Day 8 - Problem 2 - Solution

public class Solution {
    // you need treat n as an unsigned value
    public int reverseBits(int n) {
        
        int result = 0;
        
        for(int i=0;i<32;i++){
            result = result<<1;
            result = result + (n&1);
            n = n>>1;
        }
        return result;
    }
}