StringBuffer绫荤殑replace鏂规硶鐢ㄤ簬灏嗘寚瀹氫綅缃殑瀛楃鏇挎崲鎴愭柊鐨勫瓧绗︽垨瀛楃涓层€傚叾鏂规硶绛惧悕濡備笅锛?/p>

public StringBuffer replace(int start, int end, String str)

鍙傛暟璇存槑锛?/p>

• start锛氳鏇挎崲鐨勮捣濮嬩綅缃紙鍖呮嫭璇ヤ綅缃殑瀛楃锛?/li>
• end锛氳鏇挎崲鐨勭粨鏉熶綅缃紙涓嶅寘鎷浣嶇疆鐨勫瓧绗︼級
• str锛氳鏇挎崲鎴愮殑鏂板瓧绗︿覆

绀轰緥浠ｇ爜濡備笅锛?/p>

StringBuffer sb = new StringBuffer("Hello World");
sb.replace(6, 11, "Java");
System.out.println(sb); // 杈撳嚭缁撴灉涓猴細Hello Java

鍦ㄤ笂闈㈢殑绀轰緥涓紝鎴戜滑灏嗗瓧绗︿覆"Hello World"鐨勭6涓綅缃埌绗?1涓綅缃紙涓嶅寘鎷11涓綅缃級鐨勫瓧绗︽浛鎹㈡垚浜?quot;Java"銆傛渶缁堣緭鍑虹粨鏋滀负"Hello Java"銆?/p>

闇€瑕佹敞鎰忕殑鏄紝replace鏂规硶浼氫慨鏀瑰師濮嬬殑StringBuffer瀵硅薄锛屽苟杩斿洖鏇挎崲鍚庣殑鏂板瓧绗︿覆銆?/p>