extends作业二

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public class 测试{    public static void main(String[] args) {        Cuboid cuboid=new Cuboid();        cuboid.setLength(10.1);        cuboid.setWidth(8.2);        cuboid.setHeight(6.3);        System.out.println("长方体的底面积为"+cuboid.Area());        System.out.println("长方体的体积为"+cuboid.volume());          }}

public class Cuboid extends Rectangle {    private double height;    public double getHeight() {        return height;    }    public void setHeight(double height) {        this.height = height;    }    public double volume(){        return Area()*height;    }}

public class Cuboid extends Rectangle {    private double height;    public double getHeight() {        return height;    }    public void setHeight(double height) {        this.height = height;    }    public double volume(){        return Area()*height;    }}

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