{"id":498,"date":"2023-07-22T17:29:42","date_gmt":"2023-06-30T19:33:15","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java-listiterator-java%e4%b8%ad%e7%9a%84%e5%88%97%e8%a1%a8%e8%bf%ad%e4%bb%a3%e5%99%a8\/"},"modified":"2025-08-02T14:19:52","modified_gmt":"2025-08-02T06:19:52","slug":"java-listiterator-java%e4%b8%ad%e7%9a%84%e5%88%97%e8%a1%a8%e8%bf%ad%e4%bb%a3%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java-listiterator-java%e4%b8%ad%e7%9a%84%e5%88%97%e8%a1%a8%e8%bf%ad%e4%bb%a3%e5%99%a8\/","title":{"rendered":"Java ListIterator\u4f7f\u7528\u6307\u5357\uff1a\u5217\u8868\u8fed\u4ee3\u5668\u7684\u65b9\u6cd5\u4e0e\u5e94\u7528\u5b9e\u4f8b"},"content":{"rendered":"<p>\u6211\u4eec\u77e5\u9053Java\u6709\u56db\u4e2a\u6e38\u6807\uff1aEnumeration\uff0cIterator\uff0cListIterator\u548cSpliterator\u3002\u6211\u4eec\u5df2\u7ecf\u5728\u4e4b\u524d\u7684\u5e16\u5b50\u4e2d\u8ba8\u8bba\u4e86Enumeration\u548cIterator\u6e38\u6807\u3002\u5728\u9605\u8bfb\u672c\u5e16\u5b50\u4e4b\u524d\uff0c\u8bf7\u5148\u9605\u8bfb\u6211\u7684\u4e0a\u4e00\u7bc7\u5e16\u5b50\uff1aJava Iterator\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u7b2c\u4e09\u4e2aJava\u6e38\u6807\uff1aListIterator\u3002<\/p>\n<h3>Java\u7684ListIterator<\/h3>\n<p>\u548cIterator\u4e00\u6837\uff0cListIterator\u662fJava\u4e2d\u7684\u4e00\u4e2a\u8fed\u4ee3\u5668\uff0c\u7528\u4e8e\u9010\u4e2a\u8bbf\u95ee\u5b9e\u73b0\u4e86List\u63a5\u53e3\u7684\u5bf9\u8c61\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n<ul class=\"post-ul\">\n<li>\u81eaJava 1.2\u7248\u672c\u8d77\u53ef\u7528\u3002<\/li>\n<li>\u5b83\u6269\u5c55\u4e86Iterator\u63a5\u53e3\u3002<\/li>\n<li>\u5b83\u4ec5\u5bf9\u5b9e\u73b0\u4e86List\u7684\u7c7b\u6709\u7528\u3002<\/li>\n<li>\u4e0eIterator\u4e0d\u540c\uff0c\u5b83\u652f\u6301\u6240\u6709\u56db\u79cd\u64cd\u4f5c\uff1aCRUD\uff08\u521b\u5efa\u3001\u8bfb\u53d6\u3001\u66f4\u65b0\u548c\u5220\u9664\uff09\u3002<\/li>\n<li>\u4e0eIterator\u4e0d\u540c\uff0c\u5b83\u652f\u6301\u6b63\u5411\u548c\u53cd\u5411\u8fed\u4ee3\u3002<\/li>\n<li>\u5b83\u662f\u4e00\u4e2a\u53cc\u5411\u8fed\u4ee3\u5668\u3002<\/li>\n<li>\u5b83\u6ca1\u6709\u5f53\u524d\u5143\u7d20\uff1b\u5b83\u7684\u5149\u6807\u4f4d\u7f6e\u59cb\u7ec8\u4f4d\u4e8e\u901a\u8fc7\u8c03\u7528previous()\u5c06\u8fd4\u56de\u7684\u5143\u7d20\u548c\u901a\u8fc7\u8c03\u7528next()\u5c06\u8fd4\u56de\u7684\u5143\u7d20\u4e4b\u95f4\u3002<\/li>\n<\/ul>\n<p>\u8bf7\u89e3\u91ca\u96c6\u5408API\u4e2d\u7684CRUD\u64cd\u4f5c\u662f\u4ec0\u4e48\uff1f<\/p>\n<ul class=\"post-ul\">\n<li>CREATE\uff1a\u5411\u96c6\u5408\u5bf9\u8c61\u6dfb\u52a0\u65b0\u5143\u7d20\u3002<\/li>\n<li>READ\uff1a\u4ece\u96c6\u5408\u5bf9\u8c61\u4e2d\u68c0\u7d22\u5143\u7d20\u3002<\/li>\n<li>UPDATE\uff1a\u66f4\u65b0\u6216\u8bbe\u7f6e\u96c6\u5408\u5bf9\u8c61\u4e2d\u7684\u73b0\u6709\u5143\u7d20\u3002<\/li>\n<li>DELETE\uff1a\u4ece\u96c6\u5408\u5bf9\u8c61\u4e2d\u79fb\u9664\u5143\u7d20\u3002<\/li>\n<\/ul>\n<h3>Java