Find the nearest n-th power of 2

public class Test {

    public static void main(String[] args) {
        System.out.println(ceilingPowerOfTwo(1));
        System.out.println(ceilingPowerOfTwo(3));
        System.out.println(ceilingPowerOfTwo(5));
        System.out.println(ceilingPowerOfTwo(7));
        System.out.println(ceilingPowerOfTwo(13));
        System.out.println(ceilingPowerOfTwo(19));
        System.out.println(ceilingPowerOfTwo(27));
    }

    public static int ceilingPowerOfTwo(int x){
        return 1 << 32 - Integer.numberOfLeadingZeros(x - 1);
    }
}

among Integer.numberOfLeadingZeros Find a number with a continuous number on the left 0 The number of