How do i write this in java...?

[johnny7white]

..........?

[hardwired]

        int n = 10;
        double[] radians = { 0, Math.PI/6, Math.PI/4, Math.PI/3, Math.PI/2 };
        System.out.println("For n = " + n);
        for(int j = 0; j < radians.length; j++) {
            double d = 1.0;
            int sign = -1;
            for(int k = 2; k <= n; k += 2) {
                d += sign * Math.pow(radians[j], k)/factorial(k);
                sign *= -1;
            }
            System.out.printf("radians[%d] = %.3f  cos(%4.1f) = %8f  d = %f%n",
                               j, radians[j], Math.toDegrees(radians[j]),
                               Math.cos(radians[j]), d);
        }
    }

    private static int factorial(int n) {
        if(n == 0)
            return 1;
        return n*factorial(n-1);
    }