Charge Client.java in pgm

ChargeClient.java

public class ChargeClient

 {

             public static void main(String[] args)

{

        double x = Double.parseDouble(args[0]);

        double y = Double.parseDouble(args[1]);

        Charge c1 = new Charge(.51, .63, 21.3);

        Charge c2 = new Charge(.13, .94, 81.9);

        System.out.println(c1);

        System.out.println(c2);

        double v1 = c1.potentialAt(x, y);

        double v2 = c2.potentialAt(x, y);

        StdOut.println(v1+v2);

        StdOut.printf("%.2E\n", v1+v2);

    }

}