reversing integer in java code example

Example 1: reverse a integer in java

while(num != 0) 
{
   int digit = num % 10;
   reversed = reversed * 10 + digit;
   num /= 10;
}

Example 2: how to reverse a number in java

int rev= 0;
while(num > 9)
{
  rev= rev*10 + num%10;
  num/= 10;
}