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Java · Interview Question

Which collection is designed for high-concurrency reads with segmented/striped locking (or CAS) rather than a single lock?

Detailed answer, explanation and code for this interview question. Ideal for Java interview preparation, coding rounds and viva questions.

Difficulty: MediumType: MCQ

Question Overview

Subject

Java

Asked in Companies

Problem Statement

Which collection is designed for high-concurrency reads with segmented/striped locking (or CAS) rather than a single lock?

Explanation

ConcurrentHashMap avoids a global lock to scale concurrent access; Hashtable and synchronizedMap use coarse-grained locks.

Practice Sets

This question appears in the following practice sets:

Strings & Core Collections Essentials

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Which collection is designed for high-concurrency reads with segmented/striped locking (or CAS) rather than a single lock? - Java | Preplance Interview Prep | Preplance

Master Interviews
Anywhere, Anytime

Which collection is designed for high-concurrency reads with segmented/striped locking (or CAS) rather than a single lock?

Problem Statement

Explanation

Practice Sets

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Master Interviews Anywhere, Anytime

Which collection is designed for high-concurrency reads with segmented/striped locking (or CAS) rather than a single lock?

Problem Statement

Explanation

Practice Sets

Related Questions

Why is Java considered platform independent?

Pick the correct mapping:

Which area holds per-thread call frames (locals, operand stack)?

Explain the delegation model of classloaders and why it matters for security.

What does the JIT do at runtime?

More from Java

Master Interviews
Anywhere, Anytime