num.reverse code example

Example 1: reverse number in java

public class ReverseNumber {
    public static void main(String[] args) {
        int num = 1234, reversed = 0;

        while(num != 0) {
            int digit = num % 10;
            reversed = reversed * 10 + digit;
            num = num / 10;
        }
        System.out.println("Reversed Number: " + reversed);
}}

Example 2: print reverse number

void printReverse(int n) {
  if (n < 1) return;
  cout << n << endl;
  printReverse(n - 1);
}

printReverse(10);  /// 10 9 8 7 6 5 4 3 2 1