Assignemnt #93 and Distance Formula

Code

    
/// Name: David Shkolnikov
/// Period: 6
/// Program Name: Distance Formula
/// File Name: DistanceFormula.java
/// Date Finished: 3/21/2016

public class DistanceFormula
{
	public static void main( String[] args )
	{
		// test the formula a bit
		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 a, b, D;
        
        a = x2 - x1;
        b = y2 - y1;
        D = Math.sqrt( a*a + b*b );
        
        return D;
	}
}

    

Picture of the output