{"id":1452,"date":"2026-05-19T22:15:00","date_gmt":"2026-05-19T14:15:00","guid":{"rendered":"https:\/\/yunyanglib.cn\/?p=1452"},"modified":"2026-05-19T22:15:02","modified_gmt":"2026-05-19T14:15:02","slug":"%e3%80%90java%e3%80%91iterator-%e4%b8%8e-iterable-%e7%9a%84%e5%8c%ba%e5%88%ab%ef%bc%9a%e4%bb%8e%e5%8e%9f%e7%90%86%e5%88%b0%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=1452","title":{"rendered":"\u3010Java\u3011Iterator \u4e0e Iterable \u7684\u533a\u522b\uff1a\u4ece\u539f\u7406\u5230\u5b9e\u6218"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5927\u5bb6\u597d\uff0c\u6211\u662f\u4e91\u626c\uff5e \u6700\u8fd1\u5728\u68b3\u7406 Java \u96c6\u5408\u6846\u67b6\u7684\u6838\u5fc3\u77e5\u8bc6\u70b9\u65f6\uff0c\u53d1\u73b0\u5f88\u591a\u5c0f\u4f19\u4f34\u5bf9 Iterator \u548c Iterable \u8fd9\u4e24\u4e2a\u63a5\u53e3\u7684\u7406\u89e3\u6709\u4e9b\u6df7\u6dc6\uff0c\u751a\u81f3\u4f1a\u8bef\u4ee5\u4e3a\u5b83\u4eec\u662f\u540c\u4e00\u4e2a\u4e1c\u897f\u3002\u4eca\u5929\u5c31\u6765\u8be6\u7ec6\u62c6\u89e3\u4e00\u4e0b\u8fd9\u4e24\u4e2a\u63a5\u53e3\u7684\u533a\u522b\u3001\u6838\u5fc3\u4f5c\u7528\u4ee5\u53ca\u5b9e\u9645\u5e94\u7528\u573a\u666f\uff0c\u8fd8\u4f1a\u9644\u4e0a\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5e2e\u52a9\u5927\u5bb6\u5f7b\u5e95\u641e\u61c2\uff5e<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u5148\u660e\u786e\uff1a\u4e24\u4e2a\u63a5\u53e3\u7684\u6838\u5fc3\u5b9a\u4f4d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 Java \u96c6\u5408\u6846\u67b6\u4e2d\uff0c\u8fd9\u4e24\u4e2a\u63a5\u53e3\u662f\u5b9e\u73b0 \u201c\u904d\u5386\u529f\u80fd\u201d \u7684\u57fa\u7840\uff0c\u4f46\u804c\u8d23\u5b8c\u5168\u4e0d\u540c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Iterable \u63a5\u53e3<\/strong>\uff1a\u8d1f\u8d23 \u201c\u58f0\u660e\u53ef\u8fed\u4ee3\u6027\u201d\u2014\u2014 \u4efb\u4f55\u7c7b\u53ea\u8981\u5b9e\u73b0\u4e86\u8fd9\u4e2a\u63a5\u53e3\uff0c\u5c31\u610f\u5473\u7740\u5b83\u7684\u5b9e\u4f8b\u662f \u201c\u53ef\u88ab\u904d\u5386\u201d \u7684\uff0c\u80fd\u76f4\u63a5\u4f7f\u7528 for-each \u5faa\u73af\uff08\u589e\u5f3a for \u5faa\u73af\uff09\u3002<\/li>\n\n\n\n<li><strong>Iterator \u63a5\u53e3<\/strong>\uff1a\u8d1f\u8d23 \u201c\u5b9a\u4e49\u904d\u5386\u903b\u8f91\u201d\u2014\u2014 \u5b83\u63d0\u4f9b\u4e86\u5177\u4f53\u7684\u904d\u5386\u65b9\u6cd5\uff08\u5224\u65ad\u4e0b\u4e00\u4e2a\u5143\u7d20\u3001\u83b7\u53d6\u4e0b\u4e00\u4e2a\u5143\u7d20\u3001\u5220\u9664\u5143\u7d20\uff09\uff0c\u662f\u771f\u6b63\u6267\u884c\u904d\u5386\u64cd\u4f5c\u7684 \u201c\u5de5\u5177\u201d\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b80\u5355\u8bf4\uff1aIterable \u662f \u201c\u8d44\u683c\u8bc1\u201d\uff0c\u6709\u4e86\u5b83\u624d\u80fd\u7528 for-each \u5faa\u73af\uff1bIterator \u662f \u201c\u5de5\u5177\u4eba\u201d\uff0c\u8d1f\u8d23\u5177\u4f53\u7684\u904d\u5386\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001Iterable \u63a5\u53e3\uff1a\u83b7\u53d6\u904d\u5386 \u201c\u8d44\u683c\u8bc1\u201d<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u63a5\u53e3\u5b9a\u4e49\u4e0e\u6838\u5fc3\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Iterable \u63a5\u53e3\u7684\u6e90\u7801\u975e\u5e38\u7b80\u6d01\uff0c\u6838\u5fc3\u53ea\u6709\u4e00\u4e2a\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public interface Iterable\n    \/\/ \u8fd4\u56de\u4e00\u4e2a Iterator \u5b9e\u4f8b\uff0c\u7528\u4e8e\u540e\u7eed\u904d\u5386\n    Iterator&lt;T> iterator();\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u6709\u5b9e\u73b0\u4e86 Iterable \u63a5\u53e3\u7684\u7c7b\uff0c\u90fd\u5fc5\u987b\u91cd\u5199 <code>iterator()<\/code> \u65b9\u6cd5\uff0c\u8fd4\u56de\u4e00\u4e2a\u5bf9\u5e94\u7684 Iterator \u5bf9\u8c61\u3002\u8fd9\u4e5f\u662f for-each \u5faa\u73af\u80fd\u5de5\u4f5c\u7684\u5173\u952e\uff1a\u5f53\u6211\u4eec\u7528 for-each \u904d\u5386\u4e00\u4e2a\u96c6\u5408\u65f6\uff0c\u5e95\u5c42\u5176\u5b9e\u662f\u901a\u8fc7\u8c03\u7528 <code>iterator()<\/code> \u65b9\u6cd5\u83b7\u53d6 Iterator \u5bf9\u8c61\uff0c\u518d\u901a\u8fc7\u8fd9\u4e2a\u5bf9\u8c61\u5b8c\u6210\u904d\u5386\u7684\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5b9e\u9645\u5e94\u7528\uff1a\u81ea\u5b9a\u4e49\u7c7b\u5b9e\u73b0 Iterable<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u5982\u6211\u4eec\u60f3\u521b\u5efa\u4e00\u4e2a \u201c\u81ea\u5b9a\u4e49\u4e66\u67b6\u7c7b\u201d\uff0c\u8ba9\u5b83\u80fd\u76f4\u63a5\u7528 for-each \u5faa\u73af\u904d\u5386\u4e66\u67b6\u4e0a\u7684\u4e66\u3002\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.util.Iterator;\n\n\/\/ \u81ea\u5b9a\u4e49\u4e66\u67b6\u7c7b\uff0c\u5b9e\u73b0 Iterable \u63a5\u53e3\uff08\u58f0\u660e\u53ef\u8fed\u4ee3\uff09\npublic class BookShelf implements Iterable&lt;String> {\n    private String&#91;] books;\n    private int size;\n\n    \/\/ \u6784\u9020\u65b9\u6cd5\uff1a\u521d\u59cb\u5316\u4e66\u67b6\n    public BookShelf(int capacity) {\n        books = new String&#91;capacity];\n        size = 0;\n    }\n\n    \/\/ \u6dfb\u52a0\u4e66\u7c4d\n    public void addBook(String book) {\n        if (size &lt; books.length) {\n            books&#91;size++] = book;\n        }\n    }\n\n    \/\/ \u6838\u5fc3\uff1a\u5b9e\u73b0 Iterable \u63a5\u53e3\u7684 iterator() \u65b9\u6cd5\uff0c\u8fd4\u56de Iterator \u5b9e\u4f8b\n    @Override\n    public Iterator&lt;String> iterator() {\n        \/\/ \u8fd4\u56de\u81ea\u5b9a\u4e49\u7684 Iterator \u5b9e\u73b0\u7c7b\uff08\u533f\u540d\u5185\u90e8\u7c7b\u5f62\u5f0f\uff09\n        return new Iterator&lt;String>() {\n            private int index = 0; \/\/ \u904d\u5386\u6307\u9488\n\n            \/\/ \u5224\u65ad\u662f\u5426\u8fd8\u6709\u4e0b\u4e00\u4e2a\u5143\u7d20\n            @Override\n            public boolean hasNext() {\n                return index &lt; size;\n            }\n\n            \/\/ \u83b7\u53d6\u4e0b\u4e00\u4e2a\u5143\u7d20\uff0c\u5e76\u79fb\u52a8\u6307\u9488\n            @Override\n            public String next() {\n                return books&#91;index++];\n            }\n        };\n    }\n\n    \/\/ \u6d4b\u8bd5\uff1a\u76f4\u63a5\u7528 for-each \u5faa\u73af\u904d\u5386\u4e66\u67b6\n    public static void main(String&#91;] args) {\n        BookShelf shelf = new BookShelf(3);\n        shelf.addBook(\"\u300aJava \u7f16\u7a0b\u601d\u60f3\u300b\");\n        shelf.addBook(\"\u300a\u6df1\u5165\u7406\u89e3 Java \u865a\u62df\u673a\u300b\");\n        shelf.addBook(\"\u300aEffective Java\u300b\");\n\n        \/\/ \u56e0\u4e3a BookShelf \u5b9e\u73b0\u4e86 Iterable\uff0c\u6240\u4ee5\u53ef\u4ee5\u76f4\u63a5\u7528 for-each \u5faa\u73af\n        for (String book : shelf) {\n            