求圆柱的体积

package bzu.into.com;
import bzu.into.com.Circle;
public class A {
public static void main(String[] args) {
Cylinder cylinder=new  Cylinder();
Circle circle=new Circle(5);
circle.setR(5);
cylinder.setCircle(circle);
cylinder.setHeight(10);
double s=cylinder.getVolme();
System.out.println("底面半径："+circle.getR()+",圆柱的高："
+cylinder.getHeight()+",圆柱的体积："+s);
}

}
package bzu.into.com;
import bzu.into.com.Circle;
public class Cylinder {
Circle circle;
double height;
public Circle getCircle() {
return circle;
}
public void setCircle(Circle circle) {
this.circle = circle;
}
double getVolme() {
return circle.getArea()*height;
}
public double getHeight() {
return height;
}
public void setHeight(double height) {
this.height = height;
}

}
package bzu.into.com;

public class Circle {
double r,area;
public Circle(double r){
this.r=r;
}
public void setR(double r) {
this.r=r;
}
public double getR() {
return r;
}
public double getArea() {
area=3.14*r*r;
return area;
}

}