{"id":203848,"date":"2025-05-22T15:18:21","date_gmt":"2025-05-22T07:18:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203848\/"},"modified":"2025-05-22T15:18:21","modified_gmt":"2025-05-22T07:18:21","slug":"java-%e5%88%97%e8%a1%a8%e7%bb%88%e6%9e%81%e6%8c%87%e5%8d%97%ef%bc%9a%e6%82%a8%e9%9c%80%e8%a6%81%e4%ba%86%e8%a7%a3%e7%9a%84%e4%b8%80%e5%88%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203848\/","title":{"rendered":"Java \u5217\u8868\u7ec8\u6781\u6307\u5357\uff1a\u60a8\u9700\u8981\u4e86\u89e3\u7684\u4e00\u5207"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u5217\u8868\u7ec8\u6781\u6307\u5357\uff1a\u60a8\u9700\u8981\u4e86\u89e3\u7684\u4e00\u5207<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span>    <\/p>\n<p>\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava \u5217\u8868\u7ec8\u6781\u6307\u5357\uff1a\u60a8\u9700\u8981\u4e86\u89e3\u7684\u4e00\u5207\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241128\/17327639536747e13141d83.jpg\" class=\"aligncenter\"><\/p>\n<ol>\n<li> <strong>\u5230\u5e95\u4ec0\u4e48\u662f\u5217\u8868\uff1f<\/strong> \u200b\u200b\u5c06\u5217\u8868\u89c6\u4e3a\u7ec4\u7ec7\u826f\u597d\u7684\u795e\u79d8\u5377\u8f74\uff0cjava \u5f00\u53d1\u4eba\u5458\u7528\u5b83\u6765\u7ef4\u6301\u6df7\u4e71\u4e16\u754c\u7684\u79e9\u5e8f\u3002\u5b83\u662f\u4e00\u79cd\u6309\u5e8f\u5217\u4fdd\u5b58\u5143\u7d20\u7684\u96c6\u5408\u7c7b\u578b\uff0c\u5141\u8bb8\u91cd\u590d\u5e76\u4fdd\u6301\u63d2\u5165\u987a\u5e8f\u3002\u4f46\u4e0d\u8981\u8ba9\u5b83\u7684\u7b80\u5355\u6027\u6b3a\u9a97\u4e86\u60a8\u2014\u2014list \u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u5177\u6709\u591a\u79cd\u98ce\u683c\uff0c\u6bcf\u79cd\u98ce\u683c\u9002\u5408\u4e0d\u540c\u7684\u573a\u666f\u3002<\/li>\n<\/ol>\n<hr>\n<ol>\n<li> <strong>\u4e3a\u4ec0\u4e48\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u5217\u8868\uff1f<\/strong>\u60f3\u8c61\u4e00\u4e0b\u60a8\u6b63\u5728\u7ba1\u7406\u4e00\u7cfb\u5217\u5f85\u529e\u4e8b\u9879\u3002\u5f53\u7136\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\uff0c\u4f46\u662f\u5f53\u60a8\u9700\u8981\u5728\u4e2d\u95f4\u63d2\u5165\u4efb\u52a1\u65f6\u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f\u6570\u7ec4\u4e0d\u4f1a\u793c\u8c8c\u5730\u79fb\u52a8\uff1b\u4ed6\u4eec\u5c31\u50cf\u97f3\u4e50\u4f1a\u4e0a\u987d\u56fa\u7684\u670b\u53cb\u3002\u8fd9\u5c31\u662f\u5217\u8868\u7684\u7528\u6b66\u4e4b\u5730\uff1a<\/li>\n<li> <strong>\u52a8\u6001\u5927\u5c0f<\/strong>\uff1a\u4e0e\u6570\u7ec4\u4e0d\u540c\uff0clist \u53ef\u4ee5\u6839\u636e\u9700\u8981\u6269\u5c55\u6216\u7f29\u5c0f\u3002<\/li>\n<\/ol>\n<ul>\n<li>\n<p><strong>\u6709\u5e8f<\/strong>\uff1a\u5143\u7d20\u4fdd\u7559\u5176\u63d2\u5165\u987a\u5e8f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7075\u6d3b<\/strong>\uff1a\u5141\u8bb8\u91cd\u590d\uff0c\u8fd9\u6837\u4f60\u5c31\u53ef\u4ee5\u50cf\u8001\u677f\u7684\u63d0\u9192\u4e00\u6837\u91cd\u590d\u3002<\/p>\n<\/li>\n<\/ul>\n<hr>\n<ol>\n<li> <strong>java \u4e2d\u5217\u8868\u7684\u7c7b\u578b<\/strong>java \u4e0d\u4ec5\u4ec5\u505c\u7559\u5728\u4e00\u79cd\u5217\u8868\u3002\u5b83\u63d0\u4f9b\u5168\u5957\u81ea\u52a9\u9910\uff1a <strong>\u6570\u7ec4\u5217\u8868<\/strong> <\/li>\n<li> <strong>\u652f\u6301<\/strong>\uff1a\u52a8\u6001\u6570\u7ec4\u3002<\/li>\n<\/ol>\n<ul>\n<li>\n<p><strong>\u6700\u9002\u5408<\/strong>\uff1a\u5feb\u901f\u968f\u673a\u8bbf\u95ee\u548c\u8fed\u4ee3\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7f3a\u70b9<\/strong>\uff1a\u63d2\u5165\u548c\u5220\u9664\u901f\u5ea6\u6162\uff08\u56e0\u4e3a\u5143\u7d20\u9700\u8981\u79fb\u52a8\uff09\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7528\u4f8b<\/strong>\uff1a\u5f53\u60a8\u9700\u8981\u9891\u7e41\u8bbf\u95ee\u5143\u7d20\u65f6\uff0c\u4f8b\u5982\u5728\u5a92\u4f53\u64ad\u653e\u5668\u4e2d\u83b7\u53d6\u89c6\u9891\u5e27\u3002<\/p>\n<\/li>\n<\/ul>\n<pre>list&lt;string&gt; arraylist = new arraylist&lt;&gt;();\narraylist.add(\"first\");\narraylist.add(\"second\");\n<\/pre>\n<p><strong>\u5185\u5b58\u5e03\u5c40<\/strong>\uff1aarraylist \u7ef4\u62a4\u4e00\u4e2a\u8fde\u7eed\u7684\u5185\u5b58\u5757\uff0c\u5f53\u8d85\u51fa\u5176\u5bb9\u91cf\u65f6\uff0c\u4f1a\u8c03\u6574\u5927\u5c0f 50% \u6216\u66f4\u591a\u3002 <strong>\u94fe\u63a5\u5217\u8868<\/strong> <\/p>\n<ul>\n<li>\n<p><strong>\u652f\u6301<\/strong>\uff1a\u53cc\u5411\u94fe\u8868\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6700\u9002\u5408<\/strong>\uff1a\u9891\u7e41\u63d2\u5165\u548c\u5220\u9664\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7f3a\u70b9<\/strong>\uff1a\u7531\u4e8e\u6307\u9488\u904d\u5386\uff0c\u8bbf\u95ee\u65f6\u95f4\u8f83\u6162\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7528\u4f8b<\/strong>\uff1a\u5b9e\u73b0\u7ecf\u5e38\u6dfb\u52a0\u6216\u5220\u9664\u6b4c\u66f2\u7684\u64ad\u653e\u5217\u8868\u3002<\/p>\n<\/li>\n<\/ul>\n<pre>list&lt;string&gt; linkedlist = new linkedlist&lt;&gt;();\nlinkedlist.add(\"node1\");\nlinkedlist.add(\"node2\");\n<\/pre>\n<p><strong>\u5185\u5b58\u5e03\u5c40<\/strong>\uff1alinkedlist \u4f7f\u7528\u975e\u8fde\u7eed\u5185\u5b58\uff0c\u6bcf\u4e2a\u8282\u70b9\u90fd\u6307\u5411\u5176\u4e0a\u4e00\u4e2a\u548c\u4e0b\u4e00\u4e2a\u8282\u70b9\u3002 <strong>copyonwritearraylist<\/strong> <\/p>\n<ul>\n<li>\n<p><strong>\u7279\u6b8a\u7528\u9014<\/strong>\uff1aarraylist \u7684\u7ebf\u7a0b\u5b89\u5168\u53d8\u4f53\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5de5\u4f5c\u539f\u7406<\/strong>\uff1a\u5728\u6bcf\u6b21\u4fee\u6539\u65f6\u521b\u5efa\u5e95\u5c42\u6570\u7ec4\u7684\u65b0\u526f\u672c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6700\u9002\u5408<\/strong>\uff1a\u8bfb\u53d6\u6b21\u6570\u8fdc\u591a\u4e8e\u5199\u5165\u7684\u573a\u666f\uff0c\u4f8b\u5982\u7f13\u5b58\u7ecf\u5e38\u8bbf\u95ee\u7684\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7f3a\u70b9<\/strong>\uff1a\u5360\u7528\u5185\u5b58\u4e14\u66f4\u65b0\u901f\u5ea6\u6162\u3002<br \/> d. <strong>\u77e2\u91cf<\/strong> <\/p>\n<\/li>\n<li>\n<p><strong>\u65e7\u7248<\/strong>\uff1a\u5728 java 1.0 \u4e2d\u5f15\u5165\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7ebf\u7a0b\u5b89\u5168<\/strong>\uff1a\u540c\u6b65\u5f00\u9500\u4f7f\u5176\u6bd4\u73b0\u4ee3\u66ff\u4ee3\u65b9\u6848\u6162\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6709\u8da3\u7684\u4e8b\u5b9e<\/strong>\uff1a\u5c31\u50cf list \u7684\u201c\u7238\u7238\u7b11\u8bdd\u201d\u4e00\u6837\uff0c\u4e0d\u662f\u5f88\u6709\u8da3\uff0c\u4f46\u4ecd\u7136\u5b58\u5728\u3002<\/p>\n<\/li>\n<\/ul>\n<hr>\n<ol>\n<li> <strong>\u5728 java \u4e2d\u521b\u5efa\u5217\u8868<\/strong> java \u63d0\u4f9b\u4e86\u591a\u79cd\u521b\u5efa\u5217\u8868\u7684\u65b9\u6cd5\uff0c\u6bcf\u79cd\u65b9\u6cd5\u90fd\u9488\u5bf9\u7279\u5b9a\u9700\u6c42\u8fdb\u884c\u4e86\u5b9a\u5236\uff1a<\/li>\n<li> <strong>\u76f4\u63a5\u5b9e\u4f8b\u5316<\/strong>\uff1a <\/li>\n<\/ol>\n<pre>list&lt;string&gt; list = new arraylist&lt;&gt;();\n<\/pre>\n<ul>\n<li> <strong>\u4f7f\u7528 arrays.aslist()<\/strong> \uff1a <\/li>\n<\/ul>\n<pre>list&lt;string&gt; list = arrays.aslist(\"a\", \"b\", \"c\");\n<\/pre>\n<p><em>\u6ce8\u610f<\/em>\uff1a\u8fd9\u5c06\u8fd4\u56de\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684\u5217\u8868\uff0c\u56e0\u6b64\u60a8\u65e0\u6cd5\u6dfb\u52a0\u6216\u5220\u9664\u5143\u7d20\u3002 <\/p>\n<ul>\n<li> <strong>\u4e0d\u53ef\u53d8\u5217\u8868<\/strong>\uff08java 9+\uff09\uff1a <\/li>\n<\/ul>\n<pre>list&lt;string&gt; immutablelist = list.of(\"x\", \"y\", \"z\");\n<\/pre>\n<p>\u4e0d\u53ef\u53d8\u610f\u5473\u7740\u6ca1\u6709 add()\u3001remove() \u6216clear()\u2014\u2014\u5c31\u50cf\u90a3\u4e2a\u4e0d\u8ba9\u4efb\u4f55\u4eba\u78b0\u4ed6\u4eec\u7684\u8349\u576a\u7684\u90bb\u5c45\u4e00\u6837\u3002<\/p>\n<hr>\n<ol>\n<li> <strong>\u5217\u8868\u63a5\u53e3\u5e38\u7528\u65b9\u6cd5<\/strong> \u4ee5\u4e0b\u662f\u6d41\u884c\u65b9\u6cd5\u53ca\u5176\u5b9e\u9645\u7528\u4f8b\u7684\u7ec6\u5206\uff1a \u4e00\u4e2a\u3002\u6dfb\u52a0(e e) \u5c06\u4e00\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u672b\u5c3e\u3002 <\/li>\n<\/ol>\n<pre>list.add(\"element\");\n<\/pre>\n<p>b. add(int \u7d22\u5f15, e \u5143\u7d20)<br \/> \u5728\u6307\u5b9a\u7d22\u5f15\u5904\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\uff0c\u79fb\u52a8\u540e\u7eed\u5143\u7d20\u3002<\/p>\n<pre>list.add(1, \"middle\");\n<\/pre>\n<p>c.