{"id":48,"date":"2014-07-11T13:23:01","date_gmt":"2014-07-11T05:23:01","guid":{"rendered":"http:\/\/www.espandy.com\/?p=48"},"modified":"2014-07-11T14:13:28","modified_gmt":"2014-07-11T06:13:28","slug":"java%e7%a8%8b%e5%ba%8f%e5%91%98%e5%b8%b8%e7%8a%af%e7%9a%8410%e4%b8%aa%e9%94%99%e8%af%af","status":"publish","type":"post","link":"https:\/\/www.espandy.com\/?p=48","title":{"rendered":"Java\u7a0b\u5e8f\u5458\u5e38\u72af\u768410\u4e2a\u9519\u8bef"},"content":{"rendered":"<p>\u8f6c\u81ea\uff1ahttp:\/\/www.admin10000.com\/document\/4576.html<br \/>\n\u672c\u6587\u603b\u7ed3\u4e86Java\u7a0b\u5e8f\u5458\u5e38\u72af\u768410\u4e2a\u9519\u8bef\u3002<\/p>\n<p>\u3000\u3000#1. \u628aArray\u8f6c\u5316\u6210ArrayList<\/p>\n<p>\u3000\u3000\u628aArray\u8f6c\u5316\u6210ArrayList\uff0c\u7a0b\u5e8f\u5458\u7ecf\u5e38\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<p>List<string> list = Arrays.asList(arr);<br \/>\n\u3000\u3000Arrays.asList() \u5b9e\u9645\u4e0a\u8fd4\u56de\u4e00\u4e2aArrayList\uff0c\u4f46\u662f\u8fd9\u4e2aArrayList\u662fArrays\u7684\u4e00\u4e2a\u5185\u90e8\u79c1\u6709\u7c7b\uff0c\u800c\u4e0d\u662fjava.util.ArrayList\u7c7b\u3002\u8fd9\u4e2a\u79c1\u6709\u7c7bjava.util.Arrays.ArrayList\u6709set(), get(), contains()\u65b9\u6cd5\uff0c\u4f46\u662f\u4e0d\u80fd\u591f\u6dfb\u52a0\u65b0\u7684\u5143\u7d20\u3002\u5b83\u7684\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\u3002\u5982\u679c\u4f60\u60f3\u8981\u4e00\u4e2ajava.util.ArrayList\uff0c\u6b63\u786e\u7684\u65b9\u6cd5\u662f:<\/p>\n<p>ArrayList<\/string><string> arrayList = new ArrayList<\/string><string>(Arrays.asList(arr));<br \/>\n\u3000\u3000java.util.ArrayList\u7684\u6784\u9020\u51fd\u6570\u53ef\u4ee5\u63a5\u53d7\u4e00\u4e2a\u96c6\u5408\u7c7b\u578b\u3002java.util.Arrays.ArrayList\u4e5f\u7ee7\u627f\u4e86\u96c6\u5408\u7c7b\u578b\uff0c\u6240\u4ee5\u53ef\u4ee5\u4f5c\u7528\u53c2\u6570\u4f7f\u7528\u3002<\/p>\n<p>\u3000\u3000#2. \u68c0\u67e5\u6570\u7ec4\u662f\u5426\u5305\u542b\u4e00\u4e2a\u503c<\/p>\n<p>\u3000\u3000\u5f00\u53d1\u4eba\u5458\u7ecf\u5e38\u505a\u7684\u662f\uff1a<\/p>\n<p>Set<\/string><string> set = new HashSet<\/string><string>(Arrays.asList(arr));<br \/>\nreturn set.contains(targetValue);<br \/>\n\u3000\u3000\u8fd9\u4e2a\u4ee3\u7801\u662f\u5de5\u4f5c\u7684\uff0c\u4f46\u6ca1\u6709\u6ca1\u6709\u6548\u7387\u3002\u628a\u5217\u8868\u8f6c\u6362\u6210set\u6ca1\u6709\u5fc5\u8981\uff0c\u9700\u8981\u989d\u5916\u7684\u65f6\u95f4\u3002\u6b63\u786e\u7684\u65b9\u6cd5\u662f\uff1a<\/p>\n<p>Arrays.asList(arr).contains(targetValue);<br \/>\n\u3000\u3000\u6216\u8005\uff0c\u4e00\u4e2a\u7b80\u5355\u7684loop\uff1a<\/p>\n<p>for(String s: arr){<br \/>\n    if(s.equals(targetValue))<br \/>\n        return true;<br \/>\n}<br \/>\nreturn false;<br \/>\n\u3000\u3000\u7b2c\u4e00\u79cd\u6bd4\u7b2c\u4e8c\u79cd\u66f4\u5177\u6709\u53ef\u8bfb\u6027\u3002<\/p>\n<p>\u3000\u3000#3. \u5728\u5faa\u73af\u4e2d\u5220\u9664\u4e00\u4e2a\u5217\u8868\u5143\u7d20<\/p>\n<p>\u3000\u3000\u8003\u8651\u4e0b\u9762\u7684\u4ee3\u7801\uff0c\u8fed\u4ee3\u8fc7\u7a0b\u4e2d\u5220\u9664\u5143\u7d20\uff1a<\/p>\n<p>ArrayList<\/string><string> list = new ArrayList<\/string><string>(Arrays.asList(&#8220;a&#8221;, &#8220;b&#8221;, &#8220;c&#8221;, &#8220;d&#8221;));<br \/>\nfor (int i = 0; i &lt; list.size(); i++) {<br \/>\n    list.remove(i);<br \/>\n}<br \/>\nSystem.out.println(list);<br \/>\n\u3000\u3000\u8fd9\u6bb5\u4ee3\u7801\u7684\u8f93\u51fa\u662f\uff1a<\/p>\n<p>[b, d]<br \/>\n\u3000\u3000\u8fd9\u4e2a\u65b9\u6cd5\u6709\u4e00\u4e2a\u4e25\u91cd\u7684\u95ee\u9898\u3002\u5f53\u5143\u7d20\u88ab\u79fb\u9664\uff0c\u8be5\u5217\u8868\u7684\u5927\u5c0f\u7f29\u51cf\uff0c\u5143\u7d20\u7d22\u5f15\u4e5f\u968f\u4e4b\u53d1\u751f\u4e86\u53d8\u5316\u3002\u6240\u4ee5\uff0c\u5982\u679c\u4f60\u60f3\u901a\u8fc7\u4f7f\u7528\u7d22\u5f15\u6765\u5220\u9664\u4e00\u4e2a\u5faa\u73af\u5185\u7684\u591a\u4e2a\u5143\u7d20\uff0c\u5c31\u4f1a\u5bfc\u81f4\u9519\u8bef\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u3000\u3000\u4f60\u53ef\u80fd\u731c\u5230\u53ef\u4ee5\u4f7f\u7528iterator\u6765\u5220\u9664\u5faa\u73af\u4e2d\u7684\u5143\u7d20\u3002\u5728Java\u4e2d\u7684foreach\u5faa\u73af\u7684\u5de5\u4f5c\u539f\u7406\u5c31\u50cf\u4e00\u4e2aiterator\u3002 \u4f46\u662f\u5728\u8fd9\u91cc\u4e5f\u4f1a\u53d1\u751f\u9519\u8bef\u3002\u8bf7\u770b\u4e0b\u9762\u7684\u4ee3\u7801\uff1a<\/p>\n<p>ArrayList<String> list = new ArrayList<\/string><string>(Arrays.asList(&#8220;a&#8221;, &#8220;b&#8221;, &#8220;c&#8221;, &#8220;d&#8221;));<\/p>\n<p>for (String s : list) {<br \/>\n    if (s.equals(&#8220;a&#8221;))<br \/>\n        list.remove(s);<br \/>\n}<br \/>\n\u3000\u3000\u4e0a\u9762\u7684foreach loop\u4ee3\u7801\u4f1a\u629b\u51fa\u4e00\u4e2a\u5f02\u5e38ConcurrentModificationException. \u4f46\u662f\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\u4e0d\u4f1a\u3002<\/p>\n<p>ArrayList<\/string><string> list = new ArrayList<\/string><string>(Arrays.asList(&#8220;a&#8221;, &#8220;b&#8221;, &#8220;c&#8221;, &#8220;d&#8221;));<br \/>\nIterator<\/string><string> iter = list.iterator();<br \/>\nwhile (iter.hasNext()) {<br \/>\n    String s = iter.next();<br \/>\n    if (s.equals(&#8220;a&#8221;)) {<br \/>\n        iter.remove();<br \/>\n    }<br \/>\n}<br \/>\n\u3000\u3000\u901a\u8fc7\u5206\u6790ArrayList.iterator()\u7684\u539f\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0next()\u65b9\u6cd5\u5fc5\u987b\u8981\u5728remove()\u65b9\u6cd5\u524d\u88ab\u8c03\u7528\u3002\u5728foreach