オブジェクト指向講座_サンプル1

gistfile1.java

import java.util.*;

class Main{
	public static void main(String[] args){
		Dog dogA = new Dog();
		dogA.bark();
		dogA.paw();
		
		Bird birdA = new Bird();
		birdA.age = 5;
		System.out.println(birdA.age);
	}
}

class Animal{
	public int age;
	public void bark(){
		System.out.println("鳴く");
	}
}

class Dog extends Animal{
	public int hairColor;
	public void paw(){
		System.out.println("お手をする");
	}
}

class Bird extends Animal{
	public int beakColor;
	public void peck(){
		System.out.println("ついばむ");
	}
}