4e86\u4e24\u6b21\uff0c\u5f88\u53ef\u80fd\u5728\u6210\u957f\u6027\u4e0a\u5c31\u4e0d\u6ee1\u8db3\u5927\u5382\u8981\u6c42\u3002<\/p>\n<p>\u6768\u900d\u8001\u5e08\u5728\u5927\u5382\u5de5\u4f5c\u591a\u5e74\uff0c\u5728\u9762\u8bd5\u8fc7 500 \u4eba+\u540e\uff0c\u53d1\u73b0\u5f88\u591a\u6c42\u804c\u8005\u6216\u591a\u6216\u5c11\u5b58\u5728\u4ee5\u4e0b<strong>3 \u4e2a\u901a\u75c5<\/strong>\uff1a<\/p>\n<p>1. \u5c40\u9650\u4e8e\u5e73\u65f6\u7684\u589e\u5220\u67e5\u6539\u5f00\u53d1\u6280\u80fd\uff0c\u6280\u672f\u6df1\u5ea6\u9898\u76ee\u7f3a\u4e4f\u7cbe\u5fc3\u51c6\u5907\uff1b 2. Java \u6280\u80fd\u6ca1\u6709\u4f53\u7cfb\u5316\uff0c\u5728\u5e94\u5bf9\u6280\u672f\u5e7f\u5ea6\u548c\u539f\u7406\u95ee\u9898\u65f6\u6349\u895f\u89c1\u8098\uff1b 3. \u4e0d\u61c2\u5f97\u5982\u4f55\u5305\u88c5\u4e2a\u4eba\u7b80\u5386\uff0c\u73b0\u573a\u9762\u8bd5\u4e0d\u6ce8\u91cd\u7ec6\u8282\uff0c\u5f88\u96be\u6253\u52a8\u9762\u8bd5\u5b98\u3002<\/p>\n<p>\u9488\u5bf9\u8fd9\u4e9b\u95ee\u9898\uff0c\u6768\u900d\u8001\u5e08\u4ece\uff1a<\/p>\n<p><strong>\u6280\u672f\u6df1\u5ea6+\u6280\u672f\u5e7f\u5ea6+\u6280\u672f\u8f6f\u5b9e\u529b\uff08\u7b80\u5386\u4e0e\u9762\u8bd5\u73b0\u573a\u8868\u73b0\uff09<\/strong><\/p>\n<p>3 \u4e2a\u65b9\u9762\u51fa\u53d1\uff0c\u4e0e\u4e5d\u7ae0\u5171\u540c\u6253\u9020\u4e86\u4e00\u95e8\u5b8c\u5168<strong>\u9488\u5bf9\u5927\u5382 Java \u540e\u7aef\u5c97\u4f4d\u6c42\u804c<\/strong>\u7684<\/p>\n<blockquote>\n<p><strong>\u300aJava \u9ad8\u7ea7\u5de5\u7a0b\u5e08 P6+\u300b<\/strong><\/p>\n<\/blockquote>\n<h2><strong>\u60f3\u62ff\u5927\u5382 P6+\uff0c\u5fc5\u987b\u5148\u8fc7\u6e90\u7801<\/strong><\/h2>\n<p>**\u5927\u5382\u4ece\u6765\u4e0d\u62db\u53ea\u4f1a\u5199\u4ee3\u7801\u7684 [\u7801\u519c] **\uff0c\u5de5\u4f5c\u591a\u5e74\uff0c\u7edd\u4e0d\u80fd\u505c\u7559\u5728\u53ea\u4f1a\u7f16\u7a0b\u7684\u5c42\u9762\u3002\u7a77\u6839\u7a76\u5e95\uff0c<strong>\u591a\u770b\u6e90\u7801<\/strong>\uff01<\/p>\n<p>\u62ff\u4e00\u9053\u5e38\u89c1\u7684\u9762\u8bd5\u771f\u9898\u4e3e\u4f8b\uff1a<\/p>\n<blockquote>\n<p>\u95ee\uff1aJava \u4e2d\u64cd\u4f5c\u5b57\u7b26\u4e32\u90fd\u6709\u54ea\u4e9b\u7c7b\uff1f\u5b83\u4eec\u4e4b\u95f4\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/p>\n<\/blockquote>\n<p>\u4e00\u822c\u4eba\u770b\u5230\u8fd9\u9898\u90fd\u4f1a\u89c9\u5f97\u7a33\u4e86\uff0c\u7ed9\u51fa\u56de\u7b54\uff1a<\/p>\n<blockquote>\n<p>\u5206\u522b\u662f String, StringBuffer, StringBuilder \u3002<\/p>\n<\/blockquote>\n<blockquote>\n<p>\u533a\u522b\u662f String \u58f0\u660e\u7684\u662f\u4e0d\u53ef\u53d8\u7684\u5bf9\u8c61,\u6bcf\u6b21\u64cd\u4f5c\u5fc5\u7136\u4ea7\u751f\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\u3002StringBuffer \u5177\u5907\u7ebf\u7a0b\u5b89\u5168\u6027\uff0c\u5728\u4f7f\u7528\u573a\u666f\u4e0a\uff0c\u5e76\u53d1\u5fc5\u9009 StringBuffer\uff0c\u8fed\u4ee3\u5fc5\u9009 StringBuilder\uff0c\u666e\u901a\u573a\u666f\u9009 String\uff0c\u907f\u514d\u4e2d\u9014\u4e0d\u5fc5\u8981\u7684\u7c7b\u578b\u8f6c\u6362\u5f00\u9500\u3002<\/p>\n<\/blockquote>\n<p>\u5b9e\u9645\u4e0a\u9762\u8bd5\u5b98\u60f3\u542c\u5230 [\u66f4\u6df1\u5165\u7684] \u56de\u7b54\uff1a<\/p>\n<blockquote>\n<p>StringBuffer \u548c StringBuilder \u90fd\u7ee7\u627f\u81ea\u62bd\u8c61\u7c7b AbstractStringBuilder \uff01<\/p>\n<\/blockquote>\n<p><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/11\/20201101_5f9f10931bfe3.png\" alt=\"\u4e24\u6b21\u9762\u8dea\u963f\u91cc\uff0c 7 \u5e74\u5de5\u4f5c\u7ecf\u9a8c\u8fde\u4e2a P6+\u90fd\u4e0d\u914d\u62e5\u6709\u5417\uff1f\" \/><\/p>\n<p>String \u7684\u6e90\u7801\u89e3\u8bfb\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u52a0\u5206\u70b9:<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/11\/20201101_5f9f10a024abb.png\" alt=\"\u4e24\u6b21\u9762\u8dea\u963f\u91cc\uff0c 7 \u5e74\u5de5\u4f5c\u7ecf\u9a8c\u8fde\u4e2a P6+\u90fd\u4e0d\u914d\u62e5\u6709\u5417\uff1f\" \/><\/p>\n<p>final \u4fee\u9970\u2014&gt;\u4e0d\u53ef\u53d8\u2014&gt;\u6bcf\u6b21\u64cd\u4f5c\u90fd\u4f1a\u751f\u6210\u65b0\u7684 String \u5bf9\u8c61\uff0c\u5bf9\u6bd4 StringBuffer \u548c StringBuilder \u2014&gt;\u503c\u53ef\u53d8\u3001\u62fc\u63a5\u5b57\u7b26\u4e32\u5f00\u9500\u3002<\/p>\n<p>\u6700\u540e\u9762\u8bd5\u5b98\u8fd8\u4f1a\u8ffd\u95ee\u7ebf\u7a0b\u5b89\u5168\u6027\u3002<\/p>\n<p>\u4f60\u901a\u8fc7\u67e5\u6e90\u7801\uff0c\u627e synchronized \u3001\u7ebf\u7a0b\u9501\uff0c\u5f97\u51fa\u7ed3\u8bba\u2014\u2014StringBuffer 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P6+\u300b\u8fd9\u95e8\u8bfe\u5c31\u5305\u542b\u4e86\u9ad8\u53ef\u7528\u7684\u9879\u76ee\u5b9e\u6218\uff0c\u901a\u8fc7<strong>\u4f53\u7cfb\u5316\u7684 SpringBoot \u9879\u76ee\u6559\u5b66<\/strong>\uff0c\u5e26\u4f60\u8fd8\u539f\u771f\u5b9e\u5f00\u53d1\u573a\u666f\uff0c\u642d\u5efa\u51fa\u4e00\u4e2a\u8682\u8681\u91d1\u670d\u7684\u540e\u7aef\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/11\/20201101_5f9f10add5360.png\" alt=\"\u4e24\u6b21\u9762\u8dea\u963f\u91cc\uff0c 7 \u5e74\u5de5\u4f5c\u7ecf\u9a8c\u8fde\u4e2a P6+\u90fd\u4e0d\u914d\u62e5\u6709\u5417\uff1f\" \/><\/p>\n<h2><strong>\u8bfe\u7a0b\u8c01\u6765\u8bb2\uff1f<\/strong><\/h2>\n<p><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/11\/20201101_5f9f10bc273f1.png\" alt=\"\u4e24\u6b21\u9762\u8dea\u963f\u91cc\uff0c 7 \u5e74\u5de5\u4f5c\u7ecf\u9a8c\u8fde\u4e2a P6+\u90fd\u4e0d\u914d\u62e5\u6709\u5417\uff1f\" \/><\/p>\n<p>\u72b9\u8c6b\u8fd9\u95e8\u8bfe\u597d\u4e0d\u597d 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