ListIterator \u7c7b\u7684\u7c7b\u56fe<\/h3>\n<div><img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65647be8a4b2f92e6c72c85f\/7-0.jpg\" class='post-images' alt=\"Java ListIterator\" title=\"\"><\/div>\n<h3>Java ListIterator \u65b9\u6cd5<\/h3>\n<p>Java ListIterator \u63a5\u53e3\u5177\u6709\u4ee5\u4e0b\u65b9\u6cd5\u3002<\/p>\n<ul class=\"post-ul\">\n<li>void add(E e)\uff1a\u5c06\u6307\u5b9a\u5143\u7d20\u63d2\u5165\u5217\u8868\u3002<\/li>\n<li>boolean hasNext()\uff1a\u5982\u679c\u6b64\u5217\u8868\u8fed\u4ee3\u5668\u5728\u6b63\u5411\u904d\u5386\u5217\u8868\u65f6\u6709\u66f4\u591a\u5143\u7d20\uff0c\u5219\u8fd4\u56detrue\u3002<\/li>\n<li>boolean hasPrevious()\uff1a\u5982\u679c\u6b64\u5217\u8868\u8fed\u4ee3\u5668\u5728\u53cd\u5411\u904d\u5386\u5217\u8868\u65f6\u6709\u66f4\u591a\u5143\u7d20\uff0c\u5219\u8fd4\u56detrue\u3002<\/li>\n<li>E next()\uff1a\u8fd4\u56de\u5217\u8868\u4e2d\u7684\u4e0b\u4e00\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5149\u6807\u4f4d\u7f6e\u524d\u79fb\u3002<\/li>\n<li>int nextIndex()\uff1a\u8fd4\u56de\u540e\u7eed\u8c03\u7528next()\u5c06\u8fd4\u56de\u7684\u5143\u7d20\u7684\u7d22\u5f15\u3002<\/li>\n<li>E previous()\uff1a\u8fd4\u56de\u5217\u8868\u4e2d\u7684\u524d\u4e00\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5149\u6807\u4f4d\u7f6e\u540e\u79fb\u3002<\/li>\n<li>int previousIndex()\uff1a\u8fd4\u56de\u540e\u7eed\u8c03\u7528previous()\u5c06\u8fd4\u56de\u7684\u5143\u7d20\u7684\u7d22\u5f15\u3002<\/li>\n<li>void remove()\uff1a\u4ece\u5217\u8868\u4e2d\u79fb\u9664next()\u6216previous()\u8fd4\u56de\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n<li>void set(E e)\uff1a\u7528\u6307\u5b9a\u5143\u7d20\u66ff\u6362next()\u6216previous()\u8fd4\u56de\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p>\u5728\u63a5\u4e0b\u6765\u7684\u90e8\u5206\u4e2d\uff0c\u6211\u4eec\u5c06\u4e00\u4e00\u63a2\u8ba8\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u4e3e\u51fa\u6709\u7528\u7684\u4f8b\u5b50\u3002<\/p>\n<h3>Java ListIterator \u57fa\u672c\u793a\u4f8b<\/h3>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u4e00\u4e9b\u5e26\u6709\u793a\u4f8b\u7684ListIterator\u65b9\u6cd5\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3\u5982\u4f55\u83b7\u53d6\u6b64\u8fed\u4ee3\u5668\u5bf9\u8c61\u3002\u600e\u4e48\u83b7\u53d6ListIterator\u5462\uff1f<\/p>\n<pre class=\"post-pre\"><code>ListIterator&lt;E&gt; listIterator()\r\n<\/code><\/pre>\n<p>\u8fd9\u5c06\u8fd4\u56de\u4e00\u4e2a\u5217\u8868\u8fed\u4ee3\u5668\uff0c\u7528\u4e8e\u904d\u5386\u6b64\u5217\u8868\u4e2d\u7684\u5404\u4e2a\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<pre class=\"post-pre\"><code>import java.util.