import java.io.*; import java.util.*; public class Driver { public static void main(String[] args) { Greeter g,g2; g = new Greeter(); System.out.println(g.greetSad("Tom")); System.out.println(g.greetHappy("Sue")); g2= new Greeter ("Heyo", "Get away"); System.out.println(g2.greetSad("Tom")); System.out.println(g2.greetHappy("Lisa")); } }