{"id":216478,"date":"2020-11-21T22:39:13","date_gmt":"2020-11-21T14:39:13","guid":{"rendered":"http:\/\/4563.org\/?p=216478"},"modified":"2020-11-21T22:39:13","modified_gmt":"2020-11-21T14:39:13","slug":"java-%e9%9d%a2%e8%af%95%e7%9a%84%e7%9a%84%e6%97%b6%e5%80%99%e4%bd%a0%e8%a2%ab%e6%8f%90%e8%bf%87%e5%93%aa%e4%ba%9b%e9%97%ae%e9%a2%98%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=216478","title":{"rendered":"Java \u9762\u8bd5\u7684\u7684\u65f6\u5019\u4f60\u88ab\u63d0\u8fc7\u54ea\u4e9b\u95ee\u9898\uff1f"},"content":{"rendered":"
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\n

Java \u9762\u8bd5\u7684\u7684\u65f6\u5019\u4f60\u88ab\u63d0\u8fc7\u54ea\u4e9b\u95ee\u9898\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : hakunamatata11 <\/span> <\/i> 2<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

Java \u9762\u8bd5\u53ef\u4ee5\u95ee\u7684\u95ee\u9898\u592a\u591a\u4e86\uff0c\u6211\u76ee\u524d\u5728 BAT \u67d0\u5382\u4efb\u804c\u9ad8\u7ea7\u6280\u672f\u4e13\u5bb6\uff0c\u4e0d\u8fc7\u4ece\u672a\u79bb\u5f00\u8fc7\u5f00\u53d1\u4e00\u7ebf\uff0c\u81ea\u5df1\u4e5f\u505a\u9762\u8bd5\u5b98\uff0c\u8bf4\u8bf4\u6211\u9762\u8bd5\u7684\u65f6\u5019\u4e00\u822c\u4f1a\u95ee\u4ec0\u4e48\u95ee\u9898\u5427\u3002\u5176\u5b9e\u5177\u4f53\u54ea\u4e2a\u95ee\u9898\u4e0d\u662f\u5173\u952e\uff0c\u6211\u60f3\u8bf4\u7684\u662f\u8fd9\u4e9b\u95ee\u9898\u80cc\u540e\uff0c\u4f5c\u4e3a\u9762\u8bd5\u5b98\u662f\u600e\u4e48\u60f3\u7684\u3002<\/p>\n

\n

Java \u4e2d\u64cd\u4f5c\u5b57\u7b26\u4e32\u90fd\u6709\u54ea\u4e9b\u7c7b\uff1f\u5b83\u4eec\u4e4b\u95f4\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong><\/p>\n<\/blockquote>\n

\u7b54\u6848\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n

\n

String\uff0cStringBuffer\uff0cStringBuilder \u3002\u533a\u522b String \u58f0\u660e\u7684\u662f\u4e0d\u53ef\u53d8\u7684\u5bf9\u8c61\uff0c\u6bcf\u6b21\u64cd\u4f5c\u5fc5\u7136\u4ea7\u751f\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\uff1b StringBuffer \u548c StringBuilder \u90fd\u7ee7\u627f\u81ea\u62bd\u8c61\u7c7b AbstractStringBuilder \uff1b StringBuffer \u5177\u5907\u7ebf\u7a0b\u5b89\u5168\u6027\uff1b<\/p>\n<\/blockquote>\n

\n

\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

\u867d\u7136\u770b\u8d77\u6765\u7b80\u5355\uff0c\u4f46\u4ece\u7b54\u6848\u7ec4\u7ec7\u7b56\u7565\u6765\u770b\uff0c\u77e5\u9053\u6709\u4ec0\u4e48\uff0c\u77e5\u9053\u4e3a\u4ec0\u4e48\uff0c\u77e5\u9053\u600e\u4e48\u7528\u7f3a\u4e00\u4e0d\u53ef\uff0c\u5426\u5219\u5c31\u7b49\u7740\u9762\u8bd5\u5b98\u7684\u7075\u9b42\u62f7\u95ee\u5427\u3002<\/strong><\/p>\n

