Java tutorial
public class Main { public static void main(String[] args) { double d1 = 12, d2 = 0.0; System.out.println("value in radian of " + d1 + " = " + StrictMath.toRadians(d1)); System.out.println("value in radian of " + d2 + " = " + StrictMath.toRadians(d2)); } }