loop\u4e2d\uff0c\u7f16\u8bd1\u5668\u4ea7\u751f\u7684\u4ee3\u7801\u4f1a\u5148\u8c03\u7528next()\u65b9\u6cd5\uff0c\u4ece\u800c\u4ea7\u751f\u5f02\u5e38ConcurrentModificationException\u3002\u8bf7\u67e5\u770bArrayList.iterator()\u7684\u539f\u4ee3\u7801\u3002<\/p>\n<p>\u3000\u3000#4. Hashtable \u4e0e HashMap<\/p>\n<p>\u3000\u3000\u6309\u7167\u7b97\u6cd5\u60ef\u4f8b\uff0cHashtable\u662f\u6570\u636e\u7ed3\u6784\u7684\u540d\u79f0\u3002\u4f46\u5728Java\u4e2d\uff0c\u6570\u636e\u7ed3\u6784\u7684\u540d\u79f0\u662fHashMap\u3002Hashtable\u662f\u540c\u6b65\u7684\u7248\u672c\u3002\u6240\u4ee5\u5f88\u591a\u65f6\u5019\u4f60\u5e76\u4e0d\u9700\u8981Hashtable\uff0c\u800c\u662fHashMap\u3002 \u8fd9\u4e24\u7bc7\u6587\u7ae0\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u5404\u79cdMap\u7684\u533a\u522b\u548c\u5e38\u89c1\u7684\u95ee\u9898\uff1a HashMap vs. TreeMap vs. Hashtable vs. LinkedHashMap, Map\u5e38\u89c110\u5927\u95ee\u9898,<\/p>\n<p>\u3000\u3000#5.\u4f7f\u7528\u539f\u59cb\u7c7b\u578bCollection<\/p>\n<p>\u3000\u3000\u5728Java\u4e2d\uff0c\u539f\u59cb\u7c7b\u578b\u548c\u65e0\u754c\u901a\u914d\u7b26\u7c7b\u578b\u5f88\u5bb9\u6613\u6df7\u5728\u4e00\u8d77\u3002\u4ee5Set\u4e3a\u4f8b\uff0cSet\u662f\u539f\u59cb\u7c7b\u578b\uff0c\u800cSet&lt; ?>\u662f\u65e0\u754c\u901a\u914d\u7b26\u7c7b\u578b\u3002<\/p>\n<p>\u3000\u3000\u8003\u8651\u4e0b\u9762\u7684\u4ee3\u7801\uff0c\u5b83\u4f7f\u7528\u539f\u59cb\u7c7b\u578b\u7684List\u4f5c\u4e3a\u53c2\u6570\uff1a<\/p>\n<p>public static void add(List list, Object o){<br \/>\n    list.add(o);<br \/>\n}<br \/>\npublic static void main(String[] args){<br \/>\n    List<\/string><string> list = new ArrayList<\/string><string>();<br \/>\n    add(list, 10);<br \/>\n    String s = list.get(0);<br \/>\n}<br \/>\n\u3000\u3000\u6b64\u4ee3\u7801\u5c06\u629b\u51fa\u4e00\u4e2a\u5f02\u5e38\uff1a<\/p>\n<p>Exception in thread &#8220;main&#8221; java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String<br \/>\n    at &#8230;<br \/>\n\u3000\u3000\u4f7f\u7528\u539f\u59cb\u7c7b\u578b\u7684Collection\u662f\u5371\u9669\u7684\uff0c\u56e0\u4e3a\u539f\u59cb\u7c7b\u578b\u7684Collection\u8df3\u8fc7\u7c7b\u578b\u68c0\u67e5\u3002\u53e6\u5916\u503c\u5f97\u4e00\u63d0\u7684\u662fSet, Set&lt; ?>, Set<object>\u4e4b\u95f4\u5b58\u5728\u7740\u5de8\u5927\u7684\u5dee\u5f02\u3002 \u4e86\u89e3\u66f4\u591a\uff0c\u8bf7\u67e5\u770b\u539f\u59cb\u7c7b\u578b vs. \u65e0\u754c\u901a\u914d\u7b26\u7c7b\u578b \u548c \u7c7b\u578b\u64e6\u9664\u3002<\/p>\n<p>\u3000\u3000#6. \u8bbf\u95ee\u7ea7\u522b<\/p>\n<p>\u3000\u3000\u5f88\u591a\u65f6\u5019\uff0c\u5f00\u53d1\u8005\u4f7f\u7528public\u4fee\u9970\u5b57\u6bb5\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u5f88\u5bb9\u6613\u901a\u8fc7\u76f4\u63a5\u5f15\u7528\u6765\u83b7\u53d6\u5b57\u6bb5\u7684\u503c\uff0c\u4f46\u662f\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u7cdf\u7cd5\u7684\u8bbe\u8ba1\u3002\u7ecf\u9a8c\u6cd5\u5219\u662f\u201c\u7ed9\u6210\u5458\u7684\u8bbf\u95ee\u7ea7\u522b\u5c3d\u53ef\u80fd\u4f4e\u201d\u3002\u53ef\u4ee5\u67e5\u770bJava4\u79cd\u4e0d\u540c\u7684\u8bbf\u95ee\u7ea7\u522bpublic, default, protected, and private\u3002<\/p>\n<p>\u3000\u3000#7. ArrayList \u4e0e LinkedList<\/p>\n<p>\u3000\u3000\u5f53\u5f00\u53d1\u4eba\u5458\u4e0d\u77e5\u9053ArrayList\u548cLinkedList\u7684\u533a\u522b\u7684\u65f6\u5019\uff0c\u4ed6\u4eec\u7ecf\u5e38\u4f7f\u7528\u7684\u662fArrayList\uff0c\u53ef\u80fd\u56e0\u4e3a\u5b83\u770b\u8d77\u6765\u9762\u719f\u3002\u4f46\u662fArrayList\u548cLinkedList\u4e4b\u95f4\u6709\u5de8\u5927\u7684\u6027\u80fd\u5dee\u5f02\u3002 \u7b80\u5355\u6765\u8bf4\u5982\u679c\u6709\u5927\u91cf\u7684\u6dfb\u52a0\/\u5220\u9664\u64cd\u4f5c\uff0c\u800c\u6ca1\u6709\u5f88\u591a\u968f\u673a\u5b58\u53d6\u64cd\u4f5c\uff0cLinkedList\u7684\u5e94\u8be5\u662f\u9996\u9009\u3002\u53ef\u4ee5\u67e5\u770bArrayList\u4e0eLinkedList\u4e86\u89e3\u5b83\u4eec\u4e4b\u95f4\u66f4\u591a\u7684\u533a\u522b\u3002<\/p>\n<p>\u3000\u3000#8.\u53ef\u53d8\u6027\u4e0e\u4e0d\u53d8\u6027<\/p>\n<p>\u3000\u3000\u4e0d\u53ef\u53d8\u5bf9\u8c61\u6709\u5f88\u591a\u4f18\u70b9\uff0c\u5982\u7b80\u5355\u6027\uff0c\u5b89\u5168\u6027\u7b49\u3002\u4f46\u662f\u5b83\u9700\u8981\u4e3a\u6bcf\u4e2a\u4e0d\u540c\u7684\u503c\u521b\u9020\u4e00\u4e2a\u5355\u72ec\u7684\u5bf9\u8c61\uff0c\u5bf9\u8c61\u592a\u591a\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5783\u573e\u56de\u6536\u7684\u6210\u672c\u9ad8\u3002\u6240\u4ee5\u53ef\u53d8\u548c\u4e0d\u53ef\u53d8\u4e4b\u95f4\u8fdb\u884c\u9009\u62e9\u65f6\u5e94\u8be5\u6709\u4e00\u4e2a\u5e73\u8861\u3002<\/p>\n<p>\u3000\u3000\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u53ef\u53d8\u5bf9\u8c61\uff0c\u4ee5\u907f\u514d\u4ea7\u751f\u8fc7\u591a\u7684\u4e2d\u95f4\u5bf9\u8c61\u3002\u4e00\u4e2a\u7ecf\u5178\u7684\u4f8b\u5b50\u662f\u4e32\u8054\u4e86\u5927\u91cf\u7684\u5b57\u7b26\u4e32\u3002\u5982\u679c\u4f7f\u7528\u7684\u662f\u4e0d\u53ef\u53d8\u7684\u5b57\u7b26\u4e32String\uff0c\u4f1a\u4ea7\u751f\u5f88\u591a\u53ef\u4ee5\u5783\u573e\u56de\u6536\u7684\u5bf9\u8c61\u3002\u8fd9\u6837\u65e2\u6d6a\u8d39\u65f6\u95f4\u4e5f\u6d6a\u8d39CPU\u7684\u8fd0\u7b97\u80fd\u529b\uff0c\u4f7f\u7528\u53ef\u53d8\u5bf9\u8c61\u662f\u6b63\u786e\u7684\u89e3\u51b3\u65b9\u6848\uff08\u5982StringBuilder\uff09\u3002<\/p>\n<p>String result=&#8221;&#8221;;<br \/>\nfor(String s: arr){<br \/>\n    result = result + s;<br \/>\n}<br \/>\n\u3000\u3000\u53e6\u5916\u4e00\u4e9b\u60c5\u51b5\uff0c\u53ef\u53d8\u5bf9\u8c61\u521a\u66f4\u52a0\u5408\u9002\u53ef\u53d6\u3002\u4f8b\u5982\u6392\u5e8f(Collections.sort())\u3002\u5982\u679cCollection\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u6392\u5e8f\u65b9\u6cd5\u6bcf\u6b21\u5c06\u4f1a\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684Collection\uff0c\u8fd9\u6837\u4f1a\u6781\u5176\u6d6a\u8d39\u8d44\u6e90\u3002 \u53ef\u4ee5\u770b\u770b\u4e3a\u4ec0\u4e48\u5728Java\u4e2dString\u88ab\u8bbe\u8ba1\u6210\u4e0d\u53ef\u53d8\uff1f<\/p>\n<p>\u3000\u3000#9. \u7236\u7c7b\u548c\u5b50\u7c7b\u7684\u6784\u9020\u51fd\u6570<\/p>\n<p>\u3000\u3000\u4ee5\u4e0a\u8fd9\u6bb5\u4ee3\u7801\u51fa\u73b0\u7f16\u8bd1\u9519\u8bef\uff0c\u56e0\u4e3a\u9ed8\u8ba4\u7684\u7236\u7c7b\u6784\u9020\u51fd\u6570\u672a\u5b9a\u4e49\u3002\u5728Java\u4e2d\uff0c\u5982\u679c\u4e00\u4e2a\u7c7b\u6ca1\u6709\u5b9a\u4e49\u6784\u9020\u51fd\u6570\uff0c\u7f16\u8bd1\u5668\u4f1a\u9ed8\u8ba4\u63d2\u5165\u4e00\u4e2a\u9ed8\u8ba4\u7684\u65e0\u53c2\u6570\u6784\u9020\u51fd\u6570\u3002\u5982\u679c\u7a0b\u5e8f\u5458\u5b9a\u4e49\u6784\u9020\u51fd\u6570\uff0c\u7f16\u8bd1\u5668\u5c06\u4e0d\u63d2\u5165\u9ed8\u8ba4\u7684\u65e0\u53c2\u6570\u6784\u9020\u51fd\u6570\u3002\u4e0a\u9762\u7684\u4ee3\u7801\u7531\u4e8e\u81ea\u5b9a\u4e49\u4e86\u6709\u53c2\u6570\u7684\u6784\u9020\u51fd\u6570\uff0c\u7f16\u8bd1\u5668\u4e0d\u518d\u63d2\u5165\u65e0\u53c2\u6570\u7684\u6784\u9020\u51fd\u6570\u3002\u5b50\u7c7b\u7684\u6784\u9020\u51fd\u6570\uff0c\u65e0\u8bba\u662f\u6709\u53c2\u6570\u6216\u65e0\u53c2\u6570\uff0c\u90fd\u5c06\u8c03\u7528\u7236\u7c7b\u65e0\u53c2\u6784\u9020\u51fd\u6570\u3002\u5f53\u5b50\u7c7b\u9700\u8981\u7236\u7c7b\u7684\u65e0\u53c2\u6570\u6784\u9020\u51fd\u6570\u7684\u65f6\u5019\uff0c\u5c31\u53d1\u751f\u4e86\u9519\u8bef\u3002<\/p>\n<p>\u3000\u3000\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee51\uff09\u589e\u52a0\u4e00\u4e2a\u7236\u7c7b\u6784\u9020\u51fd\u6570<\/p>\n<p>public Super(){<br \/>\n    System.out.println(&#8220;Super&#8221;);<br \/>\n}<br \/>\n\u3000\u3000\uff0c\u62162\uff09\u5220\u9664\u81ea\u5b9a\u4e49\u7684\u7236\u7c7b\u6784\u9020\u51fd\u6570\uff0c\u62163\uff09\u6dfb\u52a0super(value)\u5230\u5b50\u7c7b\u6784\u9020\u51fd\u6570\u3002\u66f4\u591a\u8bf7\u67e5\u770b\u7236\u7c7b\u548c\u5b50\u7c7b\u7684\u6784\u9020\u51fd\u6570\u3002<\/p>\n<p>\u3000\u3000#10. &#8220;&#8221; \u4e0e Constructor?