#Animal.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

import java.util.Scanner;

/**
 *
 * @author diepvan
 */
public abstract class Animal implements ISound{
    String name, foodType;

    public Animal() {
    }

    public Animal(String name, String foodType) {
        this.name = name;
        this.foodType = foodType;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getFoodType() {
        return foodType;
    }

    public void setFoodType(String foodType) {
        this.foodType = foodType;
    }
    
    public void input() {
        Scanner scan = new Scanner(System.in);
        
        System.out.println("Nhap ten: ");
        name = scan.nextLine();
        System.out.println("Nhap thuc an: ");
        foodType = scan.nextLine();
    }

    @Override
    public String toString() {
        return "Animal{" + "name=" + name + ", foodType=" + foodType + '}';
    }
    
    public void display() {
        System.out.println(this);
    }
    
    public abstract void showSound();
}

#Car.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

/**
 *
 * @author diepvan
 */
public class Car implements ISound{
    @Override
    public void showSound() {
        System.out.println("... xin chao ...");
    }
}

#Cat.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

/**
 *
 * @author diepvan
 */
public class Cat extends Animal{

    @Override
    public void showSound() {
        System.out.println("Meo .. meo ...");
    }
    
}

#Dog.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

/**
 *
 * @author diepvan
 */
public class Dog extends Animal{

    @Override
    public void showSound() {
        System.out.println("Go .. go ..");
    }
    
}

#ISound.java

/*
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 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

/**
 *
 * @author diepvan
 */
public interface ISound {
    void showSound();
}

#Main.java

/*
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 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

/**
 *
 * @author diepvan
 */
public class Main {
    public static void main(String[] args) {
        //T/c truu tuong
        
        Dog dog = new Dog();
        dog.showSound();
        
        Cat cat = new Cat();
        cat.showSound();
        
        Tiger t = new Tiger();
        t.showSound();
    }
}

#Student.java

/*
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 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

/**
 *
 * @author diepvan
 */
public class Student implements ISound{
    @Override
    public void showSound() {
        System.out.println("... abc ...");
    }
}

#Test.java

/*
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 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package com.gokisoft.lesson05;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author diepvan
 */
public class Test {
    public static void main(String[] args) {
        List<Animal> animals = new ArrayList<>();
        animals.add(new Cat());
        animals.add(new Dog());
        animals.add(new Tiger());
        
        for (Animal animal : animals) {
            animal.showSound();
        }
        
        //Cach nao su dung 1 mang -> Quan ly dc tat ca cac doi tuong Animal, Cat, Dog, Tiger, Student, Car
        //Interface: 
        List<ISound> list = new ArrayList<>();
        list.add(new Cat());
        list.add(new Tiger());
        list.add(new Student());
        
        for (ISound iSound : list) {
            iSound.showSound();
        }
    }
}

#Tiger.java

/*
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 */
package com.gokisoft.lesson05;

/**
 *
 * @author diepvan
 */
public class Tiger extends Animal{

    @Override
    public void showSound() {
        System.out.println("Tiger .. tiger ...");
    }
    
}