Most asked top Interview Questions and Answers | Online Test | Mock Test
Education platform for interview prep, online tests, tutorials, and live practice

Build skills with focused learning paths, mock tests, and interview-ready content.

WithoutBook brings subject-wise interview questions, online practice tests, tutorials, and comparison guides into one responsive learning workspace.

Search the library
Prepare Interview

Mock Exams

Make Homepage

Bookmark this page

Subscribe Email Address

Question: What is the difference between interface and abstract class?
Answer: Abstract class defined with methods. Interface will declare only the methods. Abstract classes are very much useful when there is a some functionality across various classes. Interfaces are well suited for the classes which varies in functionality but with the same method signatures.

Save For Revision

Bookmark this item, mark it difficult, or place it in a revision set.

Open My Learning Library
Is it helpful? Yes No

Most helpful rated by users:

©2026 WithoutBook