{"id":35467,"date":"2024-11-26T08:01:20","date_gmt":"2024-11-26T00:01:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35467\/"},"modified":"2024-11-26T08:01:20","modified_gmt":"2024-11-26T00:01:20","slug":"java%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e4%b8%80%e4%b8%aa%e6%97%a0%e9%99%90%e7%9a%84%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35467\/","title":{"rendered":"Java\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u65e0\u9650\u7684\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u65e0\u6cd5\u5b9a\u4e49\u65e0\u9650\u957f\u5ea6\u7684\u6570\u7ec4\uff0c\u5fc5\u987b\u4f7f\u7528\u53ef\u53d8\u957f\u5ea6\u7684\u96c6\u5408\u6216\u5916\u90e8\u6570\u636e\u7ed3\u6784\u8fdb\u884c\u66ff\u4ee3\uff0c\u4f8b\u5982 arraylist\u3001linkedhashset\u3001hashmap \u6216\u6570\u636e\u5e93\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110403452270947.jpg\" class=\"aligncenter\" title=\"Java\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u65e0\u9650\u7684\u6570\u7ec4\u63d2\u56fe\" alt=\"Java\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u65e0\u9650\u7684\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5728 Java \u4e2d\u5b9a\u4e49\u65e0\u9650\u6570\u7ec4<\/strong><\/p>\n<p>Java \u4e0d\u652f\u6301\u5b9a\u4e49\u65e0\u9650\u957f\u5ea6\u7684\u6570\u7ec4\u3002\u6570\u7ec4\u7684\u5927\u5c0f\u5fc5\u987b\u5728\u521b\u5efa\u65f6\u786e\u5b9a\uff0c\u5e76\u4e14\u5728\u521b\u5efa\u540e\u4e0d\u80fd\u52a8\u6001\u6269\u5c55\u3002<\/p>\n<p><strong>\u66ff\u4ee3\u65b9\u6cd5<\/strong><\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u5b58\u50a8\u4e0d\u65ad\u589e\u957f\u7684\u6570\u636e\u96c6\uff0c\u6709\u51e0\u79cd\u66ff\u4ee3\u65b9\u6cd5\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li> <strong>\u53ef\u53d8\u957f\u5ea6\u7684 ArrayList\uff1a<\/strong>ArrayList \u662f\u4e00\u79cd\u53ef\u53d8\u957f\u5ea6\u7684\u96c6\u5408\uff0c\u5b83\u53ef\u4ee5\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u4ee5\u5bb9\u7eb3\u65b0\u7684\u5143\u7d20\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 ArrayList \u6765\u6a21\u62df\u65e0\u9650\u6570\u7ec4\u3002<\/li>\n<li> <strong>LinkedHashSet\uff1a<\/strong>LinkedHashSet \u662f\u4e00\u4e2a\u6709\u5e8f\u65e0\u91cd\u590d\u5143\u7d20\u7684\u96c6\u5408\uff0c\u5b83\u53ef\u4ee5\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u5e76\u4fdd\u6301\u63d2\u5165\u987a\u5e8f\u3002<\/li>\n<li> <strong>HashMap\uff1a<\/strong>HashMap \u662f\u4e00\u4e2a\u96c6\u5408\uff0c\u5b83\u53ef\u4ee5\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u5e76\u6839\u636e\u952e\u5feb\u901f\u68c0\u7d22\u503c\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 HashMap \u5c06\u5143\u7d20\u5b58\u50a8\u4e3a\u952e\uff0c\u5e76\u5c06\u503c\u5b58\u50a8\u4e3a null \u6216\u5176\u4ed6\u5360\u4f4d\u7b26\u3002<\/li>\n<li> <strong>\u5916\u90e8\u6570\u636e\u7ed3\u6784\uff1a<\/strong>\u60a8\u53ef\u4ee5\u5c06\u6570\u636e\u5b58\u50a8\u5728\u5916\u90e8\u6570\u636e\u7ed3\u6784\u4e2d\uff0c\u4f8b\u5982\u6570\u636e\u5e93\u6216\u6587\u4ef6\uff0c\u5e76\u6309\u9700\u68c0\u7d22\u6570\u636e\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a\u4f7f\u7528 ArrayList<\/strong><\/p>\n<pre>import java.util.ArrayList;\n\npublic class InfiniteArray {\n\n    private ArrayList&lt;Integer&gt; array;\n\n    public InfiniteArray() {\n        this.array = new ArrayList&lt;&gt;();\n    }\n\n    public void add(int value) {\n        array.add(value);\n    }\n\n    public int get(int index) {\n        if (index &gt;= array.size()) {\n            return 0; \/\/ \u5360\u4f4d\u7b26\u6216\u9ed8\u8ba4\u503c\n        }\n        return array.get(index);\n    }\n\n    \/\/ ...