{"id":469,"date":"2023-07-12T23:43:34","date_gmt":"2023-12-03T06:12:18","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/java%e3%81%aelistiterator%e3%81%af%e3%80%81java%e3%81%aelistiterator%e3%81%a7%e3%81%99%e3%80%82\/"},"modified":"2025-07-31T23:49:43","modified_gmt":"2025-07-31T14:49:43","slug":"java%e3%81%aelistiterator%e3%81%af%e3%80%81java%e3%81%aelistiterator%e3%81%a7%e3%81%99%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%aelistiterator%e3%81%af%e3%80%81java%e3%81%aelistiterator%e3%81%a7%e3%81%99%e3%80%82\/","title":{"rendered":"Java\u306eListIterator\u306f\u3001Java\u306eListIterator\u3067\u3059\u3002"},"content":{"rendered":"<p>\u79c1\u305f\u3061\u306fJava\u306b\u306f4\u7a2e\u985e\u306e\u30ab\u30fc\u30bd\u30eb\u304c\u3042\u308b\u3053\u3068\u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u3002Enumeration\u3001Iterator\u3001ListIterator\u3001\u304a\u3088\u3073Spliterator\u3067\u3059\u3002\u79c1\u306f\u4ee5\u524d\u306e\u6295\u7a3f\u3067Enumeration\u3068Iterator\u306e\u30ab\u30fc\u30bd\u30eb\u306b\u3064\u3044\u3066\u3059\u3067\u306b\u8aac\u660e\u3057\u307e\u3057\u305f\u306e\u3067\u3001\u3053\u306e\u6295\u7a3f\u3092\u8aad\u3080\u524d\u306b\u3001Java Iterator\u3067\u79c1\u306e\u524d\u306e\u6295\u7a3f\u3092\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u6295\u7a3f\u3067\u306f\u30013\u756a\u76ee\u306eJava\u30ab\u30fc\u30bd\u30eb\u3067\u3042\u308bListIterator\u306b\u3064\u3044\u3066\u8b70\u8ad6\u3057\u307e\u3059\u3002<\/p>\n<h3>Java \u306e ListIterator<\/h3>\n<p>\u30ea\u30b9\u30c8\u30a4\u30c6\u30ec\u30fc\u30bf\u306fJava\u306e\u30a4\u30c6\u30ec\u30fc\u30bf\u3067\u3042\u308a\u3001\u30ea\u30b9\u30c8\u5b9f\u88c5\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u8981\u7d20\u30921\u3064\u305a\u3064\u53cd\u5fa9\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>It is available since Java 1.2.<\/li>\n<li>It extends Iterator interface.<\/li>\n<li>It is useful only for List implemented classes.<\/li>\n<li>Unlike Iterator, It supports all four operations: CRUD (CREATE, READ, UPDATE and DELETE).<\/li>\n<li>Unlike Iterator, It supports both Forward Direction and Backward Direction iterations.<\/li>\n<li>It is a Bi-directional Iterator.<\/li>\n<li>It has no current element; its cursor position always lies between the element that would be returned by a call to previous() and the element that would be returned by a call to next().<\/li>\n<\/ul>\n<p>\u30b3\u30ec\u30af\u30b7\u30e7\u30f3API\u306b\u304a\u3051\u308bCRUD\u64cd\u4f5c\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/p>\n<ul class=\"post-ul\">\n<li>CREATE: Adding new elements to Collection object.<\/li>\n<li>READ: Retrieving elements from Collection object.<\/li>\n<li>UPDATE: Updating or setting existing elements in Collection object.<\/li>\n<li>DELETE: Removing elements from Collection object.<\/li>\n<\/ul>\n<h3>Java\u306eListIterator\u30af\u30e9\u30b9\u306e\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648c19daa94e2bdf7bc57c\/7-0.jpg\" alt=\"Java ListIterator\" \/><\/div>\n<h3>Java\u306eListIterator\u30e1\u30bd\u30c3\u30c9<\/h3>\n<p>Java\u306eListIterator\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>void add(E e): Inserts the specified element into the list.<\/li>\n<li>boolean hasNext(): Returns true if this list iterator has more elements when traversing the list in the forward direction.<\/li>\n<li>boolean hasPrevious(): Returns true if this list iterator has more elements when traversing the list in the reverse direction.<\/li>\n<li>E next(): Returns the next element in the list and advances the cursor position.<\/li>\n<li>int nextIndex(): Returns the index of the element that would be returned by a subsequent call to next().<\/li>\n<li>E previous(): Returns the previous element in the list and moves the cursor position backwards.<\/li>\n<li>int previousIndex(): Returns the index of the element that would be returned by a subsequent call to previous().<\/li>\n<li>void remove(): Removes from the list the last element that was returned by next() or previous().<\/li>\n<li>void set(E e): Replaces the last element returned by next() or previous() with the specified element.