Concurrency – Page 22 – Sharp: NCLEX, Java & Python

Java: Synchronized and Locks

What happens when a thread accesses a synchronized method?

Why is ConcurrentHashMap preferable in high-concurrency scenarios?

Can ConcurrentHashMap handle null keys or values?

How does lock striping reduce contention in ConcurrentHashMap?

What happens if a key is modified during iteration in ConcurrentHashMap?

Describe the performance impact of lock striping?

What role does 'synchronized' play in Java concurrency?

Why is it crucial to release locks in a finally block?

How can deadlocks occur with reversed lock ordering?

What are the benefits of ReentrantLock over synchronized?