*;\r\n\r\npublic class ListIteratorDemo \r\n{\r\n  public static void main(String[] args) \r\n  {\r\n\tList&lt;String&gt; names = new LinkedList&lt;&gt;();\r\n\tnames.add(\"Rams\");\r\n\tnames.add(\"Posa\");\r\n\tnames.add(\"Chinni\");\r\n\t\t\r\n\t\/\/ \u83b7\u53d6ListIterator\r\n\tListIterator&lt;String&gt; namesIterator = names.listIterator();\r\n\t\r\n\t\/\/ \u904d\u5386\u5143\u7d20\r\n\twhile(namesIterator.hasNext()){\r\n\t   System.out.println(namesIterator.next());\t\t\r\n\t}\t\r\n\r\n\t\/\/ \u589e\u5f3afor\u5faa\u73af\u5728\u6b64\u5904\u521b\u5efa\u5185\u90e8\u8fed\u4ee3\u5668\r\n\tfor(String name: names){\r\n\t   System.out.println(name);\t\t\r\n\t}\t\r\n  }\r\n}\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>Rams\r\nPosa\r\nChinni\r\n<\/code><\/pre>\n<h3>\u53cc\u5411\u8fed\u4ee3\u793a\u4f8b\uff1aListIterator<\/h3>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u7d22ListIterator\u7684\u65b9\u6cd5\u5982\u4f55\u7528\u4e8e\u6267\u884c\u6b63\u5411\u8fed\u4ee3\u548c\u53cd\u5411\u8fed\u4ee3\u3002<\/p>\n<pre class=\"post-pre\"><code>import java.util.*;\r\n\r\npublic class BiDirectinalListIteratorDemo \r\n{\r\n\tpublic static void main(String[] args) \r\n\t{\r\n\t\tList&lt;String&gt; names = new LinkedList&lt;&gt;();\r\n\t\tnames.add(\"Rams\");\r\n\t\tnames.add(\"Posa\");\r\n\t\tnames.add(\"Chinni\");\r\n\t\t\r\n\t\t\/\/ \u83b7\u53d6ListIterator\r\n\t\tListIterator&lt;String&gt; listIterator = names.listIterator();\r\n\t\t\r\n\t\t\/\/ \u904d\u5386\u5143\u7d20\r\n\t\tSystem.out.println(\"\u6b63\u5411\u8fed\u4ee3\uff1a\");\r\n\t\twhile(listIterator.hasNext()){\r\n\t\t\tSystem.out.println(listIterator.next());\t\t\r\n\t\t}\t\r\n\t\t\r\n\t\t\/\/ \u904d\u5386\u5143\u7d20\uff0c\u6b64\u65f6\u8fed\u4ee3\u5668\u4f4d\u4e8e\u672b\u5c3e\r\n\t\tSystem.out.println(\"\u53cd\u5411\u8fed\u4ee3\uff1a\");\r\n\t\twhile(listIterator.hasPrevious()){\r\n\t\t\tSystem.out.println(listIterator.previous());\t\t\r\n\t\t}\r\n\t}\r\n}\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u6b63\u5411\u8fed\u4ee3\uff1a\r\nRams\r\nPosa\r\nChinni\r\n\u53cd\u5411\u8fed\u4ee3\uff1a\r\nChinni\r\nPosa\r\nRams\r\n<\/code><\/pre>\n<h3>Java \u8fed\u4ee3\u5668\u7684\u7c7b\u578b<\/h3>\n<p>\u6b63\u5982\u6211\u4eec\u6240\u77e5\uff0cJava\u6709\u56db\u4e2a\u6e38\u6807\uff1aEnumeration\u3001Iterator\u3001ListIterator\u548cSpliterator\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u5b83\u4eec\u5206\u4e3a\u4e24\u79cd\u4e3b\u8981\u7c7b\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>\u5355\u5411\u8fed\u4ee3\u5668<br \/>\u5b83\u4eec\u662f\u53ea\u652f\u6301\u6b63\u5411\u8fed\u4ee3\u7684\u6e38\u6807\u3002\u4f8b\u5982\uff0cEnumeration\u3001Iterator\u7b49\u662f\u5355\u5411\u8fed\u4ee3\u5668\u3002<\/li>\n<li>\u53cc\u5411\u8fed\u4ee3\u5668<br \/>\u5b83\u4eec\u662f\u652f\u6301\u6b63\u5411\u548c\u53cd\u5411\u8fed\u4ee3\u7684\u6e38\u6807\u3002\u4f8b\u5982\uff0cListIterator\u662f\u53cc\u5411\u8fed\u4ee3\u5668\u3002<\/li>\n<\/ul>\n<div><img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65647be8a4b2f92e6c72c85f\/27-0.png\" class='post-images' alt=\"java cursor types\" title=\"\"><\/div>\n<h3>Java ListIterator\u7684\u5185\u90e8\u5de5\u4f5c\u539f\u7406\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u6b63\u5982\u6211\u4eec\u6240\u77e5\uff0cJava\u7684ListIterator\u65e2\u53ef\u4ee5\u5728\u6b63\u5411\u65b9\u5411\u4e0a\u5de5\u4f5c\uff0c\u4e5f\u53ef\u4ee5\u5728\u53cd\u5411\u65b9\u5411\u4e0a\u5de5\u4f5c\u3002\u5b83\u662f\u4e00\u4e2a\u53cc\u5411\u8fed\u4ee3\u5668\u3002\u4e3a\u4e86\u652f\u6301\u8fd9\u4e2a\u529f\u80fd\uff0c\u5b83\u6709\u4e24\u7ec4\u65b9\u6cd5\u3002<\/p>\n<ul class=\"post-ul\">\n<li>Forward Direction Iteration methods<br \/>\nWe need to use the following methods to support Forward Direction Iteration:<\/li>\n<\/ul>\n<ol>hasNext() &#8211; \u662f\u5426\u6709\u4e0b\u4e00\u4e2a\u5143\u7d20<br \/>\nnext() &#8211; \u8fd4\u56de\u4e0b\u4e00\u4e2a\u5143\u7d20<br \/>\nnextIndex() &#8211; \u8fd4\u56de\u4e0b\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15<\/ol>\n<ul class=\"post-ul\">\n<li>Backward Direction Iteration methods<br \/>\nWe need to use the following methods to support Backward Direction Iteration:<\/li>\n<\/ul>\n<ol>\u6709\u524d\u4e00\u4e2a\u5417\uff1f(hasPrevious())<br \/>\n\u524d\u4e00\u4e2a (previous())<br \/>\n\u524d\u4e00\u4e2a\u7d22\u5f15 (previousIndex())<\/ol>\n<p>\u5728\u6211\u4e4b\u524d\u7684\u5e16\u5b50\u4e2d\uff0c\u6211\u4eec\u5df2\u7ecf\u8ba8\u8bba\u8fc7\u5982\u4f55\u5728\u5411\u524d\u7684\u65b9\u5411\u4e0a\u5185\u90e8\u8fd0\u4f5c\u7684\u8fed\u4ee3\u5668\uff0c\u5373\u201cJava\u8fed\u4ee3\u5668\u7684\u5185\u90e8\u5de5\u4f5c\u539f\u7406\u201d\u90e8\u5206\u3002\u5373\u4f7fListIterator\u4e5f\u662f\u4ee5\u76f8\u540c\u7684\u65b9\u5f0f\u5de5\u4f5c\u3002\u5982\u679c\u60a8\u60f3\u67e5\u770b\u6211\u4e4b\u524d\u7684\u5e16\u5b50\uff0c\u8bf7\u70b9\u51fb\u8fd9\u91cc\uff1aJava\u8fed\u4ee3\u5668\u3002\u5728\u8fd9\u4e00\u90e8\u5206\uff0c\u6211\u4eec\u5c06\u8ba8\u8bbaListIterator\u5728\u5411\u540e\u65b9\u5411\u4e0a\u7684\u5de5\u4f5c\u539f\u7406\u3002\u8ba9\u6211\u4eec\u62ff\u4ee5\u4e0b\u7684LinkedList\u5bf9\u8c61\u6765\u7406\u89e3\u8fd9\u4e2a\u529f\u80fd\u3002<\/p>\n<pre class=\"post-pre\"><code>List&lt;String&gt; names = new LinkedList&lt;&gt;();\r\nnames.add(\"E-1\");\r\nnames.add(\"E-2\");\r\nnames.add(\"E-3\");\r\n.