Assignemnt #93 and DistanceFormula

Code

      ///Name: Brian Phillips
      ///Period:5
      ///Project Name: Distance Formula
      ///File Name:DistanceFormula.java
      ///4/1/16
      
      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 )
      	{
      		// put your code here
              double a,b,c;
              a= x2-x1;
              a= Math.pow(a,2);
              b= y2-y1;
              b= Math.pow(b,2);
              c= a+b;
              c=Math.sqrt(c);
              return c;
      	}
      }
    

Picture of the output