Driver.java

import java.io.*;
import java.util.*;

public class Driver {
	public void main (String[] args) {
		
	F = new For();
	
	System.out.println(F.Reverse("hello"));
	System.out.println(F.Reverse("Hello"));
	System.out.println(F.Reverse("heLLo"));
	
	System.out.println(F.fact(5));
}
}