How to write an EventAdapter, EventListener of own?

I am going to write a program as follow:

class A() extends ???
{
...
  B b = new B();
  b.addMyListener(new MyEventAdapter(){
    public void handleMyEvent1(){
      doSomework();
    }
  });
};

...

class B() extends ???
{
...
...
  line = readTextFromFile(f);  
  if(line.equals("OK"))
   this.fireMyEvent1(MyEvent.EVENI1);
...
...
}

My question: how can I write the so-called MyEvent, MyEventAdapter and even the MyListener etc.?

chenweiAsked:
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CEHJCommented:
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jprgnCommented:
for creating your event you have 2 make ur interface and its adapter implementation your self, if you r well in making u can do it :)
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objectsCommented:
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