//Given a signed 32-bit integer x, return x with its digits reversed.

//If reversing x causes the value to go outside the signed 32-bit integer range [-231, 231 - 1], then return 0.

//Assume the environment does not allow you to store 64-bit integers (signed or unsigned).

class Solution {

public int reverse(int x) {

//create a temp variable to store the reverse value

long temp = 0;

//while there are still digits of x, add onto temp

while(x != 0){

int digit = x % 10; //separate the last digit of x to add onto temp

temp = temp * 10 + digit; //add digit to temp

x = x /10; //truncate the last digit of x

}

//"if reversing x causes the value to go outside the signed 32-bit integer range, return 0"

//check to see if reversing x causes the value to go outside the signed range

if (temp > Integer.MAX_VALUE || temp < Integer.MIN_VALUE) {

return 0; //return 0 if so

}

//return temp as the reversed int!

return (int)temp;

}

}