\u8fd9\u91cc\u9762\u8fd8\u6709\u4e24\u4e2a\u52a0\u5206\u9879\uff1a<\/strong><\/h2>\n

1.\u77e5\u9053 StringBuffer \u548c StringBuilder \u90fd\u7ee7\u627f\u81ea\u62bd\u8c61\u7c7b AbstractStringBuilder<\/p>\n

2.String \u7684\u6e90\u7801\u89e3\u8bfb\uff1afinal \u4fee\u9970–>\u4e0d\u53ef\u53d8–>\u6bcf\u6b21\u64cd\u4f5c\u90fd\u4f1a\u751f\u6210\u65b0\u7684 String \u5bf9\u8c61\uff1b\u5bf9\u6bd4 StringBuffer \u548c StringBuilder–>\u503c\u53ef\u53d8\uff0c\u62fc\u63a5\u5b57\u7b26\u4e32\u5f00\u9500<\/p>\n

\u8fd9\u53ea\u80fd\u7b97\u5f00\u573a\u70ed\u8eab\uff0c\u63a5\u4e0b\u6765\u624d\u662f\u91cd\u70b9\u3002<\/p>\n

\u9762\u8bd5\u5b98\u4f1a\u95ee\u4f60\u7ebf\u7a0b\u5b89\u5168\u6027<\/strong>\u3002\u53ef\u4ee5\u76f4\u63a5\u67e5\u6e90\u7801\uff0c\u627e synchronized \u3001\u7ebf\u7a0b\u9501\uff0c\u5f97\u5230\u7ed3\u8bba\uff1aStringBuffer \u5177\u5907\u7ebf\u7a0b\u5b89\u5168\u6027\u3002<\/p>\n

\u4f60\u4ee5\u4e3a\u8981\u7ed3\u675f\u4e86\uff1f\u63a5\u7740\u95ee\uff1a\u65e2\u7136 StringBuffer \u5177\u5907\u7ebf\u7a0b\u5b89\u5168\u6027\uff0c\u8fed\u4ee3\u5f00\u9500\u53c8\u5c0f\uff0c\u90a3\u6211\u4eec\u5728\u5de5\u7a0b\u5b9e\u8df5\u4e2d\u662f\u4e0d\u662f\u9996\u9009 StringBuffer \u5c31\u53ef\u4ee5\u4e86\uff1f\u8fd9\u5c31\u662f\u8003\u9a8c\u4f60\u7684\u6279\u5224\u6027\u601d\u7ef4<\/strong>\u3002<\/p>\n

JDK \u548c JRE \u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h2>\n

\u666e\u901a\u89e3\u7b54\uff1a\u5177\u4f53\u6765\u8bf4 JDK \u5176\u5b9e\u5305\u542b\u4e86 JRE\uff0c\u540c\u65f6\u8fd8\u5305\u542b\u4e86\u7f16\u8bd1 Java \u6e90\u7801\u7684\u7f16\u8bd1\u5668 javac\uff0c\u8fd8\u5305\u542b\u4e86\u5f88\u591a Java \u7a0b\u5e8f\u8c03\u8bd5\u548c\u5206\u6790\u7684\u5de5\u5177\u3002\u7b80\u5355\u6765\u8bf4\uff1a\u5982\u679c\u9700\u8981\u8fd0\u884c Java \u7a0b\u5e8f\uff0c\u53ea\u9700\u5b89\u88c5 JRE \u5c31\u53ef\u4ee5\u4e86\uff0c\u5982\u679c\u9700\u8981\u7f16\u5199 Java \u7a0b\u5e8f\uff0c\u9700\u8981\u5b89\u88c5 JDK \u3002<\/p>\n