System.out.println(\"\u4e66\u67b6\u4e0a\u7684\u4e66\uff1a\" + book);\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4e66\u67b6\u4e0a\u7684\u4e66\uff1a\u300aJava \u7f16\u7a0b\u601d\u60f3\u300b\n\u4e66\u67b6\u4e0a\u7684\u4e66\uff1a\u300a\u6df1\u5165\u7406\u89e3 Java \u865a\u62df\u673a\u300b\n\u4e66\u67b6\u4e0a\u7684\u4e66\uff1a\u300aEffective Java\u300b\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u770b\u5230\uff0c\u53ea\u8981\u5b9e\u73b0\u4e86 Iterable \u63a5\u53e3\u5e76\u63d0\u4f9b Iterator \u5b9e\u4f8b\uff0c\u81ea\u5b9a\u4e49\u7c7b\u5c31\u80fd\u65e0\u7f1d\u652f\u6301 for-each \u5faa\u73af\uff0c\u8fd9\u5c31\u662f Iterable \u63a5\u53e3\u7684\u6838\u5fc3\u4ef7\u503c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001Iterator \u63a5\u53e3\uff1a\u5b9e\u73b0\u5177\u4f53\u7684\u904d\u5386\u903b\u8f91<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u63a5\u53e3\u5b9a\u4e49\u4e0e\u6838\u5fc3\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Iterator \u63a5\u53e3\u5b9a\u4e49\u4e86\u904d\u5386\u7684\u4e09\u5927\u6838\u5fc3\u64cd\u4f5c\uff0c\u6e90\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public interface Iterator&lt;E> { \n   \/\/ \u5224\u65ad\u96c6\u5408\u4e2d\u662f\u5426\u8fd8\u6709\u672a\u904d\u5386\u7684\u5143\u7d20\n    boolean hasNext();\n\n    \/\/ \u8fd4\u56de\u4e0b\u4e00\u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u904d\u5386\u6307\u9488\u5411\u540e\u79fb\u52a8\u4e00\u4f4d\n    T next();\n\n    \/\/ \u5220\u9664\u4e0a\u4e00\u6b21 next() \u65b9\u6cd5\u8fd4\u56de\u7684\u5143\u7d20\uff08\u53ef\u9009\u64cd\u4f5c\uff0c\u9700\u8c28\u614e\u4f7f\u7528\uff09\n    default void remove() {\n        throw new UnsupportedOperationException(\"remove\");\n    }\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e09\u4e2a\u65b9\u6cd5\u7684\u6838\u5fc3\u4f5c\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>hasNext()<\/code>\uff1a\u9632\u6b62\u8d8a\u754c\u8bbf\u95ee\uff0c\u904d\u5386\u524d\u5148\u5224\u65ad\u662f\u5426\u8fd8\u6709\u5143\u7d20\u3002<\/li>\n\n\n\n<li><code>next()<\/code>\uff1a\u83b7\u53d6\u5f53\u524d\u5143\u7d20\uff0c\u5e76\u79fb\u52a8\u6307\u9488\uff08\u6ce8\u610f\uff1a\u5fc5\u987b\u5148\u8c03\u7528 <code>hasNext()<\/code> \u5224\u65ad\uff0c\u5426\u5219\u53ef\u80fd\u629b\u51fa <code>NoSuchElementException<\/code>\uff09\u3002<\/li>\n\n\n\n<li><code>remove()<\/code>\uff1a\u5220\u9664\u4e0a\u4e00\u6b21 <code>next()<\/code> \u83b7\u53d6\u7684\u5143\u7d20\uff08\u662f\u552f\u4e00\u5b89\u5168\u7684\u96c6\u5408\u904d\u5386\u5220\u9664\u65b9\u5f0f\uff0c\u907f\u514d <code>ConcurrentModificationException<\/code>\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5b9e\u9645\u5e94\u7528\uff1a\u7528 Iterator \u904d\u5386\u96c6\u5408\u5e76\u5220\u9664\u5143\u7d20<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u5982\u6211\u4eec\u6709\u4e00\u4e2a List \u96c6\u5408\uff0c\u9700\u8981\u904d\u5386\u5e76\u5220\u9664\u5176\u4e2d\u7684\u5076\u6570\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.util.ArrayList;\nimport java.util.Iterator;\nimport java.util.List;\n\npublic class IteratorDemo {\n    public static void main(String&#91;] args) {\n        List&lt;Integer> numList = new ArrayList&lt;>();\n        numList.add(1);\n        numList.add(2);\n        numList.add(3);\n        numList.add(4);\n        numList.add(5);\n\n        \/\/ 1. \u83b7\u53d6 Iterator \u5bf9\u8c61\n        Iterator&lt;Integer> iterator = numList.iterator();\n\n        \/\/ 2. \u904d\u5386\u5e76\u5220\u9664\u5076\u6570\n        while (iterator.hasNext()) {\n            Integer num = iterator.next(); \/\/ \u5148\u83b7\u53d6\u5143\u7d20\n            if (num % 2 == 0) {\n                iterator.remove(); \/\/ \u5b89\u5168\u5220\u9664\uff08\u76f4\u63a5\u8c03\u7528 Iterator \u7684 remove \u65b9\u6cd5\uff09\n            }\n        }\n\n        \/\/ \u8f93\u51fa\u7ed3\u679c\uff1a&#91;1, 3, 5]\n        System.out.println(\"\u5220\u9664\u5076\u6570\u540e\u7684\u96c6\u5408\uff1a\" + numList);\n    }\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u91cc\u8981\u6ce8\u610f\uff1a<strong>\u4e0d\u80fd\u5728 for-each \u5faa\u73af\u4e2d\u76f4\u63a5\u8c03\u7528\u96c6\u5408\u7684 remove () \u65b9\u6cd5<\/strong>\uff08\u4f1a\u89e6\u53d1\u5e76\u53d1\u4fee\u6539\u5f02\u5e38\uff09\uff0c\u800c\u901a\u8fc7 Iterator \u7684 <code>remove()<\/code> \u65b9\u6cd5\u5220\u9664\u662f\u5b89\u5168\u7684\uff0c\u56e0\u4e3a\u5b83\u4f1a\u540c\u6b65\u66f4\u65b0\u96c6\u5408\u7684\u4fee\u6539\u6b21\u6570\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u6838\u5fc3\u533a\u522b\u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u8ba9\u5927\u5bb6\u66f4\u6e05\u6670\u5730\u5bf9\u6bd4\uff0c\u6574\u7406\u4e86\u4e00\u5f20\u8868\u683c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u7279\u6027<\/th><th class=\"has-text-align-left\" data-align=\"left\">Iterable \u63a5\u53e3<\/th><th class=\"has-text-align-left\" data-align=\"left\">Iterator \u63a5\u53e3<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\u6838\u5fc3\u804c\u8d23<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u58f0\u660e\u7c7b\u7684\u53ef\u8fed\u4ee3\u6027\uff0c\u652f\u6301 for-each \u5faa\u73af<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5b9a\u4e49\u5177\u4f53\u7684\u904d\u5386\u903b\u8f91\uff08\u5224\u65ad\u3001\u83b7\u53d6\u3001\u5220\u9664\uff09<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u6838\u5fc3\u65b9\u6cd5<\/td><td class=\"has-text-align-left\" data-align=\"left\"><code>iterator()<\/code>\uff1a\u8fd4\u56de Iterator \u5b9e\u4f8b<\/td><td class=\"has-text-align-left\" data-align=\"left\"><code>hasNext()<\/code>\u3001<code>next()<\/code>\u3001<code>remove()<\/code><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u4f9d\u8d56\u5173\u7cfb<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4f9d\u8d56 Iterator \u63a5\u53e3\uff08\u8fd4\u56de\u5176\u5b9e\u4f8b\uff09<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u72ec\u7acb\u5de5\u4f5c\uff0c\u65e0\u9700\u4f9d\u8d56 Iterable<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u4f7f\u7528\u573a\u666f<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u8ba9\u81ea\u5b9a\u4e49\u7c7b\u652f\u6301 for-each \u5faa\u73af<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u904d\u5386\u96c6\u5408\u3001\u5b89\u5168\u5220\u9664\u5143\u7d20<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u5b9e\u9645\u5f00\u53d1\u4e2d\u7684\u6ce8\u610f\u4e8b\u9879<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>for-each \u5faa\u73af\u7684\u672c\u8d28<\/strong>\uff1a\u5e95\u5c42\u662f Iterator \u7684\u5c01\u88c5\uff0c\u6240\u4ee5\u80fd\u904d\u5386\u6240\u6709\u5b9e\u73b0\u4e86 