\r\n.\r\n.\r\nnames.add(\"E-n\");\r\n<\/code><\/pre>\n<p>\u73b0\u5728\u5728LinkedList\u4e0a\u521b\u5efa\u4e00\u4e2aListIterator\u5bf9\u8c61\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre class=\"post-pre\"><code>ListIterator&lt;String&gt; namesIterator = names.listLterator();\r\n<\/code><\/pre>\n<div>\n                            <img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65647be8a4b2f92e6c72c85f\/38-0.png\" class='post-images' alt=\"List Iterator in Java\" title=\"\"><\/p>\n<pre class=\"post-pre\"><code>namesIterator.hasNext();\r\nnamesIterator.next();\r\n<\/code><\/pre>\n<div>\n                            <img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65647be8a4b2f92e6c72c85f\/40-0.png\" class='post-images' alt=\"ListIterator backward traversing\" title=\"\"><\/p>\n<pre class=\"post-pre\"><code>namesIterator.hasPrevious();\r\nnamesIterator.previous();\r\n<\/code><\/pre>\n<div>\n                            <img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65647be8a4b2f92e6c72c85f\/42-1.png\" class='post-images' alt=\"ListIterator cursor diagram\" title=\"\"><\/p>\n<pre class=\"post-pre\"><code>namesIterator.hasPrevious();\r\n<\/code><\/pre>\n<div>\n                            <img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65647be8a4b2f92e6c72c85f\/44-2.png\" class='post-images' alt=\"ListIterator traversing\" title=\"\"><\/p>\n<h3>ListIterator\u7684\u4f18\u52bf<\/p>\n<p>\u4e0e\u8fed\u4ee3\u5668\u4e0d\u540c\uff0c\u5217\u8868\u8fed\u4ee3\u5668\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>Like Iterator, it supports READ and DELETE operations.<\/li>\n<li>It supports CREATE and UPDATE operations too.<\/li>\n<li>That means, it supports CRUD operations: CREATE, READ, UPDATE and DELETE operations.<\/li>\n<li>It supports both Forward direction and Backward direction iteration. That means it\u2019s a Bi-Directional Java Cursor.<\/li>\n<li>Method names are simple and easy to use them.<\/li>\n<\/ul>\n<h3>ListIterator\u7684\u9650\u5236<\/p>\n<p>\u4e0e\u8fed\u4ee3\u5668\u76f8\u6bd4\uff0cJava\u7684ListIterator\u5177\u6709\u8bb8\u591a\u4f18\u70b9\u3002\u7136\u800c\uff0c\u5b83\u4ecd\u7136\u6709\u4ee5\u4e0b\u4e00\u4e9b\u9650\u5236\u3002<\/p>\n<ul class=\"post-ul\">\n<li>It is an Iterator only List implementation classes.<\/li>\n<li>Unlike Iterator, it is not applicable for whole Collection API.<\/li>\n<li>It is not a Universal Java Cursor.<\/li>\n<li>Compare to Spliterator, it does NOT support Parallel iteration of elements.<\/li>\n<li>Compare to Spliterator, it does NOT support better performance to iterate large volume of data.