工厂设计模式

最新推荐文章于 2024-12-04 09:45:54 发布

日出么么哒

最新推荐文章于 2024-12-04 09:45:54 发布

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分类专栏：设计模式

本文链接：https://blog.youkuaiyun.com/sinat_37109615/article/details/61614845

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Animal.java

package com.heima.factory;

public interface Animal {
   public void eat();
}

Cat.java

package com.heima.factory;

public class Cat implements Animal {

	public void eat() {
		System.out.println("猫吃鱼");

	}

}

Dog.java

package com.heima.factory;

public class Dog implements Animal {

	public void eat() {
		System.out.println("狗吃屎");
	}
}

MyFactory.java

package com.heima.factory;
public class MyFactory {
   public static Animal createAnimal(String kind){
	   if(kind.equalsIgnoreCase("cat")){
		   return new Cat();
	   }
	   else if(kind.equalsIgnoreCase("Dog")){
		   return new Dog();
	   }
	   return new Dog();
   }
}

Test.java

package com.heima.factory;

public class Test {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
	Cat cat=(Cat) MyFactory.createAnimal("cat");
	cat.eat();
	Dog dog=(Dog) MyFactory.createAnimal("dog");
	dog.eat();
	}

}