2020-04-22 상속클래스, 파생클래스

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Animal Class

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace Study_014_2
{
    class Animal
    {
 
        protected string name;
        public Animal(string name)
        {
            this.name = name;
            Console.WriteLine("Animal 클래스 생성자 호출");
        }
 
        public virtual void Bark()
        {
            Console.WriteLine("흐엉엉");
        }
 
        public string GerName()
        {
            return this.name;
        }
 
    }
}
 

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Dog Class

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace Study_014_2
{
    class Dog : Animal
    {
        public Dog(string name) : base(name)
        {
            this.name = name;
        }
 
        public override void Bark()
        {
            //base.Bark();
            Console.WriteLine("멍멍");
        }
    }
}
 

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Cat Class

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace Study_014_2
{
    class Cat : Animal
    {
        public Cat(string name) : base(name)
        {
            this.name = name;
            Console.WriteLine(this.name + "이 생성되었습니다.");
            //파생클래스에서 this.를 사용하고 base.을 안쓰는이유 : 
            //파생클래스에서 같은 이름을 가진 변수가 재정의 될수 있기때문에
            //그렇게 되면 부모클래스의 name과 파생클래스의 
        }
 
        public override void Bark()
        {
            //base.Bark();
            Console.WriteLine("양옹");
        }
    }
}
 

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App Class

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace Study_014_2
{
    class App
    {
        public App()
        {
            Cat cat = new Cat("또리");
            Dog dog = new Dog("뽀삐");
 
            cat.Bark();
            string catName = cat.GerName();
 
            dog.Bark();
            string dogName = dog.GerName();
 
        }
    }
}
 

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상속 && 파생 클래스를 배웠다.