16.4. Event Handling in GUI

Try these first

1. 1.

   What is an event source?

   Hint

   Think about elements like buttons.

2. 2.

   Name a common event listener interface.

   Hint

   It is commonly used with buttons.

3. 3.

   What do you call a component that generates events?

   • Event Listener
   • Event Source
   • Event Handler

   Hint

   Remember, components like buttons create events.

4. 4.

   True or False: An ActionListener can handle any type of event.

   • True
   • False

   Hint

   Think about the specific kind of events it handles.

5. 5.

   Create a small Java Swing application where a button generates a message upon being clicked, using an ActionListener.

   Hint

   Focus on using the ActionListener with a lambda expression.

6. 6.

   Discuss the advantages of lambda expressions in event handling compared to anonymous classes in Java.

   Hint

   Consider how much simpler handling click actions can be with lambda versus a full class.