Iterable \u63a5\u53e3\u7684\u7c7b\uff08\u5982 List\u3001Set\u3001Collection \u7b49\uff09\uff0c\u4f46 Map \u6ca1\u6709\u5b9e\u73b0 Iterable\uff0c\u6240\u4ee5\u4e0d\u80fd\u76f4\u63a5\u7528 for-each \u904d\u5386\uff08\u9700\u901a\u8fc7 <code>keySet()<\/code> \u6216 <code>entrySet()<\/code> \u8f6c\u6362\uff09\u3002<\/li>\n\n\n\n<li><strong>Iterator \u7684\u5355\u6b21\u904d\u5386\u9650\u5236<\/strong>\uff1a\u4e00\u4e2a Iterator \u5b9e\u4f8b\u53ea\u80fd\u904d\u5386\u4e00\u6b21\u96c6\u5408\uff0c\u82e5\u9700\u518d\u6b21\u904d\u5386\uff0c\u9700\u91cd\u65b0\u8c03\u7528 <code>iterator()<\/code> \u65b9\u6cd5\u83b7\u53d6\u65b0\u5b9e\u4f8b\u3002<\/li>\n\n\n\n<li><strong>remove () \u65b9\u6cd5\u7684\u4f7f\u7528\u9650\u5236<\/strong>\uff1a\u5fc5\u987b\u5728\u8c03\u7528 <code>next()<\/code> \u4e4b\u540e\u624d\u80fd\u8c03\u7528 <code>remove()<\/code>\uff0c\u4e14\u6bcf\u6b21 <code>next()<\/code> \u53ea\u80fd\u5bf9\u5e94\u4e00\u6b21 <code>remove()<\/code>\uff0c\u5426\u5219\u4f1a\u629b\u51fa <code>IllegalStateException<\/code>\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u540e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Iterator \u548c Iterable \u662f Java \u96c6\u5408\u904d\u5386\u7684\u57fa\u7840\uff0c\u7406\u89e3\u5b83\u4eec\u7684\u804c\u8d23\u5206\u5de5\uff0c\u80fd\u5e2e\u52a9\u6211\u4eec\u66f4\u7075\u6d3b\u5730\u4f7f\u7528\u96c6\u5408\u6846\u67b6\uff0c\u751a\u81f3\u81ea\u5b9a\u4e49\u53ef\u904d\u5386\u7684\u7c7b\u3002\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5e2e\u5927\u5bb6\u5f7b\u5e95\u641e\u61c2\u4e24\u8005\u7684\u533a\u522b\uff0c\u4e0b\u6b21\u9047\u5230\u76f8\u5173\u95ee\u9898\u518d\u4e5f\u4e0d\u4f1a\u6df7\u6dc6\u5566\uff5e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6709\u7591\u95ee\u6216\u8865\u5145\uff0c\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u7559\u8a00\u4ea4\u6d41\uff5e \u53e6\u5916\uff0c\u4e4b\u524d\u8fd8\u5206\u4eab\u8fc7 ArrayList\u3001LinkedList \u7b49\u96c6\u5408\u7684\u5e95\u5c42\u539f\u7406\u548c\u5b9e\u6218\u6280\u5de7\uff0c\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u53ef\u4ee5\u53bb\u770b\u770b\u54e6\uff5e<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u4e91\u626c\uff5e \u6700\u8fd1\u5728\u68b3\u7406 Java \u96c6\u5408\u6846\u67b6\u7684\u6838\u5fc3\u77e5\u8bc6\u70b9\u65f6\uff0c\u53d1\u73b0\u5f88\u591a\u5c0f\u4f19\u4f34\u5bf9 Iterator \u548c It<\/p>\n<div class=\"more-link\">\n\t\t\t\t <a href=\"https:\/\/yunyanglib.cn\/?p=1452\" class=\"link-btn theme-btn\"><span>Read More <\/span> <i class=\"fa fa-caret-right\"><\/i><\/a>\n\t\t\t<\/div>\n","protected":false},"author":1,"featured_media":1494,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[15],"class_list":["post-1452","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","tag-java"],"_links":{"self":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1452","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1452"}],"version-history":[{"count":4,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1452\/revisions"}],"predecessor-version":[{"id":1456,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1452\/revisions\/1456"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/media\/1494"}],"wp:attachment":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1452"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}