Accenture • Object-Oriented Programming
Object-Oriented Programming Question Bank
2 questions. Click any row to open detailed answer and explanation.
What is the difference between abstract class and interface in Java?
What is the difference between abstract class and interface in Java? Explain with examples.
What is SOLID in object-oriented design?
Explain SOLID principles briefly and why they matter in production systems.
Object-Oriented Programming Interview Strategy for Accenture
Interviews in this topic usually test how clearly you can explain concepts, compare alternatives, and apply decisions to real systems. Treat each question as a mini case study instead of a one-line definition.
A practical structure that works well is: define the concept, explain when to use it, share one concrete example, and then mention one common mistake or limitation. This helps your answer feel complete and interview-ready.
Use this question list as a revision loop. Solve all questions once, mark weak areas, and then repeat only the weak questions until you can explain them confidently without reading notes.