class rev_dig
{
public static void main(int n)
{
int k=0;
while(n!=0)
{
k=k*10+(n%10);
n/=10;
}
System.out.println("Reverse of the digits is="+k);
}
}
{
public static void main(int n)
{
int k=0;
while(n!=0)
{
k=k*10+(n%10);
n/=10;
}
System.out.println("Reverse of the digits is="+k);
}
}

Thanks for This Code for Reverse a number Program in Java It's helpful for write any reverse number program in Java.