软件开发实验报告~~帮忙做一下~感激不尽

发布网友发布时间：2022-04-30 17:50

共3个回答

热心网友时间：2022-06-28 16:46

package test;

public class Box {
long hight;
long weight;
long length;

public Box() {

}

public Box(long hight, long weight, long length) {
this.hight = hight;
this.weight = weight;
this.length = length;
}

public void setDemo(long hight, long weight, long length) {
this.hight = hight;
this.weight = weight;
this.length = length;
}

public long getVolume(){
return hight*weight*length;
}

public static void main(String[] args) {
Box a = new Box();
a.setDemo(1,2,3);
System.out.println(a.getVolume());
Box b = new Box(1,2,3);
System.out.println(b.getVolume());
}

}

class SubBox extends Box{
public SubBox(long hight, long weight, long length) {
super(hight,weight,length);
}

public SubBox(){

}

public long getArea(){
return (hight*weight*2 + weight*length*2 + hight*length*2);
}

public static void main(String[] args) {
SubBox a = new SubBox();
a.setDemo(1,2,3);
System.out.println(a.getArea());
SubBox b = new SubBox(1,2,3);
System.out.println(b.getArea());
}
}

热心网友时间：2022-06-28 16:47

哥你华理的？

热心网友时间：2022-06-28 16:47

必须华理的。。。