“`”<\/p>\n
<h3>Collection<\/h3><\/p>\n
<h4>1. List<\/h4><\/p>\n
<ul><li><strong>Arraylist\uff1a<\/strong> Object\u6570\u7ec4<\/li><li><strong>Vector\uff1a<\/strong> Object\u6570\u7ec4<\/li><li><strong>LinkedList\uff1a<\/strong> \u53cc\u5411\u94fe\u8868(JDK1.6\u4e4b\u524d\u4e3a\u5faa\u73af\u94fe\u8868\uff0cJDK1.7\u53d6\u6d88\u4e86\u5faa\u73af)<\/li><\/ul><\/p>\n
<h4>2. Set<\/h4><\/p>\n
<ul><li><strong>HashSet\uff08\u65e0\u5e8f\uff0c\u552f\u4e00\uff09:<\/strong> \u57fa\u4e8e HashMap \u5b9e\u73b0\u7684\uff0c\u5e95\u5c42\u91c7\u7528 HashMap \u6765\u4fdd\u5b58\u5143\u7d20<\/li><li><strong>LinkedHashSet\uff1a<\/strong> LinkedHashSet \u7ee7\u627f\u4e8e HashSet\uff0c\u5e76\u4e14\u5176\u5185\u90e8\u662f\u901a\u8fc7 LinkedHashMap \u6765\u5b9e\u73b0\u7684\u3002\u6709\u70b9\u7c7b\u4f3c\u4e8e\u6211\u4eec\u4e4b\u524d\u8bf4\u7684LinkedHashMap \u5176\u5185\u90e8\u662f\u57fa\u4e8e HashMap \u5b9e\u73b0\u4e00\u6837\uff0c\u4e0d\u8fc7\u8fd8\u662f\u6709\u4e00\u70b9\u70b9\u533a\u522b\u7684<\/li><li><strong>TreeSet\uff08\u6709\u5e8f\uff0c\u552f\u4e00\uff09\uff1a<\/strong> \u7ea2\u9ed1\u6811(\u81ea\u5e73\u8861\u7684\u6392\u5e8f\u4e8c\u53c9\u6811)<\/li><\/ul><\/p>\n
<h3>Map<\/h3><\/p>\n
<ul><li><strong>HashMap\uff1a<\/strong> JDK1.8\u4e4b\u524dHashMap\u7531\u6570\u7ec4+\u94fe\u8868\u7ec4\u6210\u7684\uff0c\u6570\u7ec4\u662fHashMap\u7684\u4e3b\u4f53\uff0c\u94fe\u8868\u5219\u662f\u4e3b\u8981\u4e3a\u4e86\u89e3\u51b3\u54c8\u5e0c\u51b2\u7a81\u800c\u5b58\u5728\u7684\uff08\u201c\u62c9\u94fe\u6cd5\u201d\u89e3\u51b3\u51b2\u7a81\uff09\u3002JDK1.8\u4ee5\u540e\u5728\u89e3\u51b3\u54c8\u5e0c\u51b2\u7a81\u65f6\u6709\u4e86\u8f83\u5927\u7684\u53d8\u5316\uff0c\u5f53\u94fe\u8868\u957f\u5ea6\u5927\u4e8e\u9608\u503c\uff08\u9ed8\u8ba4\u4e3a8\uff09\u65f6\uff0c\u5c06\u94fe\u8868\u8f6c\u5316\u4e3a\u7ea2\u9ed1\u6811\uff0c\u4ee5\u51cf\u5c11\u641c\u7d22\u65f6\u95f4<\/li><li><strong>LinkedHashMap\uff1a<\/strong> LinkedHashMap \u7ee7\u627f\u81ea HashMap\uff0c\u6240\u4ee5\u5b83\u7684\u5e95\u5c42\u4ecd\u7136\u662f\u57fa\u4e8e\u62c9\u94fe\u5f0f\u6563\u5217\u7ed3\u6784\u5373\u7531\u6570\u7ec4\u548c\u94fe\u8868\u6216\u7ea2\u9ed1\u6811\u7ec4\u6210\u3002\u53e6\u5916\uff0cLinkedHashMap \u5728\u4e0a\u9762\u7ed3\u6784\u7684\u57fa\u7840\u4e0a\uff0c\u589e\u52a0\u4e86\u4e00\u6761\u53cc\u5411\u94fe\u8868\uff0c\u4f7f\u5f97\u4e0a\u9762\u7684\u7ed3\u6784\u53ef\u4ee5\u4fdd\u6301\u952e\u503c\u5bf9\u7684\u63d2\u5165\u987a\u5e8f\u3002\u540c\u65f6\u901a\u8fc7\u5bf9\u94fe\u8868\u8fdb\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\uff0c\u5b9e\u73b0\u4e86\u8bbf\u95ee\u987a\u5e8f\u76f8\u5173\u903b\u8f91\u3002\u8be6\u7ec6\u53ef\u4ee5\u67e5\u770b\uff1a<a href=""https:\/\/www.imooc.com\/article\/22931"">\u300aLinkedHashMap \u6e90\u7801\u8be6\u7ec6\u5206\u6790\uff08JDK1.8\uff09\u300b<\/a><\/li><li><strong>Hashtable\uff1a<\/strong> \u6570\u7ec4+\u94fe\u8868\u7ec4\u6210\u7684\uff0c\u6570\u7ec4\u662f HashMap \u7684\u4e3b\u4f53\uff0c\u94fe\u8868\u5219\u662f\u4e3b\u8981\u4e3a\u4e86\u89e3\u51b3\u54c8\u5e0c\u51b2\u7a81\u800c\u5b58\u5728\u7684<\/li><li><strong>TreeMap\uff1a<\/strong> \u7ea2\u9ed1\u6811\uff08\u81ea\u5e73\u8861\u7684\u6392\u5e8f\u4e8c\u53c9\u6811\uff09<\/li><\/ul><\/p>\n
<h2>\u5982\u4f55\u9009\u7528\u96c6\u5408?<\/h2><\/p>\n
\u4e3b\u8981\u6839\u636e\u96c6\u5408\u7684\u7279\u70b9\u6765\u9009\u7528\uff0c\u6bd4\u5982\u6211\u4eec\u9700\u8981\u6839\u636e\u952e\u503c\u83b7\u53d6\u5230\u5143\u7d20\u503c\u65f6\u5c31\u9009\u7528Map\u63a5\u53e3\u4e0b\u7684\u96c6\u5408\uff0c\u9700\u8981\u6392\u5e8f\u65f6\u9009\u62e9TreeMap,\u4e0d\u9700\u8981\u6392\u5e8f\u65f6\u5c31\u9009\u62e9HashMap,\u9700\u8981\u4fdd\u8bc1\u7ebf\u7a0b\u5b89\u5168\u5c31\u9009\u7528ConcurrentHashMap.\u5f53\u6211\u4eec\u53ea\u9700\u8981\u5b58\u653e\u5143\u7d20\u503c\u65f6\uff0c\u5c31\u9009\u62e9\u5b9e\u73b0Collection\u63a5\u53e3\u7684\u96c6\u5408\uff0c\u9700\u8981\u4fdd\u8bc1\u5143\u7d20\u552f\u4e00\u65f6\u9009\u62e9\u5b9e\u73b0Set\u63a5\u53e3\u7684\u96c6\u5408\u6bd4\u5982TreeSet\u6216HashSet\uff0c\u4e0d\u9700\u8981\u5c31\u9009\u62e9\u5b9e\u73b0List\u63a5\u53e3\u7684\u6bd4\u5982ArrayList\u6216LinkedList\uff0c\u7136\u540e\u518d\u6839\u636e\u5b9e\u73b0\u8fd9\u4e9b\u63a5\u53e3\u7684\u96c6\u5408\u7684\u7279\u70b9\u6765\u9009\u7528\u3002<\/p>\n
<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
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