\u8ffd\u95ee\uff1a\u9664\u4e86 javac\uff0c\u4f60\u8fd8\u4e86\u89e3\u4e9b\u4ec0\u4e48\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5b83\u4eec\u7684\u7528\u9014\u662f\u4ec0\u4e48\uff1f<\/p>\n

    \n
  • Jcmd\uff1a\u7efc\u5408\u5de5\u5177<\/li>\n
  • jps\uff1a\u865a\u62df\u673a\u8fdb\u7a0b\u72b6\u51b5\u5de5\u5177<\/li>\n
  • jstat\uff1a\u865a\u62df\u673a\u7edf\u8ba1\u4fe1\u606f\u76d1\u89c6\u5de5\u5177<\/li>\n
  • jinfo\uff1aJava \u914d\u7f6e\u4fe1\u606f\u5de5\u5177<\/li>\n
  • jmap\uff1aJava \u5185\u5b58\u6620\u50cf\u5de5\u5177<\/li>\n<\/ul>\n

    \u2026\u2026<\/p>\n

    \u8ffd\u95ee\uff1a\u5bf9\u4e8e jstat\uff0c\u4f60\u4e86\u89e3\u54ea\u4e9b\u53c2\u6570\uff1f<\/p>\n

    \"Java<\/p>\n

    \u8fd9\u91cc\u9762\u8bd5\u5b98\u53ef\u80fd\u4f1a\u89c6\u4f60\u7684\u56de\u7b54\u7ee7\u7eed\u6765\u95ee\u3002<\/h2>\n

    1 \uff09\u5982\u679c\u4f60\u63d0\u5230 class\uff0c\u9762\u8bd5\u5b98\u53ef\u80fd\u4f1a<\/p>\n

    \n

    \u8ffd\u95ee\u4e00\uff1aClass \u52a0\u8f7d\u7684\u65f6\u673a\uff1f<\/p>\n<\/blockquote>\n

    \u56de\u7b54\u8981\u70b9\uff1a<\/p>\n

      \n
    • \u542f\u52a8\u7c7b\u52a0\u8f7d\u5668\uff0c\u6839\u8f6c\u8f7d\u5668\uff0c\u7528\u6237\u4e0d\u53ef\u8bbf\u95ee\uff0cBootstrap ClassLoader\uff0c\u52a0\u8f7d JAVA_HOMElib\uff0c\u6216\u8005\u88ab-Xbootclasspath \u53c2\u6570\u9650\u5b9a\u7684\u7c7b\uff1b<\/li>\n
    • \u6269\u5c55\u7c7b\u52a0\u8f7d\u5668\uff0cExtension ClassLoader\uff0c\u52a0\u8f7dlibext\uff0c\u6216\u8005\u88ab java.ext.dirs \u7cfb\u7edf\u53d8\u91cf\u6307\u5b9a\u7684\u7c7b\uff1b<\/li>\n
    • \u5e94\u7528\u7a0b\u5e8f\u7c7b\u52a0\u8f7d\u5668\uff0cApplication ClassLoader\uff0c\u52a0\u8f7d ClassPath \u4e2d\u7684\u7c7b\u5e93\uff1b<\/li>\n
    • \u81ea\u5b9a\u4e49\u7c7b\u52a0\u8f7d\u5668\uff0c\u901a\u8fc7\u7ee7\u627f ClassLoader \u5b9e\u73b0\uff0c\u4e00\u822c\u662f\u52a0\u8f7d\u6211\u4eec\u7684\u81ea\u5b9a\u4e49\u7c7b\u3002<\/li>\n<\/ul>\n
      \n

      \u8ffd\u95ee\u4e8c\uff1aClass \u52a0\u8f7d\u7684\u8fc7\u7a0b\uff1f<\/p>\n<\/blockquote>\n

      \u56de\u7b54\uff1a\u52a0\u8f7d\u2192\u9a8c\u8bc1\u2192\u51c6\u5907\u2192\u89e3\u6790\u2192\u521d\u59cb\u5316\u2192\u4f7f\u7528\u2192\u5378\u8f7d<\/p>\n

