Assignment #93 and Distance Formula

Code

        //Name: Mark Katz
    ///Period: 6
    ///Program Name: Distance Formula
    ///File Name: distance.java
    ///Date Finished: 11/17/15 
public class distance
{
	public static void main( String[] args )
	{
		
		double d1 = distance(-2, 1, 1, 5);
		System.out.println(" (-2,1) to (1,5) => " + d1 );
 
		double d2 = distance(-2,-3 , -4,4);
		System.out.println(" (-2,-3) to (-4,4) => " + d2 );
 
		System.out.println(" (2,-3) to (-1,-2) => " + distance(2,-3,-1,-2) );
 
		System.out.println(" (4,5) to (4,5) => " + distance(4,5,4,5) );
	}
 
	public static double distance(  int x1, int y1, int x2, int y2 )
    {
        double D = Math.sqrt(((x2 - x1)*(x2 - x1)) + ((y2 - y1)*(y2 - y1)));
        return D;
            

}
}
    

Picture of the output