>>94 // Kadai3.java public class Kadai3 { public static void main(String[] args) { Naku[] naku = {new Dog(), new Cat(), new Pig()}; for (String s : args) naku[Integer.parseInt(s) - 1].nak(); } } // Naku.java public interface Naku { void nak(); } // Dog.java public class Dog implements Naku { public void nak() { System.out.println("わん"); } } // Cat.java public class Cat implements Naku { public void nak() { System.out.println("にゃー"); } } // Pig.java public class Pig implements Naku { public void nak() { System.out.println("ぶー"); } }
