{"id":64664,"date":"2025-05-03T15:13:43","date_gmt":"2025-05-03T07:13:43","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64664\/"},"modified":"2025-05-03T15:13:43","modified_gmt":"2025-05-03T07:13:43","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e7%bb%99%e6%95%b0%e7%bb%84%e9%87%8c%e9%9d%a2%e5%8a%a0%e4%b8%9c%e8%a5%bf-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64664\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u7ed9\u6570\u7ec4\u91cc\u9762\u52a0\u4e1c\u897f"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u5411\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u7684\u65b9\u6cd5\u6709\uff1a\u76f4\u63a5\u8d4b\u503c\u3001arrays.fill()\u3001arraylist\u3001linkedlist\u3002\u76f4\u63a5\u8d4b\u503c\u9002\u7528\u4e8e\u57fa\u672c\u7c7b\u578b\u548c\u5df2\u521b\u5efa\u7684\u5bf9\u8c61\uff1barrays.fill() \u7528\u4e8e\u6279\u91cf\u8d4b\u503c\uff0c\u652f\u6301\u8303\u56f4\u9009\u62e9\uff1barraylist \u548c linkedlist \u63d0\u4f9b\u4e86\u9488\u5bf9\u53ef\u53d8\u957f\u5ea6\u6570\u7ec4\u7684\u6dfb\u52a0\u3001\u5220\u9664\u7b49\u64cd\u4f5c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110406035090908.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u600e\u4e48\u7ed9\u6570\u7ec4\u91cc\u9762\u52a0\u4e1c\u897f\u63d2\u56fe\" alt=\"java\u4e2d\u600e\u4e48\u7ed9\u6570\u7ec4\u91cc\u9762\u52a0\u4e1c\u897f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u5411\u6570\u7ec4\u4e2d\u6dfb\u52a0\u5143\u7d20<\/strong><\/p>\n<p><strong>\u76f4\u63a5\u8d4b\u503c\uff1a<\/strong><\/p>\n<ul>\n<li>\u5bf9\u4e8e\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u4e0b\u6807\u8d4b\u503c\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n<pre>int[] myArray = new int[5];\nmyArray[2] = 10; \/\/ \u5c06 10 \u8d4b\u503c\u7ed9 myArray[2]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ul>\n<li>\u5bf9\u4e8e\u5bf9\u8c61\u6570\u7ec4\uff0c\u9700\u8981\u5148\u521b\u5efa\u5bf9\u8c61\uff0c\u7136\u540e\u5c06\u5176\u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n<pre>String[] myArray = new String[5];\nmyArray[2] = \"Hello World\"; \/\/ \u5c06 \"Hello World\" \u8d4b\u503c\u7ed9 myArray[2]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 Arrays.fill() \u65b9\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u8be5\u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u8d4b\u503c\u4e3a\u6307\u5b9a\u503c\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n<pre>int[] myArray = new int[5];\nArrays.fill(myArray, 10); \/\/ \u5c06 myArray \u4e2d\u6240\u6709\u5143\u7d20\u8d4b\u503c\u4e3a 10<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ul>\n<li>\u4e5f\u53ef\u4ee5\u6307\u5b9a\u8981\u586b\u5145\u7684\u5143\u7d20\u8303\u56f4\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n<pre>Arrays.fill(myArray, 1, 3, 20); \/\/ \u5c06 myArray[1] \u5230 myArray[2] \u8d4b\u503c\u4e3a 20<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 ArrayList\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>ArrayList \u662f Java \u4e2d\u53ef\u53d8\u957f\u5ea6\u7684\u6570\u7ec4\u3002\u53ef\u4ee5\u4f7f\u7528 add() \u65b9\u6cd5\u5411\u5176\u4e2d\u6dfb\u52a0\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n<pre>ArrayList&lt;Integer&gt; myList = new ArrayList&lt;&gt;();\nmyList.add(10); \/\/ \u6dfb\u52a0\u5143\u7d20 10 \u5230 myList \u4e2d<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ul>\n<li>ArrayList \u8fd8\u63d0\u4f9b\u4e86\u5176\u4ed6\u65b9\u6cd5\uff0c\u5982 remove() \u548c clear()\uff0c\u7528\u4e8e\u7ba1\u7406\u6570\u7ec4\u4e2d\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p><strong>\u4f7f\u7528 LinkedList\uff1a<\/strong><\/p>\n<ul>\n<li>LinkedList \u4e5f\u662f Java \u4e2d\u53ef\u53d8\u957f\u5ea6\u7684\u6570\u7ec4\u3002\u5b83\u4f7f\u7528\u53cc\u5411\u94fe\u8868\u5b9e\u73b0\uff0c\u53ef\u4ee5\u66f4\u5feb\u5730\u5728\u5934\u90e8\u6216\u5c3e\u90e8\u6dfb\u52a0\u6216\u5220\u9664\u5143\u7d20\u3002\u53ef\u4ee5\u4f7f\u7528 add() \u65b9\u6cd5\u5411\u5176\u4e2d\u6dfb\u52a0\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n<pre>LinkedList&lt;String&gt; myList = new LinkedList&lt;&gt;();\nmyList.add(\"Hello World\"); \/\/ \u6dfb\u52a0\u5143\u7d20 \"Hello World\" \u5230 myList \u4e2d<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u4fee\u6539\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u7684\u5143\u7d20\u4e0d\u4f1a\u6539\u53d8\u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/li>\n<li>\u4fee\u6539\u5bf9\u8c61\u6570\u7ec4\u7684\u5143\u7d20\u53ef\u80fd\u4f1a\u6539\u53d8\u6570\u7ec4\u7684\u5b9e\u9645\u957f\u5ea6\u3002<\/li>\n<li>ArrayList \u548c LinkedList \u7684\u957f\u5ea6\u4f1a\u6839\u636e\u6dfb\u52a0\u548c\u5220\u9664\u7684\u64cd\u4f5c\u52a8\u6001\u8c03\u6574\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u7ed9\u6570\u7ec4\u91cc\u9762\u52a0\u4e1c\u897f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u4e2d\u5411\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u7684\u65b9\u6cd5\u6709\uff1a\u76f4\u63a5\u8d4b\u503c\u3001arrays.fill()\u3001arraylist\u3001linkedlist\u3002\u76f4\u63a5\u8d4b\u503c\u9002\u7528\u4e8e\u57fa\u672c\u7c7b\u578b\u548c\u5df2\u521b\u5efa\u7684\u5bf9\u8c61\uff1barrays.fill() \u7528\u4e8e\u6279\u91cf\u8d4b\u503c\uff0c\u652f\u6301\u8303\u56f4\u9009\u62e9\uff1barraylist \u548c linkedlist \u63d0\u4f9b\u4e86\u9488\u5bf9\u53ef\u53d8\u957f\u5ea6\u6570\u7ec4\u7684\u6dfb\u52a0\u3001\u5220\u9664\u7b49\u64cd\u4f5c\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5411\u6570\u7ec4\u4e2d\u6dfb\u52a0\u5143\u7d20 \u76f4\u63a5\u8d4b\u503c\uff1a \u5bf9\u4e8e\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u4e0b\u6807\u8d4b\u503c\u3002\u4f8b\u5982\uff1a int[] myArray = new int[5]; myArray[2] = 10; \/\/ \u5c06 10 \u8d4b\u503c\u7ed9 myArray[2] \u767b\u5f55\u540e\u590d\u5236 \u5bf9\u4e8e\u5bf9\u8c61\u6570\u7ec4\uff0c\u9700\u8981\u5148\u521b\u5efa\u5bf9\u8c61\uff0c\u7136\u540e\u5c06\u5176\u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\u3002\u4f8b\u5982\uff1a String[] myArray = new String[5]; myArray[2] = &#8220;Hello World&#8221;; \/\/ \u5c06 &#8220;Hello World&#8221; \u8d4b\u503c\u7ed9 myArray[2] \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 Arrays.fill() \u65b9\u6cd5\uff1a \u8be5\u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u8d4b\u503c\u4e3a\u6307\u5b9a\u503c\u3002\u4f8b\u5982\uff1a int[] myArray = new int[5]; Arrays.fill(myArray, 10); \/\/ \u5c06 [&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-64664","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64664","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=64664"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64664\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}