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StringBuffer的替换和反转功能
- A:StringBuffer的替换功能
- public StringBuffer replace(int start,int end,String str):
- 从start开始到end用str替换
- public StringBuffer replace(int start,int end,String str):
- B:StringBuffer的反转功能
- public StringBuffer reverse():
- 字符串反转
- public StringBuffer reverse():
package com.heima.stringbuffer;
public class Demo04_StringBufferMethod {
public static void main(String[] args) {
StringBuffer sb = new StringBuffer("heima");
sb.replace(0, 2, "ba");
System.out.println(sb);
sb.reverse();
System.out.println(sb);
}
}