<\/li>\n<\/ul>\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5f79\u7acb\u3064\u4f8b\u3092\u4ea4\u3048\u306a\u304c\u3089\u3001\u3053\u308c\u3089\u306e\u65b9\u6cd5\u3092\u4e00\u3064\u305a\u3064\u63a2\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h3>Java\u306eListIterator\u306e\u57fa\u672c\u7684\u306a\u4f8b<\/h3>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3044\u304f\u3064\u304b\u306eListIterator\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u3044\u304f\u3064\u304b\u306e\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002\u307e\u305a\u306f\u3001\u3053\u306e\u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002ListIterator\u3092\u3069\u306e\u3088\u3046\u306b\u53d6\u5f97\u3059\u308b\u306e\u304b\u3002<\/p>\n<pre class=\"post-pre\"><code>ListIterator&lt;E&gt; listIterator()\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u306b\u5bfe\u3059\u308b\u30ea\u30b9\u30c8\u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u8fd4\u3057\u307e\u3059\u3002\u4f8b\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&amp;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\/\/ Getting ListIterator\r\n\tListIterator&lt;String&amp;gt namesIterator = names.listIterator();\r\n\t\r\n\t\/\/ Traversing elements\r\n\twhile(namesIterator.hasNext()){\r\n\t   System.out.println(namesIterator.next());\t\t\t\r\n\t}\t\r\n\r\n\t\/\/ Enhanced for loop creates Internal Iterator here.\r\n\tfor(String name: names){\r\n\t   System.out.println(name);\t\t\t\r\n\t}\t\r\n  }\r\n}\r\n<\/code><\/pre>\n<p>\u51fa\u529b\uff1a<\/p>\n<pre class=\"post-pre\"><code>Rams\r\nPosa\r\nChinni\r\n<\/code><\/pre>\n<h3>\u30ea\u30b9\u30c8\u306e\u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u53cc\u65b9\u5411\u30a4\u30c6\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u4f8b<\/h3>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001ListIterator\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u524d\u65b9\u5411\u3068\u5f8c\u65b9\u5411\u306e\u53cd\u5fa9\u3092\u884c\u3046\u65b9\u6cd5\u3092\u63a2\u6c42\u3057\u307e\u3059\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&amp;gt names = new LinkedListt&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\/\/ Getting ListIterator\r\n\t\tListIterator&lt;String&amp;gt listIterator = names.listIterator();\r\n\t\t\r\n\t\t\/\/ Traversing elements\r\n\t\tSystem.out.println(\"Forward Direction Iteration:\");\r\n\t\twhile(listIterator.hasNext()){\r\n\t\t\tSystem.out.println(listIterator.next());\t\t\t\r\n\t\t}\t\r\n\t\t\r\n\t\t\/\/ Traversing elements, the iterator is at the end at this point\r\n\t\tSystem.out.println(\"Backward Direction Iteration:\");\r\n\t\twhile(listIterator.hasPrevious()){\r\n\t\t\tSystem.out.println(listIterator.previous());\t\t\t\r\n\t\t}\r\n\t}\r\n}\r\n<\/code><\/pre>\n<p>\u51fa\u529b\uff1a<\/p>\n<pre class=\"post-pre\"><code>Forward Direction Iteration:\r\nRams\r\nPosa\r\nChinni\r\nBackward Direction Iteration:\r\nChinni\r\nPosa\r\nRams\r\n<\/code><\/pre>\n<h3>Java \u30a4\u30c6\u30ec\u30fc\u30bf\u306e\u7a2e\u985e<\/h3>\n<p>\u79c1\u305f\u3061\u304c\u77e5\u3063\u3066\u3044\u308b\u3088\u3046\u306b\u3001Java\u306b\u306f4\u3064\u306e\u30ab\u30fc\u30bd\u30eb\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u3089\u306fEnumeration\u3001Iterator\u3001ListIterator\u3001\u304a\u3088\u3073Spliterator\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u793a\u3059\u3088\u3046\u306b\u3001\u305d\u308c\u3089\u30922\u3064\u306e\u4e3b\u306a\u30bf\u30a4\u30d7\u306b\u5206\u985e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li>Uni-Directional Iterators<br \/>\nThey are Cursors which supports only Forward Direction iterations. For instance, Enumeration, Iterator, etc. are Uni-Directional Iterators.- Bi-Directional Iterators<br \/>\nThey are Cursors which supports Both Forward Direction and Backward Direction iterations. For instance, ListIterator is Bi-Directional Iterator.<\/li>\n<\/ul>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648c19daa94e2bdf7bc57c\/27-0.png\" alt=\"java cursor types\" \/><\/div>\n<h3>Java\u306eListIterator\u306f\u5185\u90e8\u7684\u306b\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u79c1\u305f\u3061\u304c\u77e5\u3063\u3066\u3044\u308b\u3088\u3046\u306b\u3001Java\u306eListIterator\u306f\u6b63\u65b9\u5411\u3068\u9006\u65b9\u5411\u306e\u4e21\u65b9\u3067\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u53cc\u65b9\u5411\u30a4\u30c6\u30ec\u30fc\u30bf\u3067\u3059\u3002\u3053\u306e\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306b\u30012\u3064\u306e\u30e1\u30bd\u30c3\u30c9\u30bb\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\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>\n<li style=\"list-style-type: none;\">\n<ol>hasNext\uff08\uff09<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u6b21\uff08\uff09<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u6b21\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff08\uff09<\/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>\n<li style=\"list-style-type: