{"id":65302,"date":"2025-05-03T13:20:03","date_gmt":"2025-05-03T05:20:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65302\/"},"modified":"2025-05-03T13:20:03","modified_gmt":"2025-05-03T05:20:03","slug":"java%e6%80%8e%e4%b9%88%e5%bb%ba%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65302\/","title":{"rendered":"java\u600e\u4e48\u5efa\u5bf9\u8c61\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4\uff0c\u9700\u8981\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\uff1a1. \u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff1b2. \u4f7f\u7528 new \u8fd0\u7b97\u7b26\u521b\u5efa\u6570\u7ec4\uff1b3. \u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u3002\u5176\u4e2d\uff0c\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\u65f6\u9700\u6307\u5b9a\u5b58\u50a8\u5bf9\u8c61\u7684\u7c7b\u578b\uff0c\u4f7f\u7528 new \u8fd0\u7b97\u7b26\u521b\u5efa\u6570\u7ec4\u65f6\u9700\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff0c\u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u65f6\u4f7f\u7528\u65b9\u62ec\u53f7\u8bed\u6cd5\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/12\/2024111219304933785.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5efa\u5bf9\u8c61\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5efa\u5bf9\u8c61\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u5982\u4f55\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4\uff1f<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4\uff1a<\/p>\n<ol>\n<li>\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff1a\u6307\u5b9a\u6570\u7ec4\u5c06\u8981\u5b58\u50a8\u7684\u5bf9\u8c61\u7c7b\u578b\u3002<\/li>\n<li>\u4f7f\u7528 new \u8fd0\u7b97\u7b26\u521b\u5efa\u6570\u7ec4\uff1a\u521b\u5efa\u4e00\u4e2a\u6307\u5b9a\u5927\u5c0f\u7684\u6570\u7ec4\u5b9e\u4f8b\u3002<\/li>\n<li>\u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\uff1a\u4f7f\u7528\u65b9\u62ec\u53f7\u8bed\u6cd5\u4e3a\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u3002<\/li>\n<\/ol>\n<p><strong>\u8be6\u7ec6\u6b65\u9aa4\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ol>\n<li><strong>\u58f0\u660e\u6570\u7ec4\u7c7b\u578b<\/strong><\/li>\n<\/ol>\n<pre>Object[] myArray;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li><strong>\u521b\u5efa\u6570\u7ec4<\/strong><\/li>\n<\/ol>\n<pre>myArray = new Object[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a Object \u7c7b\u578b\u7684\u5143\u7d20\u7684\u6570\u7ec4\u3002<\/p>\n<ol>\n<li><strong>\u8d4b\u503c<\/strong><\/li>\n<\/ol>\n<pre>myArray[0] = new String(\"Hello\");\nmyArray[1] = new Integer(10);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\nString[] stringArray;\n\n\/\/ \u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a 3 \u7684\u6570\u7ec4\nstringArray = new String[3];\n\n\/\/ \u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\nstringArray[0] = \"Java\";\nstringArray[1] = \"Python\";\nstringArray[2] = \"C++\";\n\n\/\/ \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\nSystem.out.println(stringArray[0]); \/\/ \u8f93\u51fa: Java<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5efa\u5bf9\u8c61\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>\u5728 java \u4e2d\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4\uff0c\u9700\u8981\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\uff1a1. \u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff1b2. \u4f7f\u7528 new \u8fd0\u7b97\u7b26\u521b\u5efa\u6570\u7ec4\uff1b3. \u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u3002\u5176\u4e2d\uff0c\u58f0\u660e\u6570\u7ec4\u7c7b\u578b\u65f6\u9700\u6307\u5b9a\u5b58\u50a8\u5bf9\u8c61\u7684\u7c7b\u578b\uff0c\u4f7f\u7528 new \u8fd0\u7b97\u7b26\u521b\u5efa\u6570\u7ec4\u65f6\u9700\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff0c\u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u65f6\u4f7f\u7528\u65b9\u62ec\u53f7\u8bed\u6cd5\u3002 Java \u4e2d\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4 \u5982\u4f55\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4\uff1f \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efa\u5bf9\u8c61\u6570\u7ec4\uff1a \u58f0\u660e\u6570\u7ec4\u7c7b\u578b\uff1a\u6307\u5b9a\u6570\u7ec4\u5c06\u8981\u5b58\u50a8\u7684\u5bf9\u8c61\u7c7b\u578b\u3002 \u4f7f\u7528 new \u8fd0\u7b97\u7b26\u521b\u5efa\u6570\u7ec4\uff1a\u521b\u5efa\u4e00\u4e2a\u6307\u5b9a\u5927\u5c0f\u7684\u6570\u7ec4\u5b9e\u4f8b\u3002 \u7ed9\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\uff1a\u4f7f\u7528\u65b9\u62ec\u53f7\u8bed\u6cd5\u4e3a\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u3002 \u8be6\u7ec6\u6b65\u9aa4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u58f0\u660e\u6570\u7ec4\u7c7b\u578b Object[] myArray; \u767b\u5f55\u540e\u590d\u5236 \u521b\u5efa\u6570\u7ec4 myArray = new Object[5]; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a Object \u7c7b\u578b\u7684\u5143\u7d20\u7684\u6570\u7ec4\u3002 \u8d4b\u503c myArray[0] = new String(&#8220;Hello&#8221;); myArray[1] = new Integer(10); \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a \/\/ \u58f0\u660e\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4 String[] stringArray; \/\/ \u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a [&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-65302","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65302","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=65302"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65302\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}