\u5176\u4ed6\u65b9\u6cd5\n\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJava\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u65e0\u9650\u7684\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 java \u4e2d\u65e0\u6cd5\u5b9a\u4e49\u65e0\u9650\u957f\u5ea6\u7684\u6570\u7ec4\uff0c\u5fc5\u987b\u4f7f\u7528\u53ef\u53d8\u957f\u5ea6\u7684\u96c6\u5408\u6216\u5916\u90e8\u6570\u636e\u7ed3\u6784\u8fdb\u884c\u66ff\u4ee3\uff0c\u4f8b\u5982 arraylist\u3001linkedhashset\u3001hashmap \u6216\u6570\u636e\u5e93\u3002 \u5728 Java \u4e2d\u5b9a\u4e49\u65e0\u9650\u6570\u7ec4 Java \u4e0d\u652f\u6301\u5b9a\u4e49\u65e0\u9650\u957f\u5ea6\u7684\u6570\u7ec4\u3002\u6570\u7ec4\u7684\u5927\u5c0f\u5fc5\u987b\u5728\u521b\u5efa\u65f6\u786e\u5b9a\uff0c\u5e76\u4e14\u5728\u521b\u5efa\u540e\u4e0d\u80fd\u52a8\u6001\u6269\u5c55\u3002 \u66ff\u4ee3\u65b9\u6cd5 \u5982\u679c\u60a8\u9700\u8981\u5b58\u50a8\u4e0d\u65ad\u589e\u957f\u7684\u6570\u636e\u96c6\uff0c\u6709\u51e0\u79cd\u66ff\u4ee3\u65b9\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u53ef\u53d8\u957f\u5ea6\u7684 ArrayList\uff1aArrayList \u662f\u4e00\u79cd\u53ef\u53d8\u957f\u5ea6\u7684\u96c6\u5408\uff0c\u5b83\u53ef\u4ee5\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u4ee5\u5bb9\u7eb3\u65b0\u7684\u5143\u7d20\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 ArrayList \u6765\u6a21\u62df\u65e0\u9650\u6570\u7ec4\u3002 LinkedHashSet\uff1aLinkedHashSet \u662f\u4e00\u4e2a\u6709\u5e8f\u65e0\u91cd\u590d\u5143\u7d20\u7684\u96c6\u5408\uff0c\u5b83\u53ef\u4ee5\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u5e76\u4fdd\u6301\u63d2\u5165\u987a\u5e8f\u3002 HashMap\uff1aHashMap \u662f\u4e00\u4e2a\u96c6\u5408\uff0c\u5b83\u53ef\u4ee5\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u5e76\u6839\u636e\u952e\u5feb\u901f\u68c0\u7d22\u503c\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 HashMap \u5c06\u5143\u7d20\u5b58\u50a8\u4e3a\u952e\uff0c\u5e76\u5c06\u503c\u5b58\u50a8\u4e3a null \u6216\u5176\u4ed6\u5360\u4f4d\u7b26\u3002 \u5916\u90e8\u6570\u636e\u7ed3\u6784\uff1a\u60a8\u53ef\u4ee5\u5c06\u6570\u636e\u5b58\u50a8\u5728\u5916\u90e8\u6570\u636e\u7ed3\u6784\u4e2d\uff0c\u4f8b\u5982\u6570\u636e\u5e93\u6216\u6587\u4ef6\uff0c\u5e76\u6309\u9700\u68c0\u7d22\u6570\u636e\u3002 \u793a\u4f8b\uff1a\u4f7f\u7528 ArrayList import java.util.ArrayList; public class InfiniteArray { private ArrayList&lt;Integer&gt; array; public InfiniteArray() { this.array = new ArrayList&lt;&gt;(); } public void add(int value) { array.add(value); } public int [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-35467","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35467","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=35467"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35467\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35467"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35467"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}