{"id":66858,"date":"2025-05-03T12:10:13","date_gmt":"2025-05-03T04:10:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66858\/"},"modified":"2025-05-03T12:10:13","modified_gmt":"2025-05-03T04:10:13","slug":"java%e6%80%8e%e4%b9%88%e8%bf%94%e5%9b%9e%e8%be%93%e5%87%ba%e4%b8%80%e4%b8%aa%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66858\/","title":{"rendered":"java\u600e\u4e48\u8fd4\u56de\u8f93\u51fa\u4e00\u4e2a\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u4e09\u79cd\u8fd4\u56de\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a1. \u521b\u5efa\u5e76\u8fd4\u56de\u65b0\u6570\u7ec4\uff1b2. \u8fd4\u56de\u73b0\u6709\u6570\u7ec4\uff1b3. \u8fd4\u56de\u6570\u7ec4\u526f\u672c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111712484648902.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u8fd4\u56de\u8f93\u51fa\u4e00\u4e2a\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u8fd4\u56de\u8f93\u51fa\u4e00\u4e2a\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4f7f\u7528 Java \u8fd4\u56de\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4\uff1a<\/p>\n<p><strong>\u521b\u5efa\u5e76\u8fd4\u56de\u4e00\u4e2a\u65b0\u6570\u7ec4<\/strong><\/p>\n<pre>public int[] getArray() {\n    int[] array = new int[]{1, 2, 3};\n    return array;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8fd4\u56de\u73b0\u6709\u6570\u7ec4<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>public int[] getArray() {\n    int[] array = {1, 2, 3};\n    return array;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8fd4\u56de\u6570\u7ec4\u7684\u526f\u672c<\/strong><\/p>\n<pre>public int[] getArrayCopy() {\n    int[] originalArray = {1, 2, 3};\n    int[] copyArray = Arrays.copyOf(originalArray, originalArray.length);\n    return copyArray;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u8fd4\u56de\u6570\u7ec4\u65f6\uff0c\u5fc5\u987b\u6307\u5b9a\u6570\u7ec4\u7684\u7c7b\u578b\uff0c\u4f8b\u5982 int[]\u3002<\/li>\n<li>\u907f\u514d\u8fd4\u56de\u7a7a\u6570\u7ec4\uff0c\u56e0\u4e3a\u5b83\u53ef\u80fd\u4f1a\u5bfc\u81f4 NullPointerException\u3002<\/li>\n<li>\u5982\u679c\u9700\u8981\u8fd4\u56de\u4e00\u4e2a\u53ef\u53d8\u6570\u7ec4\uff0c\u8bf7\u4f7f\u7528 ArrayList \u6216 LinkedList \u7b49\u96c6\u5408\u7c7b\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8fd4\u56de\u8f93\u51fa\u4e00\u4e2a\u6570\u7ec4\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>\u4e09\u79cd\u8fd4\u56de\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a1. \u521b\u5efa\u5e76\u8fd4\u56de\u65b0\u6570\u7ec4\uff1b2. \u8fd4\u56de\u73b0\u6709\u6570\u7ec4\uff1b3. \u8fd4\u56de\u6570\u7ec4\u526f\u672c\u3002 \u4f7f\u7528 Java \u8fd4\u56de\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4\uff1a \u521b\u5efa\u5e76\u8fd4\u56de\u4e00\u4e2a\u65b0\u6570\u7ec4 public int[] getArray() { int[] array = new int[]{1, 2, 3}; return array; } \u767b\u5f55\u540e\u590d\u5236 \u8fd4\u56de\u73b0\u6709\u6570\u7ec4 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b public int[] getArray() { int[] array = {1, 2, 3}; return array; } \u767b\u5f55\u540e\u590d\u5236 \u8fd4\u56de\u6570\u7ec4\u7684\u526f\u672c public int[] getArrayCopy() { int[] originalArray = {1, 2, 3}; int[] copyArray [&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-66858","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66858","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=66858"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66858\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}