[JAVA] Mediator Pattern

Mediator holds a class instance managed by Mediator in the field, and a class managed by Mediato holds an instance of Mediator and uses Mediator's method.

Mediator Gets the class status from the managed class instance and performs processing according to the status </ font>

Design Pattarm MENU

Check with the following class structure

class	Explanation
Mediator.class	Hold an instance of the class you want to manage
menber.class	men1.class~men2.class super Has a Mediator class chest
user(Main.class)	Operation check

User Includes the meaning that other developers use this pattern

`Mediator.class`


class Mediator{
  menber men1 = new men1(),
         men2 = new men2();
  String check(menber menber){
         if(menber.str == men1.str){return "men1";}
         else{return "men2";}
  }
}

`menber.class`


class menber{
  Mediator mediator;
  String   str;
  menber(String str){this.str =str;}
  void set(){this.mediator=new Mediator();}
}

`men.class`


class men1 extends menber{ men1(){super("men1");}}
class men2 extends menber{ men2(){super("men2");}

`user(Main.class)`


public static void main(String[] args){
    menber m1 = new men1();
    m1.set();
    String res = m1.mediator.check(m1);
    System.out.println(res);
}