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Java · Interview Question

Why are Java Strings immutable? Give two benefits.

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

Difficulty: EasyType: Subjective

Question Overview

Subject

Java

Asked in Companies

Problem Statement

Why are Java Strings immutable? Give two benefits.

Explanation

Safety in sharing/caching (e.g., pool, classpath, keys) and security/thread-safety; also enables stable hash codes for map keys.

Practice Sets

This question appears in the following practice sets:

Strings & Core Collections Essentials

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Why are Java Strings immutable? Give two benefits. - Java | Preplance Interview Prep | Preplance

Master Interviews
Anywhere, Anytime

Why are Java Strings immutable? Give two benefits.

Problem Statement

Explanation

Practice Sets

Related Questions

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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.

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Master Interviews Anywhere, Anytime

Why are Java Strings immutable? Give two benefits.

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