29 lines
549 B
Java
29 lines
549 B
Java
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//: staticchecking/petspeak/PetSpeak.java
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// Speaking pets in Java
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package staticchecking.petspeak;
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interface Pet {
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void speak();
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}
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class Cat implements Pet {
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public void speak() {
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System.out.println("meow!");
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}
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}
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class Dog implements Pet {
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public void speak() {
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System.out.println("woof!");
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}
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}
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public class PetSpeak {
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static void command(Pet p) { p.speak(); }
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public static void main(String[] args) {
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Pet[] pets = { new Cat(), new Dog() };
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for(int i = 0; i < pets.length; i++)
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command(pets[i]);
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}
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} ///:~
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