Driver.java

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

public class Driver {
    public static void main(String[] args) {
	Loops a = new Loops();
	/*
	System.out.println(a.fact(3));
	System.out.println(b.fact(5));
	System.out.println(c.fact(7));

	System.out.println(" ");
	System.out.println("--------------------");
	System.out.println(" ");

	System.out.println(a.fact2(3));
	System.out.println(b.fact2(5));
	System.out.println(c.fact2(7));

	System.out.println(" ");
	System.out.println("--------------------");
	System.out.println(" ");
	*/
	/*
	System.out.println(a.gcd(10, 12));
	System.out.println(a.gcd(15, 10));
	System.out.println(a.gcd(7, 9));

	System.out.println(" ");
	System.out.println("--------------------");
	System.out.println(" ");

	System.out.println(a.gcd(10, 12));
	System.out.println(a.gcd(15, 10));
	System.out.println(a.gcd(7, 9));

	System.out.println(" ");
	System.out.println("--------------------");
	System.out.println(" ");

	System.out.println(a.prime(13));
	System.out.println(a.prime(10));
	System.out.println(a.prime(997));
	*/
	a.reverse("hello");
    }
}