Practice Using The Runnable Interface (14.3.2) - Multithreading and Concurrency

Practice: Using the Runnable Interface

Lesson 14.3.2Multithreading and Concurrency

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8 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the purpose of the Runnable interface?
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Think about the relationship between tasks and threads.
Question 2.
What method must be overridden when implementing Runnable?
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It's where the task logic is defined.
3Question 3.
What must a class do to be runnable in Java?
- Extend Thread
- Implement Runnable
- Both A and B
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Consider the purpose of the Runnable interface.
4Question 4.
True or False: The run() method must be invoked directly to start a thread.
- True
- False
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Reflect on how thread execution flows.
Question 5.
Design a Runnable class that simulates a basic ATM machine interface, allowing users to deposit and withdraw funds. Show how to handle multiple users accessing this ATM concurrently.
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Consider scenarios where multiple threads modify the same account balance.
Question 6.
Implement an example where a Runnable class generates Fibonacci numbers in a given range. Demonstrate how multiple threads can execute this task simultaneously.
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Think about how to partition the ranges for different threads.

4 more questions in this section. Enroll free to practise them all.