      2 \uff09\u5982\u679c\u4f60\u63d0\u5230\u4e86 gc\uff0c\u9762\u8bd5\u5b98\u53ef\u4ee5\u95ee\uff1a\u8c08\u8c08\u4f60\u5bf9 Java \u865a\u62df\u673a\u6808\u7684\u4e86\u89e3\u3002<\/p>\n

      \u7136\u540e\u8ffd\u95ee\uff1aJVM \u7684\u5783\u573e\u56de\u6536\u7b97\u6cd5\u6709\u54ea\u4e9b\uff1f<\/p>\n

      \u5c31\u4e0d\u4e00\u4e00\u8d34\u7b54\u6848\u4e86\uff0c\u6709\u5174\u8da3\u7684\u53ef\u4ee5\u770bB \u7ad9\u5b8c\u6574\u89c6\u9891\u3002<\/p>\n

      \u518d\u4e3e\u4e2a\u4f8b\u5b50\uff1a<\/p>\n

      == \u548c equals \u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/h2>\n

      \u7b54\u6848\u8981\u70b9\uff1a\u4e24\u4e2a\u65b9\u6cd5\u90fd\u662f\u6bd4\u8f83\u7b49\u4ef7\u6027\uff0c\u5b83\u4eec\u7684\u533a\u522b\u8981\u4ece\u201c\u57fa\u672c\u7c7b\u578b\u201d\u548c\u201c\u5f15\u7528\u7c7b\u578b\u201d\u6765\u770b\uff0c\u4f5c\u4e3a\u57fa\u672c\u7c7b\u578b\u6765\u8bf4\uff0c\u5b83\u4eec\u6bd4\u8f83\u7684\u90fd\u662f\u503c\uff0c\u4f5c\u4e3a\u5f15\u7528\u7c7b\u578b\u2014\u2014\u5bf9\u8c61\u6765\u8bf4\uff0c\u5b83\u4eec\u6bd4\u8f83\u7684\u662f\u53cc\u65b9\u662f\u5426\u4e3a\u540c\u4e00\u4e2a\u5bf9\u8c61\u3002<\/p>\n

      \u5982\u679c\u4f60\u770b\u8fc7 equals()\u7684\u539f\u751f\u5b9e\u73b0\u7684\u8bdd\uff0c\u5c31\u53ef\u4ee5\u53d1\u73b0\u5b83\u4eec\u4e4b\u95f4\u76f4\u63a5\u7684\u5173\u7cfb\uff1a<\/p>\n

