2. Use recursion to write a method to calculate the sum of a positive integer's digit(s)...

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2. Use recursion to write a method to calculate the sum of a positive integer's digit(s) entered by a user. The class name is: Final_P2. Sample Input and Output: Enter a positive integer: 500 The sum of digits of that number is 5. Enter a positive integer: 67013 The sum of digits of that number is 17. 2. Use recursion to write a method to calculate the sum of a positive integer's digit(s) entered by a user. The class name is: Final_P2. Sample Input and Output: Enter a positive integer: 500 The sum of digits of that number is 5. Enter a positive integer: 67013 The sum of digits of that number is 17.