抽象工厂模式

interface IProduct1 {
    public void show();
}
interface IProduct2 {
    public void show();
}
 
class Product1 implements IProduct1 {
    public void show() {
        System.out.println("这是1型产品");
    }
}
class Product2 implements IProduct2 {
    public void show() {
        System.out.println("这是2型产品");
    }
}
 
interface IFactory {
    public IProduct1 createProduct1();
    public IProduct2 createProduct2();
}
class Factory implements IFactory{
    public IProduct1 createProduct1() {
        return new Product1();
    }
    public IProduct2 createProduct2() {
        return new Product2();
    }
}
 
public class Client {
    public static void main(String[] args){
        IFactory factory = new Factory();
        factory.createProduct1().show();
        factory.createProduct2().show();
    }
}