      public  boolean  equals(Object obj){  return (this == obj);  } <\/code><\/pre>\n
      \u6240\u4ee5\u80fd\u8bf4\u51fa\u4e0b\u9762\u7684\u5185\u5bb9\u5219\u52a0\u5206\uff1a\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u91cd\u8f7d Object \u4e2d\u7684 equals \u65b9\u6cd5\u6765\u5b9e\u73b0\u81ea\u5b9a\u4e49\u7684\u7b49\u4ef7\u8ba1\u7b97\u65b9\u6cd5\u3002\u6bd4\u5982\uff0c\u5728 String \u7c7b\u578b\u4e2d\uff0c\u7531\u4e8e\u6e90\u7801\u4e2d\u91cd\u65b0\u5b9e\u73b0\u4e86\u8be5\u65b9\u6cd5\uff0c\u6240\u4ee5\u4f1a\u4ea7\u751f\u4e0b\u9762\u7684\u7ed3\u679c\uff1a<\/p>\n
      public boolean equals(Object anObject) {   if (this == anObject) {   return  true;  }  if (anObject instanceof String) {  \u00a0 \u00a0 \u00a0 \u00a0 String anotherString = (String)anObject;   int n = value.length;   if (n == anotherString.value.length) {   char v1[] = value;   char v2[] = anotherString.value;   int i = 0;   while (n-- != 0) {   if (v1[i] != v2[i])   return  false;  \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 i++;  \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }   return  true;  \u00a0 \u00a0 \u00a0 \u00a0 }  \u00a0 \u00a0 }   return  false;  } <\/code><\/pre>\n
      \n
      Tips\uff1a\u7528\u5b57\u7b26\u4e32\u5e38\u91cf\u5b9e\u4f8b\u5316\u7684 String \u7684\u5185\u5bb9\u5176\u5b9e\u662f\u4fdd\u7559\u5728\u5e38\u91cf\u533a\u3002<\/p>\n<\/blockquote>\n
      \u4f8b\u5982\uff1a<\/p>\n
      String x = “string”<\/p>\n
      String y = “string”<\/p>\n
      x==y \u2014\u2014> true<\/p>\n
      \u5f15\u7528\u7684\u90fd\u662f\u5e38\u91cf\u533a\u7684\u540c\u4e00\u4e2a\u6570\u636e\u9879\uff0c\u6240\u4ee5\u6709\u4e0a\u9762\u7684\u7ed3\u679c\u3002<\/p>\n
      \u8fd9\u9898\u7684\u8003\u5bdf\u70b9\u662f equals()\u7684\u6982\u5ff5\uff0c\u5b9e\u9645\u8981\u6c42\u662f\u5e73\u65f6\u5bf9\u6e90\u7801\u7684\u6df1\u6316\u610f\u8bc6\u5373\u6280\u672f\u94bb\u7814\u548c\u6279\u5224\u6027\u601d\u7ef4\u3002<\/p>\n
      HashMap \u3001Hashtable \u3001TreeMap \u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong><\/h2>\n
      Hashtable \u3001HashMap \u3001TreeMap \u90fd\u662f\u6700\u5e38\u89c1\u7684\u4e00\u4e9b Map \u5b9e\u73b0\uff0c\u662f\u4ee5\u952e\u503c\u5bf9\u7684\u5f62\u5f0f\u5b58\u50a8\u548c\u64cd\u4f5c\u6570\u636e\u7684\u5bb9\u5668\u7c7b\u578b\u3002<\/p>\n
      Hashtable \u662f Java \u7c7b\u5e93\u63d0\u4f9b\u7684\u4e00\u4e2a\u54c8\u5e0c\u5b9e\u73b0\uff0c\u672c\u8eab\u662f\u540c\u6b65\u7684\uff0c\u4e0d\u652f\u6301 null \u952e\u548c null \u503c\uff0c\u7531\u4e8e\u540c\u6b65\u5bfc\u81f4\u6027\u80fd\u5f00\u9500\uff0c\u6240\u4ee5\u5df2\u7ecf\u5f88\u5c11\u88ab\u63a8\u8350\u4f7f\u7528\u3002<\/p>\n
