Point2DDemo.java

public class PointDemo{

  public static void main(String[] args){

    onlyfun.caterpillar.Point2D p1=new onlyfun.caterpillar.Point2D(10,20);

 

    System.out.println("p1:(x,y)=(%d,%d)%n",p1.getX(),p1.getY());

  }

}