装饰设计模式

/*
装饰设计模式：
当想要对已有的对象进行功能增强时，
可以定义类，将已有对象传入，基于已有的功能，并提供加强功能。
那么自定义的该类称为装饰类。

装饰类通常会通过构造方法接收被装饰的对象。


并基于被装饰的对象的功能，提供更强的功能。
*/
class Person
{
public void chifan()
{
System.out.println("吃饭");
}
}

class SuperPerson
{
private Person p;
SuperPerson(Person p)
{
this.p = p;
}
public void superChifan()
{
System.out.println("开胃酒");
p.chifan();
System.out.println("甜点");
System.out.println("来一根");

}
}


class  PersonDemo
{
public static void main(String[] args) 
{
Person p = new Person();
SuperPerson sp = new SuperPerson(p);
sp.superChifan();
}
}
class SuperPerson
{
private Person p;
SuperPerson(Person p)
{
this.p = p;
}
public void superChifan()
{
System.out.println("开胃酒");
p.chifan();
System.out.println("甜点");
System.out.println("来一根");

}
}


class  PersonDemo
{
public static void main(String[] args) 
{
Person p = new Person();
SuperPerson sp = new SuperPerson(p);
sp.superChifan();
}
}
class SuperPerson
{
private Person p;
SuperPerson(Person p)
{
this.p = p;
}
public void superChifan()
{
System.out.println("开胃酒");
p.chifan();
System.out.println("甜点");
System.out.println("来一根");
}
}


class  PersonDemo
{
public static void main(String[] args) 
{
Person p = new Person();
SuperPerson sp = new SuperPerson(p);
sp.superChifan();
}
}
}
}

class  PersonDemo
{
public static void main(String[] args) 
{
Person p = new Person();
SuperPerson sp = new SuperPerson(p);
sp.superChifan();
}
}
class  PersonDemo
{
public static void main(String[] args) 
{
Person p = new Person();
SuperPerson sp = new SuperPerson(p);
sp.superChifan();
}
}
class  PersonDemo
{
public static void main(String[] args) 
{
Person p = new Person();
SuperPerson sp = new SuperPerson(p);
sp.superChifan();
}
}