| 具體的水果工廠實現類 | 具體的蘋果實現類 | 具體的香蕉實現類 | 具體的棗實現類 |
| 中國水果工廠實現類 | 中國蘋果 | 中國香蕉 | 中國棗 |
| 日本水果工廠實現類 | 日本蘋果 | 日本香蕉 | 日本棗 |
以此類推，在工廠的接口中創建所有水果的方法聲明。
public interface IFruit {
public void get();
}
public abstract class AbstractApple implements IFruit{
public abstract void get();
}
public abstract class AbstractBanana implements IFruit{
public abstract void get();
}
public interface IFruitFactory {
public IFruit getApple();
public IFruit getBanana();
}
public class NorthApple extends AbstractApple {
public void get() {
System.out.println("北方蘋果");
}
}
public class NorthBanana extends AbstractBanana {
public void get() {
System.out.println("北方香蕉");
}
}
public class NorthFruitFactory implements IFruitFactory {
public IFruit getApple() {
return new NorthApple();
}
public IFruit getBanana() {
return new NorthBanana();
}
}
public class SouthApple extends AbstractApple {
public void get() {
System.out.println("南方蘋果");
}
}
public class SouthBanana extends AbstractBanana {
public void get() {
System.out.println("南方香蕉");
}
}
public class SouthFruitFactory implements IFruitFactory {
public IFruit getApple() {
return new SouthApple();
}
public IFruit getBanana() {
return new SouthBanana();
}
}