Reverse Integer

Reverse digits of an integer.

Example1: x = 123, return 321

Example2: x = -123, return -321

time=272ms accepted

public class Solution {

   public int reverse(int x) {

		long recv=0;

		int mod=0;

		int xabs=Math.abs(x);

		while(xabs>0){

			mod=xabs%10;

			recv=recv*10+mod;

			xabs/=10;

			if(recv>(Math.pow(2, 31)-1))

				return 0;

		}

		if(x<0)

			recv=-recv;

		return (int)recv;

	}

}