{"id":37853,"date":"2024-11-26T13:30:00","date_gmt":"2024-11-26T05:30:00","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37853\/"},"modified":"2024-11-26T13:30:00","modified_gmt":"2024-11-26T05:30:00","slug":"java%e6%80%8e%e4%b9%88%e5%88%a4%e6%96%ad%e6%95%b0%e7%bb%84%e6%98%af%e5%90%a6%e5%a4%a7%e4%ba%8e%e9%9b%b6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37853\/","title":{"rendered":"java\u600e\u4e48\u5224\u65ad\u6570\u7ec4\u662f\u5426\u5927\u4e8e\u96f6"},"content":{"rendered":"<blockquote><p>\n  \u8981\u5224\u65ad java \u6570\u7ec4\u662f\u5426\u5927\u4e8e\u96f6\uff0c\u9700\u8981\u68c0\u67e5\u5b83\u7684\u957f\u5ea6\u662f\u5426\u5927\u4e8e\u96f6\uff1a\u5982\u679c\u6570\u7ec4\u957f\u5ea6\u5927\u4e8e\u96f6\uff0c\u5219\u8868\u793a\u6570\u7ec4\u5305\u542b\u5143\u7d20\uff0c\u56e0\u6b64\u5b83\u5927\u4e8e\u96f6\u3002\u5982\u679c\u6570\u7ec4\u957f\u5ea6\u4e3a\u96f6\uff0c\u5219\u8868\u793a\u6570\u7ec4\u4e3a\u7a7a\uff0c\u56e0\u6b64\u5b83\u4e0d\u5927\u4e8e\u96f6\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111311573476976.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5224\u65ad\u6570\u7ec4\u662f\u5426\u5927\u4e8e\u96f6\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5224\u65ad\u6570\u7ec4\u662f\u5426\u5927\u4e8e\u96f6\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5224\u65ad Java \u6570\u7ec4\u662f\u5426\u5927\u4e8e\u96f6<\/strong><\/p>\n<p><strong>\u56de\u7b54\uff1a<\/strong><br \/>\u8981\u5224\u65ad Java \u6570\u7ec4\u662f\u5426\u5927\u4e8e\u96f6\uff0c\u9700\u8981\u68c0\u67e5\u5b83\u7684\u957f\u5ea6\u662f\u5426\u5927\u4e8e\u96f6\u3002<\/p>\n<p><strong>\u8be6\u7ec6\u8bf4\u660e\uff1a<\/strong><\/p>\n<p>\u6570\u7ec4\u957f\u5ea6\u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002\u5982\u679c\u6570\u7ec4\u7684\u957f\u5ea6\u5927\u4e8e\u96f6\uff0c\u5219\u8868\u793a\u6570\u7ec4\u5305\u542b\u5143\u7d20\uff0c\u56e0\u6b64\u5b83\u5927\u4e8e\u96f6\u3002\u5426\u5219\uff0c\u5982\u679c\u6570\u7ec4\u7684\u957f\u5ea6\u4e3a\u96f6\uff0c\u5219\u8868\u793a\u6570\u7ec4\u4e3a\u7a7a\uff0c\u56e0\u6b64\u5b83\u4e0d\u5927\u4e8e\u96f6\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u4ee5\u4e0b Java \u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u5224\u65ad\u6570\u7ec4\u662f\u5426\u5927\u4e8e\u96f6\uff1a<\/p>\n<pre>int[] array = {1, 2, 3, 4, 5};\n\nif (array.length &gt; 0) {\n  System.out.println(\"\u6570\u7ec4\u5927\u4e8e\u96f6\u3002\");\n} else {\n  System.out.println(\"\u6570\u7ec4\u4e0d\u5927\u4e8e\u96f6\u3002\");\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd0\u884c\u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a<\/p>\n<pre>\u6570\u7ec4\u5927\u4e8e\u96f6\u3002<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u662f\u56e0\u4e3a array \u6570\u7ec4\u7684\u957f\u5ea6\u4e3a 5\uff0c\u5927\u4e8e\u96f6\u3002<\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u5bf9\u4e8e\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff0c\u5982 int[]\u3001double[] \u7b49\uff0c\u6570\u7ec4\u957f\u5ea6\u5b58\u50a8\u5728 length \u5b57\u6bb5\u4e2d\u3002<\/li>\n<li>\u5bf9\u4e8e\u5f15\u7528\u7c7b\u578b\u6570\u7ec4\uff0c\u5982 String[]\u3001Object[] \u7b49\uff0c\u6570\u7ec4\u957f\u5ea6\u4e5f\u5b58\u50a8\u5728 length \u5b57\u6bb5\u4e2d\uff0c\u4f46\u8be5\u5b57\u6bb5\u6307\u5411\u6570\u7ec4\u4e2d\u5b58\u50a8\u7684\u5143\u7d20\u6570\u91cf\uff0c\u800c\u4e0d\u662f\u6307\u5411\u6570\u7ec4\u672c\u8eab\u7684\u957f\u5ea6\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5224\u65ad\u6570\u7ec4\u662f\u5426\u5927\u4e8e\u96f6\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8981\u5224\u65ad java \u6570\u7ec4\u662f\u5426\u5927\u4e8e\u96f6\uff0c\u9700\u8981\u68c0\u67e5\u5b83\u7684\u957f\u5ea6\u662f\u5426\u5927\u4e8e\u96f6\uff1a\u5982\u679c\u6570\u7ec4\u957f\u5ea6\u5927\u4e8e\u96f6\uff0c\u5219\u8868\u793a\u6570\u7ec4\u5305\u542b\u5143\u7d20\uff0c\u56e0\u6b64\u5b83\u5927\u4e8e\u96f6\u3002\u5982\u679c\u6570\u7ec4\u957f\u5ea6\u4e3a\u96f6\uff0c\u5219\u8868\u793a\u6570\u7ec4\u4e3a\u7a7a\uff0c\u56e0\u6b64\u5b83\u4e0d\u5927\u4e8e\u96f6\u3002 \u5224\u65ad Java \u6570\u7ec4\u662f\u5426\u5927\u4e8e\u96f6 \u56de\u7b54\uff1a\u8981\u5224\u65ad Java \u6570\u7ec4\u662f\u5426\u5927\u4e8e\u96f6\uff0c\u9700\u8981\u68c0\u67e5\u5b83\u7684\u957f\u5ea6\u662f\u5426\u5927\u4e8e\u96f6\u3002 \u8be6\u7ec6\u8bf4\u660e\uff1a \u6570\u7ec4\u957f\u5ea6\u662f\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002\u5982\u679c\u6570\u7ec4\u7684\u957f\u5ea6\u5927\u4e8e\u96f6\uff0c\u5219\u8868\u793a\u6570\u7ec4\u5305\u542b\u5143\u7d20\uff0c\u56e0\u6b64\u5b83\u5927\u4e8e\u96f6\u3002\u5426\u5219\uff0c\u5982\u679c\u6570\u7ec4\u7684\u957f\u5ea6\u4e3a\u96f6\uff0c\u5219\u8868\u793a\u6570\u7ec4\u4e3a\u7a7a\uff0c\u56e0\u6b64\u5b83\u4e0d\u5927\u4e8e\u96f6\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4ee3\u7801\u793a\u4f8b\uff1a \u4ee5\u4e0b Java \u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u5224\u65ad\u6570\u7ec4\u662f\u5426\u5927\u4e8e\u96f6\uff1a int[] array = {1, 2, 3, 4, 5}; if (array.length &gt; 0) { System.out.println(&#8220;\u6570\u7ec4\u5927\u4e8e\u96f6\u3002&#8221;); } else { System.out.println(&#8220;\u6570\u7ec4\u4e0d\u5927\u4e8e\u96f6\u3002&#8221;); } \u767b\u5f55\u540e\u590d\u5236 \u8fd0\u884c\u8fd9\u6bb5\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a \u6570\u7ec4\u5927\u4e8e\u96f6\u3002 \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u662f\u56e0\u4e3a array \u6570\u7ec4\u7684\u957f\u5ea6\u4e3a 5\uff0c\u5927\u4e8e\u96f6\u3002 \u6ce8\u610f\uff1a \u5bf9\u4e8e\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff0c\u5982 int[]\u3001double[] \u7b49\uff0c\u6570\u7ec4\u957f\u5ea6\u5b58\u50a8\u5728 length \u5b57\u6bb5\u4e2d\u3002 \u5bf9\u4e8e\u5f15\u7528\u7c7b\u578b\u6570\u7ec4\uff0c\u5982 String[]\u3001Object[] \u7b49\uff0c\u6570\u7ec4\u957f\u5ea6\u4e5f\u5b58\u50a8\u5728 length \u5b57\u6bb5\u4e2d\uff0c\u4f46\u8be5\u5b57\u6bb5\u6307\u5411\u6570\u7ec4\u4e2d\u5b58\u50a8\u7684\u5143\u7d20\u6570\u91cf\uff0c\u800c\u4e0d\u662f\u6307\u5411\u6570\u7ec4\u672c\u8eab\u7684\u957f\u5ea6\u3002 \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5224\u65ad\u6570\u7ec4\u662f\u5426\u5927\u4e8e\u96f6\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-37853","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37853","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=37853"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37853\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}