<\/p>\n<p>\u3000\u3000\u5b57\u7b26\u4e32\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u5f0f\u521b\u5efa\uff1a<\/p>\n<p>\/\/1. use double quotes<br \/>\nString x = &#8220;abc&#8221;;<br \/>\n\/\/2. use constructor<br \/>\nString y = new String(&#8220;abc&#8221;);<br \/>\n\u3000\u3000\u8fd9\u4e24\u8005\u6709\u4ec0\u4e48\u533a\u522b\u5462\uff1f \u4e0b\u9762\u7684\u4f8b\u5b50\u53ef\u4ee5\u63d0\u4f9b\u4e00\u4e2a\u5feb\u901f\u7684\u7b54\u6848\uff1a<\/p>\n<p>String a = &#8220;abcd&#8221;;<br \/>\nString b = &#8220;abcd&#8221;;<br \/>\nSystem.out.println(a == b);  \/\/ True<br \/>\nSystem.out.println(a.equals(b)); \/\/ True<\/p>\n<p>String c = new String(&#8220;abcd&#8221;);<br \/>\nString d = new String(&#8220;abcd&#8221;);<br \/>\nSystem.out.println(c == d);  \/\/ False<br \/>\nSystem.out.println(c.equals(d)); \/\/ True<br \/>\n\u3000\u3000\u5173\u4e8e\u5b83\u4eec\u662f\u5982\u4f55\u5206\u914d\u5185\u5b58\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u67e5\u770b\u521b\u5efaJava\u5b57\u7b26\u4e32\u4f7f\u7528\u201c\u201d\u6216\u6784\u9020\u51fd\u6570\uff1f<\/p>\n<p>\u3000\u3000\u5c0f\u7ed3<\/p>\n<p>\u3000\u3000\u4ee5\u4e0a\u662f\u6211\u6839\u636eGitHub\u4e0a\u7684\u5f00\u6e90\u9879\u76ee\uff0cStack Overflow\u4e0a\u7684\u95ee\u9898\uff0c\u548c\u8c37\u6b4c\u70ed\u95e8\u641c\u7d22\u8bcd\u6240\u505a\u7684\u603b\u7ed3\u3002\u867d\u7136\u5b83\u4eec\u4e0d\u662f\u51c6\u786e\u7684top 10\uff0c\u4f46\u5f88\u5e38\u89c1\u7684\u3002\u5982\u679c\u4f60\u6709\u4e0d\u540c\u7684\u89c2\u70b9\u6216\u8005\u6307\u51fa\u66f4\u5e38\u89c1\u7684\u9519\u8bef\uff0c\u8bf7\u7559\u8a00\u3002\u6211\u4e5f\u4f1a\u66f4\u65b0\u8fd9\u4e2a\u5217\u8868\u3002\u975e\u5e38\u611f\u8c22\u3002<\/p>\n<p>\u3000\u3000\u82f1\u6587\u539f\u6587\uff1a Top 10 Mistakes Java Developers Make<\/object><\/string><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f6c\u81ea\uff1ahttp:\/\/www.admin10000.com\/document\/4576.html \u672c\u6587\u603b\u7ed3\u4e86Ja [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-48","post","type-post","status-publish","format-aside","hentry","category-life","post_format-post-format-aside"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.espandy.com\/index.php?rest_route=\/wp\/v2\/posts\/48","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.espandy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.espandy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.espandy.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.espandy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=48"}],"version-history":[{"count":3,"href":"https:\/\/www.espandy.com\/index.php?rest_route=\/wp\/v2\/posts\/48\/revisions"}],"predecessor-version":[{"id":51,"href":"https:\/\/www.espandy.com\/index.php?rest_route=\/wp\/v2\/posts\/48\/revisions\/51"}],"wp:attachment":[{"href":"https:\/\/www.espandy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=48"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.espandy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=48"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.espandy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}