class Main { public static void main(String[] args) { // ABCDEFGH int all_ones = 0x77; // 01110111 int bit14 = 0xAA; // 10101010 int is14on = all_ones & bit14; System.out.println( Integer.toBinaryString(is14on) ); if (is14on != 0) { System.out.printf("yes it's on!\n"); } } }