cylinder.java

来自「java课件 java课件 java课件 java课件」· Java 代码 · 共 23 行

public class Cylinder extends Circle{
	private double height;
	public Cylinder(){
     this(1.0,10.0);
}
	public Cylinder(double r,double h){
		super(r);
		height=h;
	}	
	public void setHeight(double h){
		height=h;
	}
	public double getHeight(){
		return height;
	}	
	public double volume(){
		return area()*height;
	}
	public String toString(){
       return  "[Cylinder] radius = " + getRadius() + ", height = "+getHeight();
    }
}