Data Structure Lab

Subject: Recursion.

Lab Objectives:

Use recursion method.

Exercise:

1. Write a java program that reads an integer positive number and :

1. Call a method that calculates and returns the factorial of the number iteratively.
2. Call a method that calculates and returns the factorial of the number recursively.

2. Write a java program that reads a string from the user and :

1. Call a method that prints the string iteratively in reverse order.
2. Call a method that prints the string recursively in reverse order.

All in the main