Top 12 Java Concurrency Interview Questions — Threads, ExecutorService, Locks, Deadlocks (With Code)
Master Java multithreading for your interview! Covers Thread vs Runnable, ExecutorService, ThreadPoolExecutor, synchronized vs Lock, volatile, AtomicInteger, Producer-Consumer, ForkJoinPool, CountDownLatch, CyclicBarrier, deadlock prevention, and CompletableFuture chaining.
Questions Covered:
00:00 Introduction
00:20 Q1. Thread vs Runnable vs Callable
00:55 Q2. ExecutorService & Thread Pools
01:30 Q3. ThreadPoolExecutor Configuration
02:00 Q4. synchronized vs ReentrantLock
02:35 Q5. volatile Keyword
03:05 Q6. AtomicInteger & CAS
03:40 Q7. Producer-Consumer Pattern
04:10 Q8. ForkJoinPool & Work Stealing
04:45 Q9. CountDownLatch
05:15 Q10. CyclicBarrier
05:50 Q11. Deadlock Prevention
06:20 Q12. CompletableFuture Chaining
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