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Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of the Runnable interface?
💡 Hint: Think about the relationship between tasks and threads.
Question 2
Easy
What method must be overridden when implementing Runnable?
💡 Hint: It's where the task logic is defined.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What must a class do to be runnable in Java?
- Extend Thread
- Implement Runnable
- Both A and B
💡 Hint: Consider the purpose of the Runnable interface.
Question 2
True or False: The run() method must be invoked directly to start a thread.
- True
- False
💡 Hint: Reflect on how thread execution flows.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
💡 Hint: Consider scenarios where multiple threads modify the same account balance.
Question 2
Implement an example where a Runnable class generates Fibonacci numbers in a given range. Demonstrate how multiple threads can execute this task simultaneously.
💡 Hint: Think about how to partition the ranges for different threads.
Challenge and get performance evaluation