{"id":66240,"date":"2025-05-03T09:17:17","date_gmt":"2025-05-03T01:17:17","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66240\/"},"modified":"2025-05-03T09:17:17","modified_gmt":"2025-05-03T01:17:17","slug":"java%e6%80%8e%e4%b9%88%e5%90%91%e6%95%b0%e7%bb%84%e4%b8%ad%e6%b7%bb%e5%8a%a0%e5%af%b9%e8%b1%a1-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66240\/","title":{"rendered":"java\u600e\u4e48\u5411\u6570\u7ec4\u4e2d\u6dfb\u52a0\u5bf9\u8c61"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u53ef\u4ee5\u5229\u7528\u6cdb\u578b\u58f0\u660e\u6570\u7ec4\u4ee5\u5b58\u50a8\u5bf9\u8c61\uff1a\u58f0\u660e\u6570\u7ec4\u65f6\u4f7f\u7528\u6cdb\u578b object[] \u5bf9\u8c61\u6570\u7ec4\u3002\u4f7f\u7528 [] \u8fd0\u7b97\u7b26\u5411\u6570\u7ec4\u6dfb\u52a0\u5bf9\u8c61\uff0c\u65e0\u9700\u7c7b\u578b\u8f6c\u6362\u3002\u4f7f\u7528 [] \u8fd0\u7b97\u7b26\u8bbf\u95ee\u6570\u7ec4\u4e2d\u5bf9\u8c61\uff0c\u4f46\u9700\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111504482059791.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5411\u6570\u7ec4\u4e2d\u6dfb\u52a0\u5bf9\u8c61\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5411\u6570\u7ec4\u4e2d\u6dfb\u52a0\u5bf9\u8c61\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5411 Java \u6570\u7ec4\u4e2d\u6dfb\u52a0\u5bf9\u8c61<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u5143\u7d20\u7684\u6570\u636e\u7ed3\u6784\u3002\u5982\u679c\u8981\u5411\u6570\u7ec4\u4e2d\u6dfb\u52a0\u5bf9\u8c61\uff0c\u53ef\u4ee5\u5728\u58f0\u660e\u6570\u7ec4\u65f6\u4f7f\u7528\u6cdb\u578b\u3002<\/p>\n<p><strong>\u4f7f\u7528\u6cdb\u578b<\/strong><\/p>\n<pre>Object[] objects = new Object[5]; \/\/ \u58f0\u660e\u4e00\u4e2a\u53ef\u4ee5\u5b58\u50a8\u4efb\u610f\u5bf9\u8c61\u7684\u6570\u7ec4<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>Object \u662f Java \u4e2d\u6240\u6709\u5bf9\u8c61\u7684\u7236\u7c7b\uff0c\u56e0\u6b64 Object[] \u6570\u7ec4\u53ef\u4ee5\u5b58\u50a8\u4efb\u4f55\u7c7b\u578b\u7684\u5bf9\u8c61\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>\u6dfb\u52a0\u5bf9\u8c61<\/strong><\/p>\n<p>\u8981\u5411\u6570\u7ec4\u4e2d\u6dfb\u52a0\u5bf9\u8c61\uff0c\u53ef\u4ee5\u4f7f\u7528 [] \u8fd0\u7b97\u7b26\uff1a<\/p>\n<pre>objects[0] = new String(\"Hello\"); \/\/ \u5728\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u7d22\u5f15\u5904\u6dfb\u52a0\u4e00\u4e2a String \u5bf9\u8c61\nobjects[1] = new Integer(5); \/\/ \u5728\u6570\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u7d22\u5f15\u5904\u6dfb\u52a0\u4e00\u4e2a Integer \u5bf9\u8c61<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8bbf\u95ee\u5bf9\u8c61<\/strong><\/p>\n<p>\u8981\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528 [] \u8fd0\u7b97\u7b26\uff1a<\/p>\n<pre>String name = (String) objects[0]; \/\/ \u83b7\u53d6\u6570\u7ec4\u4e2d\u7b2c\u4e00\u4e2a\u7d22\u5f15\u5904\u7684 String \u5bf9\u8c61\nInteger number = (Integer) objects[1]; \/\/ \u83b7\u53d6\u6570\u7ec4\u4e2d\u7b2c\u4e8c\u4e2a\u7d22\u5f15\u5904\u7684 Integer \u5bf9\u8c61<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u7531\u4e8e\u6cdb\u578b\u6570\u7ec4\u4f7f\u7528\u81ea\u52a8\u88c5\u7bb1\u548c\u62c6\u7bb1\uff0c\u56e0\u6b64\u5728\u6dfb\u52a0\u548c\u8bbf\u95ee\u5bf9\u8c61\u65f6\u9700\u8981\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3002<\/li>\n<li>\u6570\u7ec4\u5927\u5c0f\u56fa\u5b9a\uff0c\u56e0\u6b64\u5728\u6dfb\u52a0\u5bf9\u8c61\u4e4b\u524d\u9700\u8981\u786e\u5b9a\u6570\u7ec4\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5411\u6570\u7ec4\u4e2d\u6dfb\u52a0\u5bf9\u8c61\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\u53ef\u4ee5\u5229\u7528\u6cdb\u578b\u58f0\u660e\u6570\u7ec4\u4ee5\u5b58\u50a8\u5bf9\u8c61\uff1a\u58f0\u660e\u6570\u7ec4\u65f6\u4f7f\u7528\u6cdb\u578b object[] \u5bf9\u8c61\u6570\u7ec4\u3002\u4f7f\u7528 [] \u8fd0\u7b97\u7b26\u5411\u6570\u7ec4\u6dfb\u52a0\u5bf9\u8c61\uff0c\u65e0\u9700\u7c7b\u578b\u8f6c\u6362\u3002\u4f7f\u7528 [] \u8fd0\u7b97\u7b26\u8bbf\u95ee\u6570\u7ec4\u4e2d\u5bf9\u8c61\uff0c\u4f46\u9700\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3002 \u5411 Java \u6570\u7ec4\u4e2d\u6dfb\u52a0\u5bf9\u8c61 \u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u5143\u7d20\u7684\u6570\u636e\u7ed3\u6784\u3002\u5982\u679c\u8981\u5411\u6570\u7ec4\u4e2d\u6dfb\u52a0\u5bf9\u8c61\uff0c\u53ef\u4ee5\u5728\u58f0\u660e\u6570\u7ec4\u65f6\u4f7f\u7528\u6cdb\u578b\u3002 \u4f7f\u7528\u6cdb\u578b Object[] objects = new Object[5]; \/\/ \u58f0\u660e\u4e00\u4e2a\u53ef\u4ee5\u5b58\u50a8\u4efb\u610f\u5bf9\u8c61\u7684\u6570\u7ec4 \u767b\u5f55\u540e\u590d\u5236 Object \u662f Java \u4e2d\u6240\u6709\u5bf9\u8c61\u7684\u7236\u7c7b\uff0c\u56e0\u6b64 Object[] \u6570\u7ec4\u53ef\u4ee5\u5b58\u50a8\u4efb\u4f55\u7c7b\u578b\u7684\u5bf9\u8c61\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6dfb\u52a0\u5bf9\u8c61 \u8981\u5411\u6570\u7ec4\u4e2d\u6dfb\u52a0\u5bf9\u8c61\uff0c\u53ef\u4ee5\u4f7f\u7528 [] \u8fd0\u7b97\u7b26\uff1a objects[0] = new String(&#8220;Hello&#8221;); \/\/ \u5728\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u7d22\u5f15\u5904\u6dfb\u52a0\u4e00\u4e2a String \u5bf9\u8c61 objects[1] = new Integer(5); \/\/ \u5728\u6570\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u7d22\u5f15\u5904\u6dfb\u52a0\u4e00\u4e2a Integer \u5bf9\u8c61 \u767b\u5f55\u540e\u590d\u5236 \u8bbf\u95ee\u5bf9\u8c61 \u8981\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528 [] \u8fd0\u7b97\u7b26\uff1a [&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-66240","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66240","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=66240"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66240\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}