<\/li>\n<\/ul>\n<h3>\u8fed\u4ee3\u5668\u548c\u5217\u8868\u8fed\u4ee3\u5668\u4e4b\u95f4\u7684\u76f8\u4f3c\u4e4b\u5904<\/p>\n<p>\u5728\u8fd9\u4e00\u90e8\u5206\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bbaJava\u4e24\u4e2a\u6e38\u6807\u4e4b\u95f4\u7684\u76f8\u4f3c\u4e4b\u5904\uff1a\u8fed\u4ee3\u5668\u548c\u5217\u8868\u8fed\u4ee3\u5668\u3002<\/p>\n<ul class=\"post-ul\">\n<li>Bother are introduced in Java 1.2.<\/li>\n<li>Both are Iterators used to iterate Collection or List elements.<\/li>\n<li>Both supports READ and DELETE operations.<\/li>\n<li>Both supports Forward Direction iteration.<\/li>\n<li>Both are not Legacy interfaces.<\/li>\n<\/ul>\n<h3>\u8fed\u4ee3\u5668\u548c\u5217\u8868\u8fed\u4ee3\u5668\u4e4b\u95f4\u7684\u533a\u522b<\/p>\n<p>\u5728\u8fd9\u4e00\u90e8\u5206\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bbaJava\u4e24\u79cd\u8fed\u4ee3\u5668\uff1aIterator\u548cListIterator\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/p>\n<div>\n<div class=\"post-table\">\n<table>\n<thead>\n<tr>\n<th>Iterator<\/th>\n<th>ListIterator<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Introduced in Java 1.2.<\/td>\n<td>Introduced in Java 1.2.<\/td>\n<\/tr>\n<tr>\n<td>It is an Iterator for whole Collection API.<\/td>\n<td>It is an Iterator for only List implemented classes.<\/td>\n<\/tr>\n<tr>\n<td>It is an Universal Iterator.<\/td>\n<td>It is NOT an Universal Iterator.<\/td>\n<\/tr>\n<tr>\n<td>It supports only Forward Direction Iteration.<\/td>\n<td>It supports both Forward and Backward Direction iterations.<\/td>\n<\/tr>\n<tr>\n<td>It\u2019s a Uni-Directional Iterator.<\/td>\n<td>It\u2019s a Bi-Directional Iterator.<\/td>\n<\/tr>\n<tr>\n<td>It supports only READ and DELETE operations.<\/td>\n<td>It supports all CRUD operations.<\/td>\n<\/tr>\n<tr>\n<td>We can get Iterator by using iterator() method.<\/td>\n<td>We can ListIterator object using listIterator() method.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fd9\u5c31\u662f\u5173\u4e8eJava\u4e2dListIterator\u7684\u5168\u90e8\u5185\u5bb9\u3002\u5e0c\u671b\u8fd9\u4e9bJava ListIterator\u7684\u7406\u8bba\u548c\u4f8b\u5b50\u80fd\u5e2e\u52a9\u4f60\u5f00\u59cbListIterator\u7f16\u7a0b\u3002\u53c2\u8003\u6587\u732e\uff1aListIterator API\u6587\u6863\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u4eec\u77e5\u9053Java\u6709\u56db\u4e2a\u6e38\u6807\uff1aEnumeration\uff0cIterator\uff0cListIterator\u548cSpliter [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1496,180,1498,1402,1497],"class_list":{"0":"post-498","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-java-listiterator","8":"tag-java","11":"tag-1497"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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