System.out.println("After replacing string buffer= "+sbf); } } 输出: Exceptioninthread"main"java.lang.StringIndexOutOfBoundsException: start>length() at java.lang.AbstractStringBuilder.replace(AbstractStringBuilder.java:853) at java.lang.StringBuffer.replace(StringBuffer.java:452) atGeeks.main(Geek...
public StringBuffer delete(int start,int end),删除缓冲区指定起始位置的字符串 public StringBuffer deleteCharAt(int index),删除缓冲指定位置的字符 public StringBuffer replace(int start,int end,String str),把缓冲区指定位置的字符串替换为新的字符串 public StringBuffer reverse(),字符串反转(倒) public St...