public interface Fruit { 
  void printInfo(); 
} 

public class Apple implements Fruit{ 
  @Override 
  public void printInfo() { 
    // TODO Auto-generated method stub 
    System.out.println("苹果"); 
  } 
} 

public class Banana implements Fruit{ 
  @Override 
  public void printInfo() { 
    // TODO Auto-generated method stub 
    System.out.println("香蕉"); 
  } 
} 

public class Orange implements Fruit{ 
  @Override 
  public void printInfo() { 
    // TODO Auto-generated method stub 
    System.out.println("橙子"); 
  } 
} 

public interface Vegetable { 
  public void printInfo(); 
} 

public class Tomato implements Vegetable{ 
  @Override 
  public void printInfo() { 
    // TODO Auto-generated method stub 
    System.out.println("西红柿"); 
  } 
} 

public class Cabbage implements Vegetable{ 
  @Override 
  public void printInfo() { 
    // TODO Auto-generated method stub 
    System.out.println("白菜"); 
  } 
} 

public class Eggplant implements Vegetable{ 
  @Override 
  public void printInfo() { 
    // TODO Auto-generated method stub 
    System.out.println("茄子"); 
  } 
} 

public class FruitFactory extends PlantFactory{ 
  public static final int APPLE=1; 
  public static final int BANANA=2; 
  public static final int ORANGE=3; 
  @Override 
  public Fruit getFruit(int fruitType){ 
    if(fruitType==APPLE){ 
      return new Apple(); 
    } 
    if(fruitType==BANANA){ 
      return new Banana(); 
    } 
    if(fruitType==ORANGE){ 
      return new Orange(); 
    } 
    return null; 
  } 
  @Override 
  Vegetable getVegetable(int vegetableType) { 
    // TODO Auto-generated method stub 
    return null; 
  } 
} 

public class VegetableFactory extends PlantFactory { 
  public static final int CABBAGE=1; 
  public static final int TOMATO=2; 
  public static final int EGGPLANT=3; 
  @Override 
  Fruit getFruit(int fruitType) { 
    // TODO Auto-generated method stub 
    return null; 
  } 
  @Override 
  public Vegetable getVegetable(int vegetableType) { 
    // TODO Auto-generated method stub 
    if(vegetableType==CABBAGE){ 
      return new Cabbage(); 
    } 
    if(vegetableType==TOMATO){ 
      return new Tomato(); 
    } 
    if(vegetableType==EGGPLANT){ 
      return new Eggplant(); 
    }     
    return null; 
  } 
} 

public abstract class PlantFactory { 
  abstract Fruit getFruit(int fruitType); 
  abstract Vegetable getVegetable(int vegetableType); 
} 

public class Plantation { 
  public static final int FRUIT=1; 
  public static final int VEGETABLE=2; 
  public static PlantFactory getFactory(int factoryType){ 
    if(factoryType==FRUIT){ 
      return new FruitFactory(); 
    } 
    if(factoryType==VEGETABLE){ 
      return new VegetableFactory(); 
    } 
    return null; 
  } 
} 

public static void main(String[] args) { 
  // TODO Auto-generated method stub 
 
  FruitFactory fruitFactory=(FruitFactory)Plantation.getFactory(Plantation.FRUIT);     
  Apple apple=(Apple) fruitFactory.getFruit(FruitFactory.APPLE); 
  apple.printInfo(); 
   
  VegetableFactory vegetableFactory=(VegetableFactory)Plantation.getFactory(Plantation.VEGETABLE); 
  Tomato tomato=(Tomato) vegetableFactory.getVegetable(VegetableFactory.TOMATO); 
  tomato.printInfo(); 
} 

苹果
西红柿