1.1.7 - Java Concurrency Utilities (java.util.concurrent)
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Practice Questions
Test your understanding with targeted questions
What is the purpose of the ExecutorService?
💡 Hint: Think of it as managing multiple workers.
What type of task can a Callable interface execute?
💡 Hint: Recall that Callable can return something.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does ExecutorService manage?
💡 Hint: Recall its main function: managing groups of tasks.
True or False: A Callable can return a value.
💡 Hint: Think of what a function does when it 'calls' something back.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a multi-threaded application using ExecutorService that processes a list of numbers and returns their squares. Explain how you would handle exceptions during execution.
💡 Hint: Consider using a list and mapping each number to its square.
Create a scenario in which a CountDownLatch may fail and explain why. How would you prevent this from happening in your design?
💡 Hint: Think about the logistics of timing for tasks.
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