Java program to convert decimal to hexadecimal using recursion code example

Example: Java program to convert decimal to hexadecimal using recursion

// convert decimal to hexadecimal using recursion
import java.util.Scanner;
class DecimalToHexaDemo
{
   char[] charHexa ={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
   int num;
   String strHex = "";
   String hexadecimal(int h)
   {
      if(h != 0)
      {
         num = h % 16;
         strHex = charHexa[num] + strHex;
         h = h / 16;
         hexadecimal(h);
      }
      return strHex;
   }
   public static void main(String[] args)
   {
      DecimalToHexaDemo obj = new DecimalToHexaDemo();
      int decimal;
      Scanner sc = new Scanner(System.in);
      System.out.println("Please enter decimal number: ");
      decimal = sc.nextInt();
      System.out.println("Hexadecimal number is: ");
      String hex = obj.hexadecimal(decimal);
      System.out.println(hex);
      sc.close();
   }
}