testcylinder.java

java课件

public class TestCylinder {
  public static void main(String[] args){
    Cylinder cylinder = new Cylinder();
    System.out.println("长度 =" + cylinder.getLength());
    System.out.println("半径 =" + cylinder.getRadius());
    System.out.println("体积 =" + cylinder.findVolume());
    System.out.println("面积 =" + cylinder.findArea());
  }
}