When to use EventListenerList instead of a general collection of listeners

Question

When I learned how to fire events in Java, I became familiar with EventListenerList. When I create my own listeners, I write the listener so it extends EventListener, I store th

Answer 1

To me, the major advantage of EventListenerList is if the containing class has (or may have) more than one type of listener. Many Swing components do; the one you're reviewing may not. The second example is shorter, but it has that implicit design limitation.