package headfirst.adapter.ducks;public class DuckTestDrive {	public static void main(String[] args) {		MallardDuck duck = new MallardDuck(); 		WildTurkey turkey = new WildTurkey();		Duck turkeyAdapter = new TurkeyAdapter(turkey);   		System.out.println("The Turkey says...");		turkey.gobble();		turkey.fly(); 		System.out.println("\nThe Duck says...");		testDuck(duck);  		System.out.println("\nThe TurkeyAdapter says...");		testDuck(turkeyAdapter);	} 	static void testDuck(Duck duck) {		duck.quack();		duck.fly();	}}