Interview Questions

OOPs Concepts

Q1. What is OOPs?
Q2. Why do we use OOPs?
Q3. What is a class?
Q4. What is an object?
Q5. Difference between class and object
Q6. What are the four pillars of OOPs?
Q6. What is encapsulation?
Q7. What is abstraction?
Q8. What is inheritance?
Q9. What is polymorphism?
Q10. What is constructor?
Q11. Why constructor is used?
Q12. What is method?
Q13. What is this keyword?
Q14. What is static keyword?

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