201. Bitwise AND of Numbers Range java solutions

Given a range [m, n] where 0 <= m <= n <= 2147483647, return the bitwise AND of all numbers in this range, inclusive.

For example, given the range [5, 7], you should return 4.

Credits:
Special thanks to @amrsaqr for adding this problem and creating all test cases.

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 1 public class Solution {
 2     public int rangeBitwiseAnd(int m, int n) {
 3         int i = 0;
 4         while(m != n){
 5             m >>= 1;
 6             n >>= 1;
 7             i++;
 8         }
 9         return (m << i);
10     }
11 }