Sin.java in a pgm

Sin.java

public class Sin

{

public static void main(String[] args)

    {

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

        x = x % (2 * Math.PI);

        double term = 1.0;     

        double sum  = 0.0;     

        for (int i = 1; term != 0.0; i++)

        {

            term *= (x / i);

            if (i % 4 == 1) sum += term;

            if (i % 4 == 3) sum -= term;

        }

        System.out.println(sum);

    }

}