Java 抽象工厂模式

package com.product;

public interface Fruit {

public void get();
}

package com.product;

/**
* 抽象苹果类
* @author Owner
*
*/
public abstract class Apple implements Fruit{

}

package com.product;

/**
* 抽象香蕉类
* @author Owner
*
*/
public abstract class Banana implements Fruit{

}

package com.product;

/**
* 具体产品类，北方苹果类
* @author Owner
*
*/
public class NorthApple extends Apple {

@Override
public void get() {
System.out.println("采摘北方苹果类");

}

}

package com.product;

/**
* 北方香蕉类
* @author Owner
*
*/
public class NorthBanana extends Banana {

@Override
public void get() {
System.out.println("采摘北方香蕉");

}

}

package com.product;

/**
* 南方苹果类
* @author Owner
*
*/
public class SourthApple extends Apple {

@Override
public void get() {
System.out.println("采摘南方苹果");

}

}

package com.product;

/**
* 南方香蕉类
* @author Owner
*
*/
public class SourthBanana extends Banana {

@Override
public void get() {
System.out.println("采摘南方香蕉");

}

}

package com.product;

/**
* 水果工厂接口
* @author Owner
*
*/
public interface FruitFactory {

/**
* 获取苹果
*/
public Fruit getApple();

/**
* 获取香蕉
*/
public Fruit getBanana();
}

package com.product;

/**
* 对应的产品族，北方工厂类,主要生产北方苹果对象，和北方香蕉对象
* @author Owner
*
*/
public class NorthFactory implements FruitFactory {

@Override
public Fruit getApple() {

return new NorthApple();
}

@Override
public Fruit getBanana() {

return new NorthBanana();
}

}

package com.product;

/**
* 南方工厂类，主要生产南方苹果，和，南方香蕉
* @author Owner
*
*/
public class SourthFactory implements FruitFactory {

@Override
public Fruit getApple() {
return new SourthApple();
}

@Override
public Fruit getBanana() {
return new SourthBanana();
}

}

package com.product;

/**
* 顾客类
* @author Owner
*
*/
public class Customer {

public static void main(String[] args) {
//获取北方工厂，生产北方苹果实体和北方香蕉实体
FruitFactory northFactory = new NorthFactory();

Fruit northApple = northFactory.getApple();

Fruit northBanana = northFactory.getBanana();

northApple.get();

northBanana.get();

//同理，获取南方工厂，生产南方苹果实体和南方香蕉实体
FruitFactory sourthFactory = new SourthFactory();

Fruit sourthApple = sourthFactory.getApple();

Fruit sourthBanana = sourthFactory.getBanana();

sourthApple.get();

sourthBanana.get();
}
}

采摘北方苹果类
采摘北方香蕉
采摘南方苹果
采摘南方香蕉