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Java · Interview Question

When would you choose an abstract class over an interface in modern Java?

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

Difficulty: MediumType: Subjective

Question Overview

Subject

Java

Asked in Companies

Problem Statement

When would you choose an abstract class over an interface in modern Java?

Explanation

Abstract class for shared state/base implementation and ctor control; interface for capability types, multiple inheritance of behavior (default/static).

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This question appears in the following practice sets:

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When would you choose an abstract class over an interface in modern Java? - Java | Preplance Interview Prep | Preplance

Master Interviews
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When would you choose an abstract class over an interface in modern Java?

Problem Statement

Explanation

Practice Sets

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Master Interviews Anywhere, Anytime

When would you choose an abstract class over an interface in modern Java?

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