{"id":64620,"date":"2025-05-03T09:10:52","date_gmt":"2025-05-03T01:10:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64620\/"},"modified":"2025-05-03T09:10:52","modified_gmt":"2025-05-03T01:10:52","slug":"java-%e6%9d%a1%e4%bb%b6%e4%b8%8b%e5%88%9b%e5%bb%ba%e7%9a%84%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%8e%b7%e5%8f%96-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64620\/","title":{"rendered":"java \u6761\u4ef6\u4e0b\u521b\u5efa\u7684\u6570\u7ec4\u600e\u4e48\u83b7\u53d6"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u53ef\u4ee5\u83b7\u53d6\u6570\u7ec4\u7684\u51e0\u79cd\u65b9\u5f0f\u5305\u62ec\uff1a1. \u901a\u8fc7\u6570\u7ec4\u53d8\u91cf\u76f4\u63a5\u83b7\u53d6\uff1b2. \u901a\u8fc7 array.get() \u65b9\u6cd5\u83b7\u53d6\u7279\u5b9a\u5143\u7d20\uff1b3. \u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u83b7\u53d6\u6bcf\u4e2a\u5143\u7d20\uff1b4. \u901a\u8fc7 arrays.copyof() \u65b9\u6cd5\u83b7\u53d6\u6570\u7ec4\u526f\u672c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110403574247965.jpg\" class=\"aligncenter\" title=\"java \u6761\u4ef6\u4e0b\u521b\u5efa\u7684\u6570\u7ec4\u600e\u4e48\u83b7\u53d6\u63d2\u56fe\" alt=\"java \u6761\u4ef6\u4e0b\u521b\u5efa\u7684\u6570\u7ec4\u600e\u4e48\u83b7\u53d6\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u83b7\u53d6 Java \u4e2d\u521b\u5efa\u7684\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u83b7\u53d6\u521b\u5efa\u7684\u6570\u7ec4\uff1a<\/p>\n<p><strong>1. \u6570\u7ec4\u53d8\u91cf<\/strong><\/p>\n<p>\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u901a\u8fc7\u6570\u7ec4\u53d8\u91cf\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = new int[5];\n\/\/ \u901a\u8fc7\u6570\u7ec4\u53d8\u91cf\u83b7\u53d6\u6570\u7ec4\nSystem.out.println(numbers);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. Array.get() \u65b9\u6cd5<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 Array.get() \u65b9\u6cd5\u83b7\u53d6\u7279\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u3002<\/p>\n<pre>int[] numbers = new int[5];\n\/\/ \u901a\u8fc7 Array.get() \u65b9\u6cd5\u83b7\u53d6\u5143\u7d20\nSystem.out.println(Array.get(numbers, 2));<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u5faa\u73af<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u83b7\u53d6\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n<pre>int[] numbers = new int[5];\n\/\/ \u4f7f\u7528\u5faa\u73af\u83b7\u53d6\u5143\u7d20\nfor (int number : numbers) {\n    System.out.println(number);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. Arrays.copyOf() \u65b9\u6cd5<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7 Arrays.copyOf() \u65b9\u6cd5\u83b7\u53d6\u6570\u7ec4\u7684\u526f\u672c\u3002<\/p>\n<pre>int[] numbers = new int[5];\n\/\/ \u901a\u8fc7 Arrays.copyOf() \u65b9\u6cd5\u83b7\u53d6\u526f\u672c\nint[] numbersCopy = Arrays.copyOf(numbers, 3);\nSystem.out.println(numbersCopy);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava \u6761\u4ef6\u4e0b\u521b\u5efa\u7684\u6570\u7ec4\u600e\u4e48\u83b7\u53d6\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>\u5728 java \u4e2d\uff0c\u53ef\u4ee5\u83b7\u53d6\u6570\u7ec4\u7684\u51e0\u79cd\u65b9\u5f0f\u5305\u62ec\uff1a1. \u901a\u8fc7\u6570\u7ec4\u53d8\u91cf\u76f4\u63a5\u83b7\u53d6\uff1b2. \u901a\u8fc7 array.get() \u65b9\u6cd5\u83b7\u53d6\u7279\u5b9a\u5143\u7d20\uff1b3. \u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u83b7\u53d6\u6bcf\u4e2a\u5143\u7d20\uff1b4. \u901a\u8fc7 arrays.copyof() \u65b9\u6cd5\u83b7\u53d6\u6570\u7ec4\u526f\u672c\u3002 \u5982\u4f55\u83b7\u53d6 Java \u4e2d\u521b\u5efa\u7684\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u83b7\u53d6\u521b\u5efa\u7684\u6570\u7ec4\uff1a 1. \u6570\u7ec4\u53d8\u91cf \u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u901a\u8fc7\u6570\u7ec4\u53d8\u91cf\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = new int[5]; \/\/ \u901a\u8fc7\u6570\u7ec4\u53d8\u91cf\u83b7\u53d6\u6570\u7ec4 System.out.println(numbers); \u767b\u5f55\u540e\u590d\u5236 2. Array.get() \u65b9\u6cd5 \u53ef\u4ee5\u4f7f\u7528 Array.get() \u65b9\u6cd5\u83b7\u53d6\u7279\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u3002 int[] numbers = new int[5]; \/\/ \u901a\u8fc7 Array.get() \u65b9\u6cd5\u83b7\u53d6\u5143\u7d20 System.out.println(Array.get(numbers, 2)); \u767b\u5f55\u540e\u590d\u5236 3. \u5faa\u73af \u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u83b7\u53d6\u6bcf\u4e2a\u5143\u7d20\u3002 int[] numbers = new [&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-64620","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64620","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=64620"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64620\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64620"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}