{"id":65234,"date":"2025-05-03T14:16:07","date_gmt":"2025-05-03T06:16:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65234\/"},"modified":"2025-05-03T14:16:07","modified_gmt":"2025-05-03T06:16:07","slug":"java%e6%80%8e%e4%b9%88%e6%8b%bf%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65234\/","title":{"rendered":"java\u600e\u4e48\u62ff\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u8981\u83b7\u53d6 java \u6570\u7ec4\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\uff0c\u4f7f\u7528\u4e0b\u6807\u8bbf\u95ee\u5143\u7d20\uff0c\u6253\u5370\u6570\u7ec4\uff0c\u6216\u514b\u9686\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111213451628441.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u62ff\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u62ff\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u83b7\u53d6 Java \u6570\u7ec4<\/strong><\/p>\n<p>\u8981\u83b7\u53d6 Java \u6570\u7ec4\uff0c\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u521b\u5efa\u6570\u7ec4<\/strong><\/p>\n<p>\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] myArray = new int[size];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0cmyArray \u662f\u6570\u7ec4\u7684\u540d\u79f0\uff0csize \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/p>\n<p><strong>2. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u6765\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u4e0b\u6807\u4ece 0 \u5f00\u59cb\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>int firstElement = myArray[0];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u6253\u5370\u6570\u7ec4<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 Arrays.toString() \u65b9\u6cd5\u6253\u5370\u6570\u7ec4\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>System.out.println(Arrays.toString(myArray));<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u514b\u9686\u6570\u7ec4<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 clone() \u65b9\u6cd5\u590d\u5236\u6570\u7ec4\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>int[] clonedArray = myArray.clone();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u83b7\u53d6\u548c\u4f7f\u7528\u6570\u7ec4\uff1a<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\nint length = numbers.length;\n\n\/\/ \u8bbf\u95ee\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\nint firstElement = numbers[0];\n\n\/\/ \u6253\u5370\u6570\u7ec4\nSystem.out.println(Arrays.toString(numbers));<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>[1, 2, 3, 4, 5]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u62ff\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>\u8981\u83b7\u53d6 java \u6570\u7ec4\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\uff0c\u4f7f\u7528\u4e0b\u6807\u8bbf\u95ee\u5143\u7d20\uff0c\u6253\u5370\u6570\u7ec4\uff0c\u6216\u514b\u9686\u6570\u7ec4\u3002 \u5982\u4f55\u83b7\u53d6 Java \u6570\u7ec4 \u8981\u83b7\u53d6 Java \u6570\u7ec4\uff0c\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a 1. \u521b\u5efa\u6570\u7ec4 \u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] myArray = new int[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cmyArray \u662f\u6570\u7ec4\u7684\u540d\u79f0\uff0csize \u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 2. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 \u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u6765\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u4e0b\u6807\u4ece 0 \u5f00\u59cb\uff0c\u5982\u4e0b\u6240\u793a\uff1a int firstElement = myArray[0]; \u767b\u5f55\u540e\u590d\u5236 3. \u6253\u5370\u6570\u7ec4 \u53ef\u4ee5\u4f7f\u7528 Arrays.toString() \u65b9\u6cd5\u6253\u5370\u6570\u7ec4\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a System.out.println(Arrays.toString(myArray)); \u767b\u5f55\u540e\u590d\u5236 4. \u514b\u9686\u6570\u7ec4 \u53ef\u4ee5\u4f7f\u7528 clone() \u65b9\u6cd5\u590d\u5236\u6570\u7ec4\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a int[] clonedArray = myArray.clone(); \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u83b7\u53d6\u548c\u4f7f\u7528\u6570\u7ec4\uff1a int[] numbers = {1, [&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-65234","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65234","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=65234"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65234\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}