none;\">\n<ol>\u524d\u306e\u8981\u7d20\u304c\u3042\u308b\u304b\u78ba\u8a8d\u3059\u308b\uff08hasPrevious\uff08\uff09\uff09<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u524d\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\uff08previous\uff08\uff09\uff09<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u524d\u306e\u8981\u7d20\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u53d6\u5f97\u3059\u308b\uff08previousIndex\uff08\uff09\uff09<\/ol>\n<p>\u4ee5\u524d\u306e\u6295\u7a3f\u3067\u306f\u3001\u300cJava\u306eIterator\u306f\u5185\u90e8\u7684\u306b\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u304b\uff1f\u300d\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u3001Iterator\u304c\u300c\u524d\u65b9\u65b9\u5411\u306b\u79fb\u52d5\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3059\u3067\u306b\u8b70\u8ad6\u3057\u3066\u304d\u307e\u3057\u305f\u3002 ListIterator\u3082\u540c\u3058\u65b9\u6cd5\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002\u524d\u306e\u6295\u7a3f\u3092\u8aad\u307f\u305f\u3044\u5834\u5408\u306f\u3001\u3053\u3061\u3089\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044: Java\u306eIterator\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001ListIterator\u304c\u5f8c\u65b9\u65b9\u5411\u3067\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u304b\u306b\u3064\u3044\u3066\u8b70\u8ad6\u3057\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u6b21\u306eLinkedList\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d6\u308a\u4e0a\u3052\u307e\u3057\u3087\u3046\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>\u6b21\u306e\u3088\u3046\u306b\u3001LinkedList\u4e0a\u3067ListIterator\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code>ListIterator&lt;String&gt; namesIterator = names.listLterator();\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648c19daa94e2bdf7bc57c\/38-0.png\" alt=\"List Iterator in Java\" \/><\/div>\n<pre class=\"post-pre\"><code>namesIterator.hasNext();\r\nnamesIterator.next();\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648c19daa94e2bdf7bc57c\/40-0.png\" alt=\"ListIterator backward traversing\" \/><\/div>\n<pre class=\"post-pre\"><code>namesIterator.hasPrevious();\r\nnamesIterator.previous();\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648c19daa94e2bdf7bc57c\/42-1.png\" alt=\"ListIterator cursor diagram\" \/><\/div>\n<pre class=\"post-pre\"><code>namesIterator.hasPrevious();\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648c19daa94e2bdf7bc57c\/44-2.png\" alt=\"ListIterator traversing\" \/><\/div>\n<h3>ListIterator\u306e\u5229\u70b9<\/h3>\n<p>\u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u3068\u306f\u7570\u306a\u308a\u3001\u30ea\u30b9\u30c8\u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u306b\u306f\u4ee5\u4e0b\u306e\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/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\u306e\u5236\u7d04<\/h3>\n<p>Iterator\u306b\u6bd4\u3079\u3066\u3001Java\u306eListIterator\u306f\u591a\u304f\u306e\u5229\u70b9\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u4ee5\u4e0b\u306b\u3044\u304f\u3064\u304b\u306e\u5236\u9650\u304c\u3042\u308a\u307e\u3059\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>Iterator\u3068ListIterator\u306e\u985e\u4f3c\u70b9<\/h3>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Java\u306e2\u3064\u306e\u30ab\u30fc\u30bd\u30eb\u3001Iterator\u3068ListIterator\u306e\u985e\u4f3c\u70b9\u306b\u3064\u3044\u3066\u8a71\u3057\u5408\u3044\u307e\u3059\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>\u30a4\u30c6\u30ec\u30fc\u30bf\u3068\u30ea\u30b9\u30c8\u30a4\u30c6\u30ec\u30fc\u30bf\u306e\u9055\u3044<\/h3>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Java\u306e2\u3064\u306e\u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u3001Iterator\u3068ListIterator\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u8a71\u3057\u5408\u3044\u307e\u3059\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<\/div>\n<\/div>\n<p>\u3053\u308c\u304c\u3059\u3079\u3066\u306eJava\u306eListIterator\u306b\u95a2\u3059\u308b\u60c5\u5831\u3067\u3059\u3002\u3053\u308c\u3089\u306eJava ListIterator\u306e\u7406\u8ad6\u3084\u4f8b\u304cListIterator\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u521d\u3081\u306b\u5f79\u7acb\u3064\u3053\u3068\u3092\u9858\u3063\u3066\u3044\u307e\u3059\u3002\u53c2\u7167\uff1aListIterator API\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u79c1\u305f\u3061\u306fJava\u306b\u306f4\u7a2e\u985e\u306e\u30ab\u30fc\u30bd\u30eb\u304c\u3042\u308b\u3053\u3068\u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u3002Enumeration\u3001Iterator\u3001ListIterator\u3001\u304a\u3088\u3073Spliterator\u3067\u3059\u3002\u79c1\u306f\u4ee5\u524d\u306e\u6295\u7a3f\u3067Enumeration\u3068Iterator [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-469","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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