Casting Number

public class CastingNumber
{
    public static void main(String[]args)
    {
        double radiusD = 3.1428571428571428571428571428571;
        int radiusI = (int) radiusD;

        System.out.printf("Value of radiusD = %.2e\n",radiusD);
        System.out.printf("Value of radiusI = %d\n",radiusI);

        double d = (double)22/7;
        float f = (float)22/7;
        System.out.println("double 22/7 = "+d);
        System.out.println("float 22/7 = "+f);
    }
}