Sqrt.java in pgm

Sqrt.java

public class Sqrt 

{ 

 public static void main(String[] args) 

{ 

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

        double epsilon = 1e-15;    

        double t = c;            

                     while (Math.abs(t - c/t) > epsilon*t) 

        {

            t = (c/t + t) / 2.0;

        }

                     System.out.println(t);

    }

              }