java涓璴ength鍑芥暟濡備綍浣跨敤
鍦↗ava涓紝length
鏄竴涓壒娈婄殑灞炴€э紝鐢ㄤ簬鑾峰彇鏁扮粍鎴栧瓧绗︿覆鐨勯暱搴︺€傚叿浣撲娇鐢ㄦ柟娉曞涓嬶細
瀵逛簬鏁扮粍锛?/p>
- 澹版槑涓€涓暟缁勫彉閲忥紝濡?code>int[] arr = {1, 2, 3, 4, 5};銆?/li>
- 浣跨敤
arr.length
鏉ヨ幏鍙栨暟缁勭殑闀垮害銆?/li>
瀵逛簬瀛楃涓诧細
- 澹版槑涓€涓瓧绗︿覆鍙橀噺锛屽
String str = "Hello, World!";
銆?/li> - 浣跨敤
str.length()
鏉ヨ幏鍙栧瓧绗︿覆鐨勯暱搴︺€?/li>
绀轰緥浠g爜濡備笅锛?/p>
// 鏁扮粍
int[] arr = {1, 2, 3, 4, 5};
int length = arr.length;
System.out.println("鏁扮粍鐨勯暱搴︼細" + length);
// 瀛楃涓?/span>
String str = "Hello, World!";
int length = str.length();
System.out.println("瀛楃涓茬殑闀垮害锛?quot; + length);
杈撳嚭缁撴灉涓猴細
鏁扮粍鐨勯暱搴︼細5
瀛楃涓茬殑闀垮害锛?3
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