\u5220\u9664\uff08int\u7d22\u5f15\uff09<br \/> \u5220\u9664\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u3002<\/p>\n<pre>list.remove(0);\n<\/pre>\n<p>d.\u83b7\u53d6\uff08int\u7d22\u5f15\uff09<br \/> \u68c0\u7d22\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u3002<\/p>\n<pre>string element = list.get(2);\n<\/pre>\n<p>e. set(int \u7d22\u5f15, e \u5143\u7d20)<br \/> \u7528\u65b0\u5143\u7d20\u66ff\u6362\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\u3002<\/p>\n<pre>list.set(1, \"updatedelement\");\n<\/pre>\n<hr>\n<ol>\n<li> <strong>\u5217\u8868\u5185\u90e8\u5982\u4f55\u5de5\u4f5c<\/strong> <strong>arraylist \u5185\u90e8\u7ed3\u6784<\/strong> arraylist \u5c31\u50cf\u4e00\u4e2a\u795e\u5947\u7684\u5bb9\u5668\uff0c\u5f53\u7a7a\u95f4\u4e0d\u8db3\u65f6\uff0c\u5b83\u7684\u5927\u5c0f\u4f1a\u52a0\u500d\u3002\u6b64\u5927\u5c0f\u8c03\u6574\u53d1\u751f\u5728 o(n) \u65f6\u95f4\u5185\uff0c\u4f46\u540e\u7eed\u6dfb\u52a0\u7684\u65f6\u95f4\u4e3a o(1)\u3002\u5728\u5e95\u5c42\uff0c\u4f7f\u7528\u4e86\u4e00\u4e2a object[] \u6570\u7ec4\u3002<strong>\u56fe\u8868<\/strong>\uff1a <\/li>\n<\/ol>\n<pre>[element1] [element2] [element3] [null] ... [null]\n<\/pre>\n<p>\u8c03\u6574\u5927\u5c0f\u65f6\uff1a<\/p>\n<pre>[element1] [element2] [element3] [newelement] [null] ... [null]\n<\/pre>\n<p>b. <strong>linkedlist \u5185\u90e8\u7ed3\u6784<\/strong> linkedlist \u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff08\u8282\u70b9\uff09\u5305\u542b\uff1a <\/p>\n<ul>\n<li>\n<p><strong>\u6570\u636e<\/strong><\/p>\n<\/li>\n<li>\n<p><strong>\u6307\u5411\u4e0b\u4e00\u4e2a\u8282\u70b9\u7684\u6307\u9488<\/strong><\/p>\n<\/li>\n<li>\n<p><strong>\u6307\u5411\u524d\u4e00\u4e2a\u8282\u70b9\u7684\u6307\u9488<\/strong>\uff08\u53cc\u5411\u94fe\u8868\uff09<\/p>\n<\/li>\n<\/ul>\n<p>\u904d\u5386\u901f\u5ea6\u8f83\u6162\uff0c\u56e0\u4e3a\u8bbf\u95ee\u7d22\u5f15\u9700\u8981\u8fed\u4ee3\u8282\u70b9\u3002<br \/><strong>\u56fe\u8868<\/strong> :<\/p>\n<pre>head -&gt; [node1] &lt;-&gt; [node2] &lt;-&gt; [node3] -&gt; tail\n<\/pre>\n<hr>\n<ol>\n<li> <strong>\u5217\u8868\u7b97\u6cd5<\/strong> <strong>\u6392\u5e8f\u7b97\u6cd5<\/strong> : <\/li>\n<li> <strong>collections.sort()<\/strong> \uff1a\u4f7f\u7528 timsort\uff0c\u5408\u5e76\u6392\u5e8f\u548c\u63d2\u5165\u6392\u5e8f\u7684\u6df7\u5408\u4f53\u3002<\/li>\n<\/ol>\n<ul>\n<li> <strong>\u81ea\u5b9a\u4e49\u6bd4\u8f83\u5668<\/strong>\uff1a\u7528\u4e8e\u6839\u636e\u81ea\u5b9a\u4e49\u903b\u8f91\u8fdb\u884c\u6392\u5e8f\u3002 <\/li>\n<\/ul>\n<pre>collections.sort(list, (a, b) -&gt; b.compareto(a)); \/\/ descending\n<\/pre>\n<p><strong>\u641c\u7d22\u7b97\u6cd5<\/strong> : <\/p>\n<ul>\n<li>\n<p><strong>\u7ebf\u6027\u641c\u7d22<\/strong>\uff1ao(n) \u2013 \u626b\u63cf\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e8c\u5206\u67e5\u627e<\/strong>\uff1ao(log n) \u2013 \u9700\u8981\u4e00\u4e2a\u6392\u5e8f\u5217\u8868\u3002<\/p>\n<\/li>\n<\/ul>\n<pre>int index = collections.binarysearch(list, \"element\");\n<\/pre>\n<hr>\n<ol>\n<li> <strong>\u5185\u5b58\u5206\u914d\u548c\u6548\u7387<\/strong> arraylist \u5143\u7d20\u5b58\u50a8\u5728\u8fde\u7eed\u7684\u5757\u4e2d\uff0c\u786e\u4fdd\u66f4\u5feb\u7684\u8fed\u4ee3\uff0c\u4f46\u8c03\u6574\u5927\u5c0f\u65f6\u4f1a\u4ea7\u751f\u5185\u5b58\u5f00\u9500\u3002\u53e6\u4e00\u65b9\u9762\uff0clinkedlist \u4f7f\u7528\u6307\u9488\u5c06\u6bcf\u4e2a\u5143\u7d20\u5b58\u50a8\u5728\u5355\u72ec\u7684\u8282\u70b9\u4e2d\uff0c\u4ece\u800c\u5bfc\u81f4\u66f4\u597d\u7684\u63d2\u5165\u6027\u80fd\uff0c\u4f46\u7531\u4e8e\u6307\u9488\u800c\u5bfc\u81f4\u66f4\u9ad8\u7684\u5185\u5b58\u4f7f\u7528\u3002<\/li>\n<\/ol>\n<hr>\n<ol>\n<li> <strong>\u5904\u7406\u5217\u8868\u7684\u63d0\u793a\u548c\u6280\u5de7<\/strong> <\/li>\n<li> <strong>\u907f\u514d concurrentmodificationexception<\/strong> \uff1a\u5728\u8fed\u4ee3\u671f\u95f4\u4fee\u6539\u5217\u8868\u65f6\u4f7f\u7528 iterator \u6216 listiterator\u3002<\/li>\n<\/ol>\n<ul>\n<li> <strong>\u4f7f\u7528\u6d41\u8fdb\u884c\u51fd\u6570\u5f0f\u7f16\u7a0b<\/strong>\uff1a <\/li>\n<\/ul>\n<pre>list.stream().filter(s -&gt; s.startswith(\"a\")).foreach(system.out::println);\n<\/pre>\n<ul>\n<li> <strong>\u6279\u91cf\u64cd\u4f5c<\/strong> \uff1a\u5bf9\u4e8e\u5927\u89c4\u6a21\u4fee\u6539\uff0c\u9996\u9009 addall()\u3001removeall() \u6216 keepall() \u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n<hr>\n<ol>\n<li> <strong>\u8bc6\u522b\u6700\u9002\u5408\u5217\u8868\u7684\u95ee\u9898<\/strong>\u4ec0\u4e48\u65f6\u5019\u4f60\u5e94\u8be5\u4f7f\u7528\u5217\u8868\u800c\u4e0d\u662f\u96c6\u5408\u6216\u961f\u5217\uff1f <\/li>\n<li> <strong>\u7ef4\u6301\u63d2\u5165\u987a\u5e8f<\/strong>\uff1a\u59cb\u7ec8\u3002<\/li>\n<\/ol>\n<ul>\n<li>\n<p><strong>\u5141\u8bb8\u91cd\u590d<\/strong>\uff1a\u7edd\u5bf9\u53ef\u4ee5\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9891\u7e41\u8bbf\u95ee\u64cd\u4f5c<\/strong>\uff1a\u8f6c\u5230arraylist\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9891\u7e41\u4fee\u6539<\/strong>\uff1a\u8f6c\u5230linkedlist\u3002<\/p>\n<\/li>\n<\/ul>\n<hr>\n<ol>\n<li> <strong>\u5148\u8fdb\u6280\u672f<\/strong> <\/li>\n<li> <strong>\u53cd\u8f6c\u5217\u8868<\/strong>\uff1a <\/li>\n<\/ol>\n<pre>collections.reverse(list);\n<\/pre>\n<ul>\n<li> <strong>\u968f\u673a\u64ad\u653e\u5143\u7d20<\/strong>\uff1a <\/li>\n<\/ul>\n<pre>collections.shuffle(list);\n<\/pre>\n<ul>\n<li> <strong>\u540c\u6b65\u5217\u8868<\/strong>\uff1a <\/li>\n<\/ul>\n<pre>list&lt;string&gt; synclist = collections.synchronizedlist(new