<awangdev>Power of Two_1.java
public boolean isPowerOfTwo(int n) {
        if (n <= 0) {
            return false;
        }
        while (n != 1) {
            if (n % 2 != 0 || n / 2 == 0) {
                return false;
            }
            n/=2;
        }
        return true;
    }
public boolean var_0 ( int var_1 ) {
  if ( var_1 <= 0 ) {
    return false ;
  }
  while ( var_1 != 1 ) {
    if ( var_1 % 2 != 0 || var_1 / 2 == 0 ) {
      return false ;
    }
    var_1 /= 2 ;
  }
  return true ;
}
