{"id":203012,"date":"2025-05-22T09:48:25","date_gmt":"2025-05-22T01:48:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203012\/"},"modified":"2025-05-22T09:48:25","modified_gmt":"2025-05-22T01:48:25","slug":"java-%e4%b8%ad%e7%9a%84%e7%b1%bb%e5%9e%8b%e5%8f%82%e6%95%b0%e7%9a%84%e5%85%b7%e4%bd%93%e5%90%ab%e4%b9%89%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203012\/","title":{"rendered":"Java \u4e2d\u7684\u7c7b\u578b\u53c2\u6570\u7684\u5177\u4f53\u542b\u4e49\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

Java \u4e2d\u7684\u7c7b\u578b\u53c2\u6570\u7684\u5177\u4f53\u542b\u4e49\u662f\u4ec0\u4e48\uff1f<\/h1>\n

\u5728\u6587\u7ae0\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929\u5c31\u6574\u7406\u5206\u4eab\u300aJava \u4e2d\u7684\u7c7b\u578b\u53c2\u6570\u7684\u5177\u4f53\u542b\u4e49\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n

Java \u7c7b\u578b\u53c2\u6570\u662f\u6cdb\u578b\u4e2d\u7528\u4e8e\u5360\u4f4d\u7b26\u7684\u7c7b\u578b\uff0c\u5141\u8bb8\u521b\u5efa\u4e0d\u4f9d\u8d56\u4e8e\u7279\u5b9a\u7c7b\u578b\u7684\u53ef\u91cd\u7528\u4ee3\u7801\u3002\u8bed\u6cd5\uff1a\u5c16\u62ec\u53f7\u4e2d\u7684\u5927\u5199\u5b57\u6bcd\uff0c\u7d27\u8ddf\u7c7b\/\u63a5\u53e3\/\u65b9\u6cd5\u540d\u3002\u4f7f\u7528\uff1a\u50cf\u5e38\u89c4\u7c7b\u578b\u4e00\u6837\u4f7f\u7528\u7c7b\u578b\u53c2\u6570\u3002\u7f16\u8bd1\u65f6\uff1a\u7c7b\u578b\u53c2\u6570\u88ab\u64e6\u9664\u4e3a\u539f\u59cb\u7c7b\u578b\u3002\u5b9e\u6218\u6848\u4f8b\uff1a\u53ef\u91cd\u7528\u6700\u5c0f\u5806\uff0c\u7c7b\u578b\u53c2\u6570 T \u5141\u8bb8\u4f7f\u7528\u5404\u79cd\u7c7b\u578b\u7684\u6700\u5c0f\u5806\u3002<\/p>\n

<\/p>\n

Java \u4e2d\u7c7b\u578b\u53c2\u6570\u7684\u5177\u4f53\u542b\u4e49<\/strong><\/p>\n

\u7c7b\u578b\u53c2\u6570\u662f Java \u6cdb\u578b\u7684\u6838\u5fc3\u6982\u5ff5\u4e4b\u4e00\u3002\u5b83\u4eec\u5141\u8bb8\u4f60\u5728\u4e0d\u4fee\u6539\u5e95\u5c42\u6570\u636e\u7ed3\u6784\u7684\u60c5\u51b5\u4e0b\u7f16\u5199\u4ee3\u7801\uff0c\u4ece\u800c\u652f\u6301\u5404\u79cd\u7c7b\u578b\u3002<\/p>\n

