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2015-06-15 17:47:35 -07:00
//: staticchecking/petspeak/PetSpeak.java
// <20>2015 MindView LLC: see Copyright.txt
// Speaking pets in Java
package staticchecking.petspeak;
interface Pet {
void speak();
}
class Cat implements Pet {
public void speak() {
System.out.println("meow!");
}
}
class Dog implements Pet {
public void speak() {
System.out.println("woof!");
}
}
public class PetSpeak {
static void command(Pet p) { p.speak(); }
public static void main(String[] args) {
Pet[] pets = { new Cat(), new Dog() };
for(Pet pet : pets)
command(pet);
}
} /* Output:
meow!
woof!
*///:~