设计模式-简单工厂

public interface Product {
    public void viewColor();
    public void viewName();
}

public class ConcreteProduct_A implements Product {

    @Override
    public void viewColor() {
        System.out.println("view ConcreateProduct_A color");

    }

    @Override
    public void viewName() {
        System.out.println("view ConcreateProduct_A name");

    }

}

public class ConcreteProduct_B implements Product {

    @Override
    public void viewColor() {
        System.out.println("view ConcreateProduct_B color");

    }

    @Override
    public void viewName() {
        System.out.println("view ConcreateProduct_B name");

    }
}

public class ProductFactory {
    public static Product CreateInstance(String type){
        Product result=null;
        switch (type)
        {
            case "A":
                result  =new ConcreteProduct_A();
                break;
            case "B":
                result = new ConcreteProduct_B();
                break;
            
        }
        return result;
    }
}