16.4.3. Lambda in Event Handling (Java 8+)

Try these first

1. 1.

   What is a lambda expression?

   Hint

   Think of it as a simplified method.

2. 2.

   Give an example of a functional interface in Java.

   Hint

   Consider events involving user actions.

3. 3.

   What is the primary benefit of using lambda expressions in event handling?

   • More code complexity
   • Less boilerplate code
   • More errors

   Hint

   Consider what lambda expressions aim to simplify.

4. 4.

   True or False: A lambda expression can replace the need for a functional interface.

   • True
   • False

   Hint

   Reflect on the definition of a functional interface.

5. 5.

   Create a GUI application where multiple buttons use lambda expressions to perform different actions, and explain the structure of your code.

   Hint

   Consider how handlers are assigned within your JFrame.

6. 6.

   In a situation where your event handling logic is becoming more complicated, how would you organize your lambdas to keep your code structured and understandable?

   Hint

   Think about balancing clarity with complexity in your designs.