24 Event Handling
This chapter examines an important aspect of Java: the event. Event handling is fundamental to Java programming because it is integral to the creation of many kinds of applications. For example, any program that uses a graphical user interface, such as a Java application written for Windows, is event driven. Thus, you cannot write these types of programs without a solid command of event handling. Events are supported by a number of packages, including java.util, java.awt, and java.awt.event. Beginning with JDK 9, java.awt and java.awt.event are part of the java.desktop module, and java.util is part of the java.base module.
Most events to which your program will respond are generated when the user interacts with a ...