arraylist&lt;&gt;());\n<\/pre>\n<ul>\n<li> <strong>\u5e76\u884c\u6d41\u63d0\u9ad8\u6027\u80fd<\/strong>\uff1a <\/li>\n<\/ul>\n<pre>list.parallelStream().forEach(System.out::println);\n<\/pre>\n<hr>\n<ol>\n<li> <strong>\u5e38\u89c1\u9519\u8bef\u548c\u6700\u4f73\u5b9e\u8df5<\/strong> <\/li>\n<li> <strong>\u8c28\u9632 nullpointerexception<\/strong> \uff1a\u5728\u64cd\u4f5c\u4e4b\u524d\u59cb\u7ec8\u68c0\u67e5\u5217\u8868\u662f\u5426\u4e3a\u7a7a\u3002<\/li>\n<\/ol>\n<ul>\n<li>\n<p><strong>\u4f7f\u7528\u6cdb\u578b<\/strong> \uff1a\u59cb\u7ec8\u6307\u5b9a\u7c7b\u578b\u4ee5\u907f\u514d classcastexception\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e0d\u8981\u5728\u5faa\u73af\u4e2d\u4f7f\u7528 new arraylist&lt;&gt;()<\/strong> \uff1a\u91cd\u7528\u5b9e\u4f8b\u6216\u6b63\u786e\u7ba1\u7406\u4ee5\u907f\u514d outofmemoryerror\u3002<\/p>\n<\/li>\n<\/ul>\n<hr>\n<h3> \u7ed3\u8bba\uff1a\u6210\u4e3a\u540d\u5355\u8033\u8bed\u8005\uff01 <\/h3>\n<p>\u5f7b\u5e95\u7406\u89e3list\u53ef\u4ee5\u8ba9\u4f60\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u3001\u53ef\u8bfb\u7684java\u7a0b\u5e8f\u3002\u8fd9\u5c31\u50cf\u5728\u5b66\u4e60\u7f8e\u98df\u98df\u8c31\u4e4b\u524d\u638c\u63e1\u70f9\u996a\u7684\u57fa\u7840\u77e5\u8bc6\u4e00\u6837\uff0c\u60a8\u5c06\u907f\u514d\u70e7\u6bc1\u4ee3\u7801\uff08\u548c\u70e4\u9762\u5305\uff09\u3002\u968f\u610f\u4f7f\u7528\u793a\u4f8b\uff0c\u521b\u5efa\u81ea\u5b9a\u4e49\u573a\u666f\uff0c\u5e76\u62e5\u62b1 list \u7684\u5f3a\u5927\u529f\u80fd\u3002\u8bf7\u8bb0\u4f4f\uff0c\u7ecf\u9a8c\u4e30\u5bcc\u7684\u5f00\u53d1\u4eba\u5458\u77e5\u9053\u6bcf\u4e2a\u5143\u7d20\u90fd\u5f88\u91cd\u8981\uff0c\u65e0\u8bba\u662f\u5728\u751f\u6d3b\u4e2d\u8fd8\u662f\u5728\u5217\u8868\u4e2d\u3002<\/p>\n<hr>\n<p><em>\u73b0\u5728\u7ee7\u7eed\u524d\u8fdb\uff0c\u7528\u4f60\u65b0\u638c\u63e1\u7684\u5217\u8868\u6765\u5f81\u670d\u4f60\u7684\u7f16\u7801\u6311\u6218\uff0c\u6c38\u8fdc\u4e0d\u8981\u518d\u8ba9\u4f60\u7684\u6570\u7ec4\u652f\u914d\u4f60\uff01<\/em><\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aJava \u5217\u8868\u7ec8\u6781\u6307\u5357\uff1a\u60a8\u9700\u8981\u4e86\u89e3\u7684\u4e00\u5207\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n<p>      \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u5217\u8868\u7ec8\u6781\u6307\u5357\uff1a\u60a8\u9700\u8981\u4e86&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203848","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203848","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203848"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203848\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203848"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203848"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}