\u8bed\u6cd5<\/strong><\/p>\n

\u7c7b\u578b\u53c2\u6570\u4f7f\u7528\u5c16\u62ec\u53f7 <> \u58f0\u660e\uff0c\u653e\u5728\u7c7b\u3001\u63a5\u53e3\u6216\u65b9\u6cd5\u7684\u540d\u79f0\u4e4b\u540e\uff1a<\/p>\n

class ArrayList<E> {\n    \/\/ ...\n}<\/pre>\n
\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cE<\/code> \u662f\u7c7b\u578b\u53c2\u6570\uff0c\u5b83\u8868\u793a ArrayList \u5c06\u5b58\u50a8\u7684\u5143\u7d20\u7c7b\u578b\u3002<\/p>\n
\u4f7f\u7528\u7c7b\u578b\u53c2\u6570<\/strong><\/p>\n
\u4f60\u53ef\u4ee5\u50cf\u4f7f\u7528\u5e38\u89c4\u7c7b\u578b\u4e00\u6837\uff0c\u5728\u4f60\u7684\u4ee3\u7801\u4e2d\u4f7f\u7528\u7c7b\u578b\u53c2\u6570\uff1a<\/p>\n
ArrayList<String> names = new ArrayList<>();\nnames.add(\"Alice\");\nString name = names.get(0);<\/pre>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06 E<\/code> \u7c7b\u578b\u53c2\u6570\u660e\u786e\u6307\u5b9a\u4e3a String<\/code>\uff0c\u4ece\u800c\u521b\u5efa\u4e86\u4e00\u4e2a\u53ea\u5305\u542b\u5b57\u7b26\u4e32\u7684 ArrayList\u3002<\/p>\n
\u6cdb\u578b\u7c7b\u578b\u64e6\u9664<\/strong><\/p>\n
\u7f16\u8bd1\u65f6\uff0c\u7c7b\u578b\u53c2\u6570\u4f1a\u88ab\u64e6\u9664\uff0c\u5373\u66ff\u6362\u4e3a\u5b83\u4eec\u7684\u539f\u59cb\u7c7b\u578b\u3002\u8fd9\u610f\u5473\u7740\u5728\u8fd0\u884c\u65f6\uff0cArrayList \u5c06\u662f\u4e00\u4e2a\u666e\u901a\u7684 ArrayList\uff0c\u4e0d\u5305\u542b\u7c7b\u578b\u4fe1\u606f\u3002<\/p>\n
\u5b9e\u6218\u6848\u4f8b\uff1a\u53ef\u91cd\u7528\u6700\u5c0f\u5806\u5b9e\u73b0<\/strong><\/p>\n
\u4e3a\u4e86\u5c55\u793a\u7c7b\u578b\u53c2\u6570\u7684\u5b9e\u9645\u5e94\u7528\uff0c\u8ba9\u6211\u4eec\u5b9e\u73b0\u4e00\u4e2a\u53ef\u91cd\u7528\u7684\u6700\u5c0f\u5806\u6570\u636e\u7ed3\u6784\uff1a<\/p>\n
import java.util.Comparator;\n\npublic class MinHeap<T> {\n    private final Comparator<T> comparator;\n    private final ArrayList<T> elements;\n\n    public MinHeap(Comparator<T> comparator) {\n        this.comparator = comparator;\n        this.elements = new ArrayList<>();\n    }\n\n    \/\/ \u5176\u4ed6 MinHeap \u64cd\u4f5c...\n}<\/pre>\n
\u5728\u8fd9\u4e2a\u5b9e\u73b0\u4e2d\uff0cT<\/code> \u7c7b\u578b\u53c2\u6570\u5141\u8bb8\u6211\u4eec\u5c06 MinHeap \u7528\u4f5c\u5404\u79cd\u53ef\u6bd4\u8f83\u7c7b\u578b\u7684\u6700\u5c0f\u5806\uff0c\u4f8b\u5982\uff1a<\/p>\n
MinHeap<String> stringHeap = new MinHeap<>(Comparator.comparing(String::compareToIgnoreCase));\nMinHeap<Integer> integerHeap = new MinHeap<>(Comparator.comparing(Integer::compareTo));<\/pre>\n
\u4eca\u5929\u5173\u4e8e\u300aJava \u4e2d\u7684\u7c7b\u578b\u53c2\u6570\u7684\u5177\u4f53\u542b\u4e49\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
Java \u4e2d\u7684\u7c7b\u578b\u53c2\u6570\u7684\u5177\u4f53\u542b\u4e49...<\/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-203012","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203012","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=203012"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203012\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203012"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203012"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}