class30.java

该原代码为＜Java编程基础、应用与实例＞的附盘代码

public class Class30{
  public Class30(){
    System.out.println("救崇~~");
  }
  public Class30(String s){
  	this();
  	System.out.println(s);
  }
  public Class30(int a){
  	this("馆啊况~~");
  	System.out.println(a);
  }
  public static void main(String[] args){
    Class30 ob=new Class30(20);
  }
}