Unit 3: Class Point

//object of the class Point
public class PointMain3
{
   public static void main(String[] args)
   {
       Point p1 =new Point(2,3);
       Point p2 =new Point();
       System.out.println("p1: (" + p1.GetX() + ", " + p1.GetY() + ")");
       System.out.println("p2: (" + p2.GetX() + ", " + p2.GetY() + ")");
       p2.SetX(3);
       p2.SetY(5);
       System.out.println("I changed my p2.");
       System.out.println("p2: (" + p2.GetX() + ", " + p2.GetY() + ")");
       p2.translateX(-4);
       p2.translateY(3);
       System.out.println("I translated p2.");
       System.out.println("p2: (" + p2.GetX() + ", " + p2.GetY() + ")");
       System.out.println("The distance between p1 and p2 is " + p2.calcdistance(2, -1, 3, 8));
       System.out.println("The slope of the line that p1 and p2 create is " + p2.calcSlope(2,-1,3,8));
    }
}
//the main class
public class Point
{
    private int x;
    private int y;
    public Point()
    {
        x=1;
        y=1;
    }
    public Point(int x1, int y1)
    {
        x=x1;
        y=y1;
    }
    public int GetX()
    {
        return x;
    }
    public int GetY()
    {
        return y;
    }
    public void SetX(int x1)
    {
        x=x1;
    }
    public void SetY(int y1)
    {
        y=y1;
    }
    public void translateX(int t1)
    {
        x = x+t1;
    }
    public void translateY(int t2)
    {
        y = y+t2;
    }
    public static double calcdistance(int x, int x1, int y, int y1)
    {
       return Math.sqrt((x-x1)*(x-x1)+(y-y1)*(y-y1));
    }
    public static double calcSlope(double x, double x1, double y, double y1)
    {
        return (y1-y)/(x1-x);
    }
}