class Program {
    public static String toBin(Byte b) {
        String s1 = String.format("%8s", Integer.toBinaryString(b & 0xFF)).replace(' ', '0');
        return s1;
    }
 
    public static void main(String[] args) {
        byte a = -8;
        System.out.println(Integer.toBinaryString(a));
        System.out.println(Integer.toBinaryString(a>>>1));
        System.out.println(toBin(a));
        a >>>= 1;
        System.out.println(toBin(a));
    }
}

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