Java / 2-6 / Conversion

class Conversion {
    public static void main(String[]args){
        byte b;
        int i = 257;
        double d = 456.789;

        System.out.println("\n conversion of int to byte.");
        b = (byte) i;
        System.out.println("i and b "+ i +" "+b);
        System.out.println("\n conversion of double to int.");
        i = (int) d;
        System.out.println(" d and i "+ d +" "+i);
        System.out.println(" \n conversion of double to byte.");
        b = (byte) d;
        System.out.println(" d and b "+ d +" "+b);

    }

}