Driver.java

public class Driver {

    public static void main(String [] args){
	For f = new For();
	    System.out.println(f.isPrime(21));
	    System.out.println(f.isPrime(1));
	    System.out.println(f.isPrime(2));
	    System.out.println(f.isPrime(10));
	    System.out.println(f.isPrime(29));
	    System.out.println(f.isPrime(31));
	    System.out.println(f.Reverse("hello"));
	    System.out.println(f.Reverse("a"));
	    System.out.println(f.Reverse("I like trees."));
	    System.out.println(f.table(2,3));
	    System.out.println(f.table(5,3));
    }












}