Assignment #93 and Distance Formula

Code

    /// Name: Brendan Baird
    /// Period: 6
    /// Program Name: Distance Formula
    /// File Name: DistanceFormula.java
    /// Date Finished: 12/18/2015
    
    public class DistanceFormula
    {
    	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;
            
            d = Math.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
            
            return d;
    	}
    }
    

Picture of the output