/**

* Java. Level 1. Lesson 6. Example of homework

*

* @author Sergey Iryupin

* @version dated Jul 30, 2018

* @link https://github.com/<your_nic> || null

*/

class HW6Lesson {

public static void main(String[] args) {

Animal[] animals = {new Cat(200, 2), new Dog(500, 0.5f, 10)};

for (Animal animal : animals)

System.out.println(

animal.getClass().getName() +

"\nrun: " + animal.run(200) +

"\njump: " + animal.jump(1.5f) +

"\nswim: " + animal.swim(5));

}

}

class Cat extends AnimalImpl {

Cat(int run_limit, float jump_limit, int swim_limit) {

super(run_limit, jump_limit, swim_limit);

}

Cat(int run_limit, float jump_limit) {

super(run_limit, jump_limit, -1);

}

@Override

public boolean swim(int distance) {

return false; // cats cannot swim (by the condition of task)

}

}

class Dog extends AnimalImpl {

Dog(int run_limit, float jump_limit, int swim_limit) {

super(run_limit, jump_limit, swim_limit);

}

}

interface Animal {

boolean run(int distance);

boolean jump(float height);

boolean swim(int distance);

}

abstract class AnimalImpl implements Animal {

protected int run_limit;

protected float jump_limit;

protected int swim_limit;

AnimalImpl(int run_limit, float jump_limit, int swim_limit) {

this.run_limit = run_limit;

this.jump_limit = jump_limit;

this.swim_limit = swim_limit;

}

public boolean run(int distance) {

return distance <= run_limit;

}

public boolean jump(float height) {

return height <= jump_limit;

}

public boolean swim(int distance) {

return distance <= swim_limit;

}

}