圆柱的体积

package bzu.info.software;public class Circle {double radius;public Circle(double radius) {this.radius=radius;}public double getArea() {return 3.14*radius*radius;}}

package bzu.info.com;import bzu.info.software.Circle;public class Cylinder {Circle circle;double high;public Cylinder(Circle circle,double high) {this.circle=circle;this.high=high;}public void Volme() {System.out.println(circle.getArea()*high); }}

package bzu.info.com;import bzu.info.software.Circle;public class A {public static void main(String[] args) {Circle circle=new Circle(2.0);Cylinder cy=new Cylinder(circle,6.0);cy.Volme();}}