import java.util.*;

// This client program uses the Point classes we talked about today
// and tests their equals methods.
public class Main {
    public static void main(String[] args) {
        Point3D p1 = new Point3D(4, 5, 0);
        Point3D p2 = new Point3D(4, 5, 6);
        Point   p3 = new Point  (4, 5);
        String s = "hi";
        
        System.out.println(p1.equals(p2));
        System.out.println(p2.equals(p1));
        System.out.println(p1.equals(p3));
        System.out.println(p3.equals(p1));
        System.out.println(p2.equals(p3));
        System.out.println(p3.equals(p2));
        System.out.println(p1.equals(s));
        System.out.println();
        
        equalityExample();
    }
    
    public static void equalityExample() {
        Point p1 = new Point(5, 3);
        Point p2 = new Point(5, 3);
        Point p3 = p2;

        System.out.println(p1 == p2);
        System.out.println(p1 == p3);
        System.out.println(p2 == p3);

        System.out.println(p1.equals(p2));
        System.out.println(p1.equals(p3));
        System.out.println(p2.equals(p3));
    }
}