Java – Page 311 – Sharp: NCLEX, Java & Python

Java: Synchronized and Locks

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?

How does synchronized affect an object's monitor?

What can cause performance issues with 'synchronized'?

How would you explain a tradeoff when using Collections.synchronizedMap in an interview?

What error can occur with a HashMap under concurrent modification?

Why is ConcurrentHashMap preferable in high-concurrency scenarios?

Can ConcurrentHashMap handle null keys or values?

What is Lock Striping?