14.11.1. Types

Try these first

1. 1.

   What is a FixedThreadPool used for?

   Hint

   Think about resource management.

2. 2.

   Can you name the executor type that runs tasks in order?

   Hint

   What happens when only one thread runs tasks?

3. 3.

   What is a FixedThreadPool?

   • Manages a dynamic number of threads
   • Uses a single thread
   • Has a fixed number of threads

   Hint

   Think about the term 'fixed'.

4. 4.

   True or False: CachedThreadPools are suitable for long-running tasks.

   • True
   • False

   Hint

   Consider task duration.

5. 5.

   Write a small program snippet that uses a ScheduledThreadPool to execute a task every 5 seconds. Describe the output.

   Hint

   Remember to configure the scheduling correctly.

6. 6.

   Discuss potential problems that could arise from using too many threads in a CachedThreadPool. What strategies could be implemented to prevent issues?

   Hint

   Think about the consequences of having insufficient resources available.