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棠下手机网站建设电话,凡科小程序,十堰做网站最好的公司,263企业邮箱入口登录方法Gof23 设计模式,也叫Gang of Four(GoF)设计模式,是由四位设计模式大师(Erich Gamma、Richard Helm、Ralph Johnson 和 John Vlissides)撰写的一本书——《设计模式:可复用面向对象软件的基础》所…

Gof23 设计模式,也叫Gang of Four(GoF)设计模式,是由四位设计模式大师(Erich Gamma、Richard Helm、Ralph Johnson 和 John Vlissides)撰写的一本书——《设计模式:可复用面向对象软件的基础》所引起的热潮,它提出了23种软件设计模式,这些模式可以帮助开发人员更好地理解、设计和实现一个软件系统。

这23种模式分为三类:创建型模式(Creational Patterns)、结构型模式(Structural Patterns)和行为型模式(Behavioral Patterns)。

创建型模式:

1. 工厂方法模式(Factory Method)

2. 抽象工厂模式(Abstract Factory)

3. 单例模式(Singleton)

4. 建造者模式(Builder)

5. 原型模式(Prototype)

结构型模式:

1. 适配器模式(Adapter)

2. 桥接模式(Bridge)

3. 组合模式(Composite)

4. 装饰器模式(Decorator)

5. 外观模式(Facade)

6. 享元模式(Flyweight)

7. 代理模式(Proxy)

行为型模式:

1. 责任链模式(Chain of Responsibility)

2. 命令模式(Command)

3. 解释器模式(Interpreter)

4. 迭代器模式(Iterator)

5. 中介者模式(Mediator)

6. 备忘录模式(Memento)

7. 观察者模式(Observer)

8. 状态模式(State)

9. 策略模式(Strategy)

10. 模板方法模式(Template Method)

11. 访问者模式(Visitor)

以下是各个模式的代码 Demo:

工厂方法模式:

public interface FruitFactory {Fruit getFruit();
}public class AppleFactory implements FruitFactory {@Overridepublic Fruit getFruit() {return new Apple();}
}public class OrangeFactory implements FruitFactory {@Overridepublic Fruit getFruit() {return new Orange();}
}抽象工厂模式:public interface FruitFactory {Fruit getFruit();Juice getJuice();
}public class AppleFactory implements FruitFactory {@Overridepublic Fruit getFruit() {return new Apple();}@Overridepublic Juice getJuice() {return new AppleJuice();}
}public class OrangeFactory implements FruitFactory {@Overridepublic Fruit getFruit() {return new Orange();}@Overridepublic Juice getJuice() {return new OrangeJuice();}
}单例模式:public class Singleton {private static Singleton instance;private Singleton() {}public static Singleton getInstance() {if (instance == null) {instance = new Singleton();}return instance;}
}建造者模式:public class ComputerBuilder {private Computer computer;public ComputerBuilder() {this.computer = new Computer();}public ComputerBuilder setCpu(String cpu) {this.computer.setCpu(cpu);return this;}public ComputerBuilder setRam(String ram) {this.computer.setRam(ram);return this;}public ComputerBuilder setStorage(String storage) {this.computer.setStorage(storage);return this;}public Computer build() {return this.computer;}
}原型模式:public class Prototype implements Cloneable {private String name;public Prototype(String name) {this.name = name;}@Overridepublic Object clone() throws CloneNotSupportedException {return super.clone();}public String getName() {return name;}public void setName(String name) {this.name = name;}
}

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