Java 深入探究讲解工厂方法模式

/**
 * 抽象工厂：提供具体工厂的共有方法
 */
public interface Product {
    public void show();
}
​
public class ConcreteProduct1 implements Product {
    @Override
    public void show() {
        System.out.println("具体产品1展示...");
    }
}
​
public class ConcreateProduct2 implements Product {
    @Override
    public void show() {
        System.out.println("具体产品2展示...");
    }
}
​
​
/**
 * 抽象工厂
 */
public interface AbstractFactory {
    public Product createProduct();
}
​
/**
 * 具体工厂1产生具体产品1
 */
public class ConcreteFactory1 implements AbstractFactory {
    @Override
    public Product createProduct() {
        ConcreteProduct1 concreteProduct1 = new ConcreteProduct1();
        System.out.println("具体工厂1创建具体产品1...");
        return concreteProduct1;
    }
    
public class ConcreteFactory2 implements AbstractFactory {
    @Override
    public Product createProduct() {
        System.out.println("具体工厂2产生具体产品2...");
        return new ConcreateProduct2();
    }
}

        //获取具体产品1
        Product product = new ConcreteFactory1().createProduct();
        product.show();
​
        Product product1 = new ConcreteFactory2().createProduct();
        product1.show();