multiple of two

    for (int x = 0; x < 100; x++) {
      boolean notZero = x != 0;
      int previous = x - 1;
      int and = x & previous;
      boolean isMultipleOfTwo = notZero && (and == 0);
      System.out.println(String.format("%d = %s", x, isMultipleOfTwo));
    }