labrab1_2

package labrab1_2;

public class LabRab1_2 {

    public static void main(String[] args) {
        int in = 135;
        System.out.println(getBinary(in));
    }

    private static String getBinary(int num){
        StringBuilder in = new StringBuilder();
        for (int i = 0; i < 31; i++) {

            if ((num&1) == 1){
                in.append("1");
            }
            if ((num&1) != 1) {
                in.append("0");
            }
            num = (num >> 1);
            if (i == 7 || i == 15 || i == 23) in.append(" ");
        }
        in.reverse();
        return in.toString();
    }
}