{"id":40317,"date":"2024-11-26T15:19:15","date_gmt":"2024-11-26T07:19:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40317\/"},"modified":"2024-11-26T15:19:15","modified_gmt":"2024-11-26T07:19:15","slug":"java%e4%b8%ad%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%8e%bb%e6%8e%89%e4%b8%80%e4%b8%aa%e5%ad%97%e7%ac%a6%e4%b8%b2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40317\/","title":{"rendered":"java\u4e2d\u6570\u7ec4\u600e\u4e48\u53bb\u6389\u4e00\u4e2a\u5b57\u7b26\u4e32"},"content":{"rendered":"<blockquote><p>\n  \u4ece java \u6570\u7ec4\u4e2d\u5220\u9664\u5b57\u7b26\u4e32\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 arrays.copyofrange() \u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u4f7f\u7528 arraylist\uff0c\u6216\u4f7f\u7528\u81ea\u5b9a\u4e49\u5faa\u73af\u9010\u4e2a\u6bd4\u8f83\u5143\u7d20\u5e76\u8df3\u8fc7\u8981\u5220\u9664\u7684\u5b57\u7b26\u4e32\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/18\/2024111817272692185.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u6570\u7ec4\u600e\u4e48\u53bb\u6389\u4e00\u4e2a\u5b57\u7b26\u4e32\u63d2\u56fe\" alt=\"java\u4e2d\u6570\u7ec4\u600e\u4e48\u53bb\u6389\u4e00\u4e2a\u5b57\u7b26\u4e32\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4ece Java \u6570\u7ec4\u4e2d\u5220\u9664\u5b57\u7b26\u4e32<\/strong><\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u4ece Java \u6570\u7ec4\u4e2d\u5220\u9664\u5b57\u7b26\u4e32\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 Arrays.copyOfRange()<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u6b64\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u8be5\u6570\u7ec4\u5305\u542b\u539f\u59cb\u6570\u7ec4\u4e2d\u6307\u5b9a\u8303\u56f4\u5185\u7684\u5143\u7d20\u3002\u901a\u8fc7\u6307\u5b9a\u8981\u8df3\u8fc7\u7684\u5143\u7d20\u7684\u7d22\u5f15\u8303\u56f4\uff0c\u53ef\u4ee5\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u5b57\u7b26\u4e32\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>String[] originalArray = {\"apple\", \"banana\", \"cherry\", \"dog\", \"elephant\"};\nString[] newArray = Arrays.copyOfRange(originalArray, 0, 3); \/\/ \u8df3\u8fc7 \"dog\" \u548c \"elephant\"<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 ArrayList<\/strong><\/p>\n<p>ArrayList \u662f\u4e00\u4e2a\u52a8\u6001\u6570\u7ec4\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u3002\u53ef\u4ee5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a ArrayList\uff0c\u7136\u540e\u4f7f\u7528 remove() \u65b9\u6cd5\u5220\u9664\u5b57\u7b26\u4e32\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>String[] originalArray = {\"apple\", \"banana\", \"cherry\", \"dog\", \"elephant\"};\nList&lt;String&gt; arrayList = new ArrayList&lt;&gt;(Arrays.asList(originalArray));\narrayList.remove(\"dog\");\nString[] newArray = arrayList.toArray(new String[0]);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528\u81ea\u5b9a\u4e49\u5faa\u73af<\/strong><\/p>\n<p>\u53ef\u4ee5\u904d\u5386\u6570\u7ec4\uff0c\u5e76\u5728\u9047\u5230\u8981\u5220\u9664\u7684\u5b57\u7b26\u4e32\u65f6\u8df3\u8fc7\u5b83\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>String[] originalArray = {\"apple\", \"banana\", \"cherry\", \"dog\", \"elephant\"};\nString[] newArray = new String[originalArray.length - 1];\nint index = 0;\nfor (String str : originalArray) {\n    if (!str.equals(\"dog\")) {\n        newArray[index++] = str;\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6570\u7ec4\u600e\u4e48\u53bb\u6389\u4e00\u4e2a\u5b57\u7b26\u4e32\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>\u4ece java \u6570\u7ec4\u4e2d\u5220\u9664\u5b57\u7b26\u4e32\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 arrays.copyofrange() \u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u4f7f\u7528 arraylist\uff0c\u6216\u4f7f\u7528\u81ea\u5b9a\u4e49\u5faa\u73af\u9010\u4e2a\u6bd4\u8f83\u5143\u7d20\u5e76\u8df3\u8fc7\u8981\u5220\u9664\u7684\u5b57\u7b26\u4e32\u3002 \u5982\u4f55\u4ece Java \u6570\u7ec4\u4e2d\u5220\u9664\u5b57\u7b26\u4e32 \u89e3\u51b3\u65b9\u6848\uff1a \u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u4ece Java \u6570\u7ec4\u4e2d\u5220\u9664\u5b57\u7b26\u4e32\uff1a 1. \u4f7f\u7528 Arrays.copyOfRange() \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6b64\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u8be5\u6570\u7ec4\u5305\u542b\u539f\u59cb\u6570\u7ec4\u4e2d\u6307\u5b9a\u8303\u56f4\u5185\u7684\u5143\u7d20\u3002\u901a\u8fc7\u6307\u5b9a\u8981\u8df3\u8fc7\u7684\u5143\u7d20\u7684\u7d22\u5f15\u8303\u56f4\uff0c\u53ef\u4ee5\u4ece\u6570\u7ec4\u4e2d\u5220\u9664\u5b57\u7b26\u4e32\u3002 \u793a\u4f8b\uff1a String[] originalArray = {&#8220;apple&#8221;, &#8220;banana&#8221;, &#8220;cherry&#8221;, &#8220;dog&#8221;, &#8220;elephant&#8221;}; String[] newArray = Arrays.copyOfRange(originalArray, 0, 3); \/\/ \u8df3\u8fc7 &#8220;dog&#8221; \u548c &#8220;elephant&#8221; \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 ArrayList ArrayList \u662f\u4e00\u4e2a\u52a8\u6001\u6570\u7ec4\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u3002\u53ef\u4ee5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a ArrayList\uff0c\u7136\u540e\u4f7f\u7528 remove() \u65b9\u6cd5\u5220\u9664\u5b57\u7b26\u4e32\u3002 \u793a\u4f8b\uff1a String[] originalArray = {&#8220;apple&#8221;, &#8220;banana&#8221;, &#8220;cherry&#8221;, &#8220;dog&#8221;, [&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-40317","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40317","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=40317"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40317\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=40317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=40317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=40317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}