Program to Reverse a number in java

class Reverse
{
public static void main(String args[ ])
{
int rev=0; // Initializing a variable
int temp;
int n = 432;
while(n!=0)
{
temp = n%10;
rev = rev * 10 + temp ;
n = n/10;
}
System.out.println("The Reverse of the number "+n+" is : "+ rev);
}
}

OUTPUT :

The Reverse of the number 432 is : 234