This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
What is the number returned by getID() of the class java.awt.AWTEvent API says getID() returns the type of an event. What is meant by "type of an event" ? How do we know what are the different "types" correlating to the integers(int) returned by getID()
The event handling model in Java changed with the release of JDK 1.1 five years ago or so. Before that, event handling used the Event object id field like so:
That example is from the handleEvent() method in an old JDK 1.0 example program from Sun. Nowadays we use Adapters or Listeners to catch and handle the events of interest without resorting to stuff like that. (We had to ask the event what its target was, too.) If you are interested in that older stuff, Sun still has the examples available online. http://java.sun.com/docs/books/chanlee/first_edition/examples.html I suggest you work through their online Java tutorial. It really is a good introduction to Java, and the online version is free. It can answer questions like this and your other post on enableEvents() without you having to wait and check for replies and wait and check for replies and wait... http://java.sun.com/docs/books/tutorial/ HTH, Joe