April 1997
Intermediate to advanced
1074 pages
22h 46m
English
Content preview from Java AWT Reference
19.2 AWTEvent
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19
java.awt Reference
19.1 AWTError
Description
An AWTError; thrown to indicate a serious runtime error.
Class Definition
public class java.awt.AWTError
extends java.lang.Error {
// Constructors
public AWTError (String message);
}
Constructors
AWTError
public AWTError (String message)
| Parameters | message | Detail message |
See Also
Error, String
19.2 AWTEvent 
Description
The root class of all AWT events. Subclasses of this class are the replacement for java.awt.Event, which is only used for the Java 1.0.2 event model. In Java 1.1, event objects are passed from event source components to objects implementing a corresponding listener interface. Some event sources have a corresponding interface, too. For example, AdjustmentEvents are passed from Adjustable objects to AdjustmentListeners. Some event types do not have corresponding interfaces; for example, ActionEvents are passed from Buttons to ActionListeners, but there is no “Actionable” interface that Button implements.
Class Definition
public abstract class java.awt.AWTEvent extends java.util.EventObject { // Constants public final static long ACTION_EVENT_MASK; public final static long ADJUSTMENT_EVENT_MASK; public final static ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.