Concurrency basics · interview question
In a system using multiple ReentrantLocks, how can you minimize the risk of deadlocks?
Multiple choiceHardchapter-15-curatedpremiumconcurrencysynchronized-and-locks
Answer and explanation
Correct answer
A. Ensure locks are acquired in a consistent order
Why
Deadlocks often occur due to inconsistent lock acquisition order. Ensuring that all threads acquire multiple locks in the same order can prevent circular waiting conditions, thereby reducing the risk of deadlocks.
Test yourself on Concurrency basics
A free test with instant, explained results. No account needed.
More Concurrency basics questions
- How can you avoid deadlocks when using multiple ReentrantLocks in a method?
- What does the 'volatile' keyword guarantee in Java?
- Why might using 'volatile' alone be insufficient for ensuring thread safety when updating a shared counter?
- Consider the following code snippet. What issue might occur if 'flag' is not declared as 'volatile'?
- When using synchronized blocks, how can you ensure fairness among threads?
- How would you explain a common use case for 'volatile' variables in an interview?