瑕佷娇鐢⊿tringBuffer鏇挎崲鎸囧畾瀛楃锛屽彲浠ヤ娇鐢⊿tringBuffer鐨剅eplace鏂规硶銆傝繖涓柟娉曟帴鍙椾袱涓弬鏁帮紝绗竴涓弬鏁版槸瑕佹浛鎹㈢殑瀛楃鐨勮捣濮嬬储寮曪紝绗簩涓弬鏁版槸瑕佹浛鎹㈢殑瀛楃鐨勭粨鏉熺储寮曪紙涓嶅寘鎷粨鏉熺储寮曪級銆?/p>

浠ヤ笅鏄竴涓緥瀛愶細

StringBuffer sb = new StringBuffer("Hello World");
sb.replace(6, 11, "Java");
System.out.println(sb.toString()); // 杈撳嚭锛欻ello Java

鍦ㄨ繖涓緥瀛愪腑锛屾垜浠鍏堝垱寤轰竴涓猄tringBuffer瀵硅薄锛屽唴瀹逛负"Hello World"銆傜劧鍚庝娇鐢╮eplace鏂规硶灏嗙储寮?鍒扮储寮?1涔嬮棿鐨勫瓧绗︽浛鎹负"Java"銆傛渶鍚庢墦鍗拌緭鍑烘浛鎹㈠悗鐨勫瓧绗︿覆銆?/p>

闇€瑕佹敞鎰忕殑鏄紝StringBuffer鐨剅eplace鏂规硶浼氫慨鏀瑰師濮嬬殑StringBuffer瀵硅薄锛岃€屼笉鏄繑鍥炰竴涓柊鐨勫瓧绗︿覆銆傚鏋滄兂瑕佽幏寰椾竴涓柊鐨勫瓧绗︿覆锛屽彲浠ュ湪replace鏂规硶涔嬪悗璋冪敤toString鏂规硶銆?/p>