// generics/DogsAndRobots.java
// (c)2020 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// No (direct) latent typing in Java
import typeinfo.pets.*;
class PerformingDog extends Dog implements Performs {
@Override
public void speak() { System.out.println("Woof!"); }
@Override
public void sit() { System.out.println("Sitting"); }
public void reproduce() {}
}
class Robot implements Performs {
public void speak() { System.out.println("Click!"); }
public void sit() { System.out.println("Clank!"); }
public void oilChange() {}
}
class Communicate {
public static