{"id":36591,"date":"2024-11-26T15:57:38","date_gmt":"2024-11-26T07:57:38","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36591\/"},"modified":"2024-11-26T15:57:38","modified_gmt":"2024-11-26T07:57:38","slug":"java%e4%b8%ad%e6%95%b0%e7%bb%84%e7%9a%84%e6%96%b9%e6%b3%95%e6%9c%89%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36591\/","title":{"rendered":"Java\u4e2d\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u54ea\u4e9b"},"content":{"rendered":"<blockquote><p>\n  java\u6570\u7ec4\u63d0\u4f9b\u4e86\u8bbf\u95ee\u5143\u7d20\u3001\u590d\u5236\u3001\u6392\u5e8f\u548c\u64cd\u4f5c\u6570\u7ec4\u7684\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62eclength()\u3001get()\u3001clone()\u3001sort()\u548cfill()\u7b49\u3002\u8fd9\u4e9b\u65b9\u6cd5\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u8f7b\u677e\u9ad8\u6548\u5730\u5904\u7406\u6570\u7ec4\u6570\u636e\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111210544834052.jpg\" class=\"aligncenter\" title=\"Java\u4e2d\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u54ea\u4e9b\u63d2\u56fe\" alt=\"Java\u4e2d\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u54ea\u4e9b\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u6570\u7ec4\u65b9\u6cd5<\/strong><\/p>\n<p>Java\u6570\u7ec4\u63d0\u4f9b\u4e86\u591a\u79cd\u6709\u7528\u7684\u65b9\u6cd5\uff0c\u53ef\u7528\u4e8e\u64cd\u4f5c\u548c\u5904\u7406\u6570\u7ec4\u4e2d\u7684\u6570\u636e\u3002\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n<p><strong>\u8bbf\u95ee\u5143\u7d20<\/strong><\/p>\n<ul>\n<li> <strong>length()<\/strong>\uff1a\u8fd4\u56de\u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/li>\n<li> <strong>get()<\/strong>\uff1a\u83b7\u53d6\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u503c\u3002<\/li>\n<li> <strong>set()<\/strong>\uff1a\u8bbe\u7f6e\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u503c\u3002<\/li>\n<\/ul>\n<p><strong>\u590d\u5236\u548c\u6392\u5e8f<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li> <strong>clone()<\/strong>\uff1a\u521b\u5efa\u6570\u7ec4\u7684\u526f\u672c\u3002<\/li>\n<li> <strong>equals()<\/strong>\uff1a\u6bd4\u8f83\u4e24\u4e2a\u6570\u7ec4\u662f\u5426\u76f8\u7b49\u3002<\/li>\n<li> <strong>sort()<\/strong>\uff1a\u6309\u5347\u5e8f\u6216\u964d\u5e8f\u5bf9\u6570\u7ec4\u5143\u7d20\u8fdb\u884c\u6392\u5e8f\u3002<\/li>\n<\/ul>\n<p><strong>\u64cd\u4f5c<\/strong><\/p>\n<ul>\n<li> <strong>fill()<\/strong>\uff1a\u7528\u6307\u5b9a\u503c\u586b\u5145\u6574\u4e2a\u6570\u7ec4\u6216\u5176\u90e8\u5206\u3002<\/li>\n<li> <strong>copyof()<\/strong>\uff1a\u521b\u5efa\u6307\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4\uff0c\u5e76\u4ece\u539f\u59cb\u6570\u7ec4\u4e2d\u590d\u5236\u5143\u7d20\u3002<\/li>\n<li> <strong>concat()<\/strong>\uff1a\u8fde\u63a5\u4e24\u4e2a\u6216\u591a\u4e2a\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p><strong>\u5176\u4ed6<\/strong><\/p>\n<ul>\n<li> <strong>hashCode()<\/strong>\uff1a\u8fd4\u56de\u6570\u7ec4\u7684\u54c8\u5e0c\u7801\u3002<\/li>\n<li> <strong>toString()<\/strong>\uff1a\u8fd4\u56de\u6570\u7ec4\u5143\u7d20\u503c\u7684\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\nint length = numbers.length;\n\n\/\/ \u83b7\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c\nint firstElement = numbers[0];\n\n\/\/ \u8bbe\u7f6e\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u503c\nnumbers[4] = 6;\n\n\/\/ \u590d\u5236\u6570\u7ec4\nint[] copy = numbers.clone();\n\n\/\/ \u6309\u5347\u5e8f\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\nArrays.sort(numbers);\n\n\/\/ \u8fde\u63a5\u4e24\u4e2a\u6570\u7ec4\nint[] combined = Arrays.concat(numbers, copy);\n\n\/\/ \u6253\u5370\u6570\u7ec4\nSystem.out.println(Arrays.toString(combined));<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJava\u4e2d\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u54ea\u4e9b\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>java\u6570\u7ec4\u63d0\u4f9b\u4e86\u8bbf\u95ee\u5143\u7d20\u3001\u590d\u5236\u3001\u6392\u5e8f\u548c\u64cd\u4f5c\u6570\u7ec4\u7684\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62eclength()\u3001get()\u3001clone()\u3001sort()\u548cfill()\u7b49\u3002\u8fd9\u4e9b\u65b9\u6cd5\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u8f7b\u677e\u9ad8\u6548\u5730\u5904\u7406\u6570\u7ec4\u6570\u636e\u3002 Java\u6570\u7ec4\u65b9\u6cd5 Java\u6570\u7ec4\u63d0\u4f9b\u4e86\u591a\u79cd\u6709\u7528\u7684\u65b9\u6cd5\uff0c\u53ef\u7528\u4e8e\u64cd\u4f5c\u548c\u5904\u7406\u6570\u7ec4\u4e2d\u7684\u6570\u636e\u3002\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\uff1a \u8bbf\u95ee\u5143\u7d20 length()\uff1a\u8fd4\u56de\u6570\u7ec4\u7684\u957f\u5ea6\u3002 get()\uff1a\u83b7\u53d6\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u503c\u3002 set()\uff1a\u8bbe\u7f6e\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u503c\u3002 \u590d\u5236\u548c\u6392\u5e8f \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b clone()\uff1a\u521b\u5efa\u6570\u7ec4\u7684\u526f\u672c\u3002 equals()\uff1a\u6bd4\u8f83\u4e24\u4e2a\u6570\u7ec4\u662f\u5426\u76f8\u7b49\u3002 sort()\uff1a\u6309\u5347\u5e8f\u6216\u964d\u5e8f\u5bf9\u6570\u7ec4\u5143\u7d20\u8fdb\u884c\u6392\u5e8f\u3002 \u64cd\u4f5c fill()\uff1a\u7528\u6307\u5b9a\u503c\u586b\u5145\u6574\u4e2a\u6570\u7ec4\u6216\u5176\u90e8\u5206\u3002 copyof()\uff1a\u521b\u5efa\u6307\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4\uff0c\u5e76\u4ece\u539f\u59cb\u6570\u7ec4\u4e2d\u590d\u5236\u5143\u7d20\u3002 concat()\uff1a\u8fde\u63a5\u4e24\u4e2a\u6216\u591a\u4e2a\u6570\u7ec4\u3002 \u5176\u4ed6 hashCode()\uff1a\u8fd4\u56de\u6570\u7ec4\u7684\u54c8\u5e0c\u7801\u3002 toString()\uff1a\u8fd4\u56de\u6570\u7ec4\u5143\u7d20\u503c\u7684\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\u3002 \u793a\u4f8b int[] numbers = {1, 2, 3, 4, 5}; \/\/ \u83b7\u53d6\u6570\u7ec4\u957f\u5ea6 int length = numbers.length; \/\/ \u83b7\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c int firstElement = numbers[0]; \/\/ \u8bbe\u7f6e\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u503c numbers[4] = 6; \/\/ \u590d\u5236\u6570\u7ec4 int[] copy = numbers.clone(); \/\/ \u6309\u5347\u5e8f\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f Arrays.sort(numbers); \/\/ [&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-36591","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36591","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=36591"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36591\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}