20.4 - Tools for Thread Safety in Java
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Practice Questions
Test your understanding with targeted questions
What is a synchronized method?
💡 Hint: Think of how it controls thread access.
What does a volatile variable do?
💡 Hint: Consider its effect on visibility.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What do synchronized blocks ensure?
💡 Hint: Think about what synchronized means in a multithreaded context.
A volatile variable guarantees that changes are visible immediately across threads. True or False?
💡 Hint: Consider the role of volatile in synchronization.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Create a Java program using synchronized blocks to solve a simple banking problem where two threads try to modify the same account balance simultaneously. Explain how it prevents race conditions.
💡 Hint: Consider the use of synchronized methods for balance checks.
Discuss how you would implement a multi-threaded application that counts the frequency of numbers in an array using atomic variables. Illustrate the code with proper thread management.
💡 Hint: Think about how each thread could increment the count.
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