MainClass, 12.06.2021

package prj12062021;

public class MainClass {

    public static void main(String[] args) {
        Point p1 = new Point();
        p1.print();
        System.out.println(p1);
        Point p2 = new Point();
        p2.setX(3);
        p2.setY(4);
        p2.print();

        Point p3 = new Point(3, 4);
        p3.print();

        Point p4 = p1;
        p4.print();

        System.out.println(" p1 ***************");
        System.out.println("p1==p2 : " + (p1 == p2));
        System.out.println("p1==p3 : " + (p1 == p3));
        System.out.println("p1==p4 : " + (p1 == p4));

        System.out.println(" p2 ***************");
        System.out.println("p2==p3 : " + (p2 == p3));
        System.out.println("p2==p4 : " + (p2 == p4));
        System.out.println("p2.equals(p3) : " + p2.equals(p3));

        System.out.println("from p1 to p2 : " + p1.distance(p2));
        System.out.println("from p2 to p1 : " + p2.distance(p1));
        System.out.println("from p2 to p3 : " + p2.distance(p3));
    }

}