      HashMap \u662f\u5e94\u7528\u66f4\u52a0\u5e7f\u6cdb\u7684\u54c8\u5e0c\u8868\u5b9e\u73b0\uff0c\u884c\u4e3a\u4e0a\u5927\u81f4\u4e0e HashTable \u4e00\u81f4\uff0c\u4e3b\u8981\u533a\u522b\u5728\u4e8e HashMap \u4e0d\u662f\u540c\u6b65\u7684\uff0c\u652f\u6301 null \u952e\u548c null \u503c\u7b49\u3002\u901a\u5e38\u60c5\u51b5\u4e0b HashMap \u8fdb\u884c get \u548c put \u64cd\u4f5c\u53ef\u4ee5\u8fbe\u5230\u5e38\u6570\u65f6\u95f4\u7684\u6027\u80fd\uff0c\u6240\u4ee5\u5b83\u662f\u7edd\u5927\u90e8\u5206\u5229\u7528\u952e\u503c\u5bf9\u5b58\u53d6\u573a\u666f\u7684\u9996\u9009\u3002<\/p>\n
      TreeMap \u5219\u662f\u57fa\u4e8e\u7ea2\u9ed1\u6811\u7684\u4e00\u79cd\u63d0\u4f9b\u987a\u5e8f\u8bbf\u95ee\u7684 Map\uff0c\u5b83\u7684 get \u3001put \u3001remove \u4e4b\u7c7b\u7684\u64cd\u4f5c\u90fd\u662f O(logn)\u7684\u65f6\u95f4\u590d\u6742\u5ea6\uff0c\u5177\u4f53\u987a\u5e8f\u53ef\u4ee5\u7531\u6307\u5b9a\u7684 Comparator \u6765\u51b3\u5b9a\uff0c\u6216\u8005\u6839\u636e\u952e\u7684\u81ea\u7136\u987a\u5e8f\u6765\u5224\u65ad\u3002<\/p>\n
      \u82e5\u5728\u5355\u7ebf\u7a0b\u4e2d\uff0c\u6211\u4eec\u5f80\u5f80\u4f1a\u9009\u62e9 HashMap \uff1b\u800c\u5728\u591a\u7ebf\u7a0b\u4e2d\uff0c\u5219\u4f1a\u9009\u62e9 Hashtable \uff1b\u82e5\u4e0d\u80fd\u63d2\u5165 null \u5143\u7d20\uff0c\u5219\u9009\u62e9 Hashtable \u3002<\/p>\n
      \u603b\u4e4b\uff0c\u5927\u5382\u9762\u8bd5 Java \u7a0b\u5e8f\u5458\u7684\u57fa\u672c\u539f\u5219\u5c31\u662f\u4ece\u5e38\u8bc6\u5f00\u59cb\uff0c\u9010\u6e10\u8bf1\u5bfc\uff0c\u8003\u5bdf\u539f\u7406\u7406\u89e3\u7684\u5b8c\u6574\u5ea6\u548c\u6df1\u5ea6\u3002\u8003\u5bdf\u601d\u8def\uff1a<\/p>\n
        \n
      1. \u7b80\u5355\u7684\u8bdd\u9898\u5f15\u5165\uff0c\u9ebb\u75f9\u5019\u9009\u4eba<\/li>\n
      2. \u627e\u4e00\u4e2a\u89d2\u5ea6 \/\u5de5\u5177\u8ba9\u5019\u9009\u4eba\u53bb\u5339\u914d\u573a\u666f<\/li>\n
      3. \u6df1\u6316\u80cc\u540e\u7684\u539f\u7406<\/li>\n<\/ol>\n
        \u9762\u8bd5\u9898\u6210\u5343\u4e0a\u4e07\uff0c\u542c\u8d77\u6765\u53ea\u662f\u8981\u95ee\u9898\u7684\u89e3\u6cd5\u65b9\u5411\u3002 \u2014\u2014\u5176\u5b9e\u4e0d\u662f<\/p>\n
        \u6bd4\u5982\u9762\u8bd5\u5b98\u95ee\uff1a<\/p>\n
          \n
        • \u4f60\u7684\u7cfb\u7edf\u6700\u9ad8\u5e76\u53d1\u662f\u591a\u5c11\uff1f<\/li>\n
        • \u5982\u679c\u6709\u4e00\u5929\u5e76\u53d1\u8fbe\u5230 5 \u4e07 KPS\uff0c\u7cfb\u7edf\u9700\u8981\u54ea\u4e9b\u6539\u8fdb\uff1f<\/li>\n
        • \u5f53\u7136\u4e5f\u53ef\u4ee5\u95ee\uff0c\u5728\u4f60\u7684\u7cfb\u7edf\u67b6\u6784\u91cc\u9762<\/li>\n
