7. Reverse Integer

Reverse digits of an integer.

Example1: x = 123, return 321
Example2: x = -123, return -321

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Note:
The input is assumed to be a 32-bit signed integer. Your function should return 0 when the reversed integer overflows.

public class Solution {    public int reverse(int x) {        if(x == 0)            return 0;        int result = 0;        while(x != 0){            if(result > Integer.MAX_VALUE / 10 || result < Integer.MIN_VALUE / 10)                return 0;            result = result * 10 + x % 10;            x /= 10;        }        return result;    }}