superdemo_1.java

软通公司培训的课件和习题里面有答案。。。

package com.iss.five;

class Box {
	Box(double wigth,double heigth,double depth){}
}

public class SuperDemo_1 extends Box {
	
	//  定义一个无参数的构造函数，父类中也必须有一个无参数的构造函数 
/*	public SuperDemo_1(){
	}*/
	
	public SuperDemo_1(double w,double h,double d){
		//System.out.println("asdf");
		super(w,h,d);
	}
	
	
}