23种设计模式之工厂方法模式

package designMode.factoryMethod;

interface IProduct {
    
    void function1();
    
    void function2();
    
    void function3();
}

package designMode.factoryMethod;

class Product1 implements IProduct{

    @Override
    public void function1() {
        System.out.println("我能实现功能1！");
    }

    @Override
    public void function2() {
        System.out.println("我能实现功能2！");        
    }

    @Override
    public void function3() {
        System.out.println("我能实现功能3！");        
    }

}
class Product2 implements IProduct{
    
    @Override
    public void function1() {
        System.out.println("我也能实现功能1！");
    }
    
    @Override
    public void function2() {
        System.out.println("我也能实现功能2！");        
    }
    
    @Override
    public void function3() {
        System.out.println("我也能实现功能3！");        
    }
    
}

package designMode.factoryMethod;

interface IFactory {
    
    IProduct produce();
    
}

package designMode.factoryMethod;

class Factory1 implements IFactory{

    @Override
    public IProduct produce() {
        return new Product1();
    }

}
class Factory2 implements IFactory{

    @Override
    public IProduct produce() {
        return new Product1();
    }
    
    
    
}

package designMode.factoryMethod;

class Test {
    public static void main(String[] args) {
        //创建产品1工厂
        IFactory f1 = new Factory1();
//        IFactory f2 = new Factory2();
        IProduct p1 = f1.produce();
        
        p1.function1();
        p1.function2();
        p1.function3();
    }
}