setcharatdemo.java

来自「JAVA编程思想源代码 值得一下 很难找的」· Java 代码 · 共 15 行

package chapter8;

public class SetCharAtDemo {

	
	public static void main(String[] args) {
		StringBuffer sbf=new StringBuffer("i am an student");
		sbf.setCharAt(6,' ');
		System.out.println("stringbuffer is  "+sbf);
		

	}

}