        • \u9ad8\u901f\u7f13\u5b58 \/\u6570\u636e\u5e93\u5206\u8868\uff0c\u8fd9\u4e9b\u7684\u7528\u9014\u662f\u4ec0\u4e48\uff1f\u5b83\u4eec\u7684\u539f\u7406\u662f\u4ec0\u4e48\uff1f<\/li>\n<\/ul>\n
          \u8fd9\u4e9b\u5176\u5b9e\u662f\u4e00\u4e2a\u95ee\u9898\uff0c\u5c31\u662f\u9ad8\u5e76\u53d1\u3002 \u6280\u672f\u4e07\u53d8\u4e0d\u79bb\u5176\u5b97\uff0c\u8bb2\u7a76\u7684\u662f\u6574\u4f53\u6027\u7684\u901a\u7528\u6280\u672f\u6808\u3002<\/p>\n
          \u6700\u540e\uff0c\u9762\u8bd5\u4e2d\u4f60\u7684\u6bcf\u4e00\u6b21\u56de\u7b54\u90fd\u8981\u73cd\u60dc\uff0c\u6bcf\u4e00\u53e5\u8bdd\u90fd\u8981\u659f\u914c\u3002\u4f60\u8981\u544a\u8bc9\u9762\u8bd5\u5b98\uff1a\u4f60\u771f\u7684\u5f88\u4e13\u4e1a\u3002<\/p>\n
          \u603b\u4f53\u6765\u8bf4\uff0c\u5927\u5382\u62db\u8058\u8981\u6c42\u662f\u8d8a\u6765\u8d8a\u4e25\u82db\u7684\u3002\u6240\u4ee5\u5728\u6211\u4e3b\u8bb2\u7684\u300aJava \u9ad8\u7ea7\u5de5\u7a0b\u5e08 P6+\u300b\u6253\u6cd5\u5c31\u662f\u6280\u672f\u6808\u7684\u901a\u900f\u8bb2\u6388\u3001\u6e90\u7801\u7684\u5206\u6790\u5bfc\u8bfb\u3001\u8d34\u8fd1\u771f\u5b9e\u7684\u5de5\u7a0b\u5b9e\u8df5\u3001\u5927\u5382\u601d\u7ef4\u7684\u67b6\u6784\u5347\u7ea7\u3002\u76ee\u6807\u4e5f\u4e0d\u662f\u57f9\u517b\u666e\u901a\u642c\u7816\u7801\u519c\uff0c\u800c\u662f\u61c2\u539f\u7406\u3001\u77e5\u6e90\u7801\u3001\u4f1a\u5237\u9898\u3001\u80fd\u642d\u5efa\u9ad8\u53ef\u7528\u67b6\u6784\u7684\u9ad8\u7ea7\u5de5\u7a0b\u5e08 \/\u67b6\u6784\u5e08\uff0c\u73b0\u5728\u524d\u4e24\u7ae0\u514d\u8d39\u8bd5\u542c\u54e6~<\/p>\n
          \u5173\u4e8e\u5927\u5382 Java \u9762\u8bd5\u7684\u7279\u70b9\u548c\u5e94\u5bf9\u65b9\u5f0f\uff0c\u6211\u5c06\u5728\u300a Java \u9ad8\u7ea7\u5de5\u7a0b\u5e08 P6+\u300b\u9996\u8282\u516c\u5f00\u8bfe\u4e2d\u5206\u4eab\uff0c\u6709\u5174\u8da3\u7684\u540c\u5b66\u53ef\u4ee5\u6765\u514d\u8d39<\/strong>\u8bd5\u542c\u524d\u4e24\u7ae0\u3002<\/p>\n<\/p><\/div>\n
           \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (0<\/span>)        <\/div>\n
           <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
            \n
          • \n","protected":false},"excerpt":{"rendered":"
            Java \u9762\u8bd5\u7684\u7684\u65f6\u5019\u4f60\u88ab\u63d0\u8fc7\u54ea\u4e9b…<\/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\/216478"}],"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=216478"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/216478\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=216478"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=216478"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=216478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}