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OOAD Interview Questions
Questions Answers Views Company eMail

What is bootstrap, extension and system class loader? Or can you explain primordial class loader?

 503

What are inner classes and what is the practical implementation of inner classes?

 472

What is the use if instanceof keyword?

 576

What is a constructor in class?

 593

What is the use if instanceof keyword? And how do refer to a current instance of object?

 557

What is bootstrap, extension and system class loader?

 492

Can constructors be parameterized?

 561

Define exceptions?

 529

Can you explain primordial class loader?

 495

What's the main difference between arraylist / hashmap and vector / hashtable?

 541

What is difference between static and non-static fields of a class?

 492

What is the practical implementation of inner classes?

 524

How do we implement serialization actually?

 550

What is serialization? How do we implement serialization actually?

 498

What is the difference between oop and sop?

 747

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Un-Answered Questions { OOAD }

What is the use of interface?

599

What is meant by function overloading and function overriding?

593

What are the features of encapsulation ?

561

Explain what you understand by function overloading.

570

What are the four important foundation concepts of OOP ?

548




Differentiate between overloading and overriding.

589

What is difference between class and interface?

564

What's the order of call of constructors in inheritiance?

584

Explain about the design phase?

589

Can constructors be parameterized?

561

What are the basic concepts of oop?

542

What is the use if instanceof keyword? And how do refer to a current instance of object?

557

what is virtual function and pure virtual function ?

559

Why are virtual users created?

628

Can we have a default method definition in the interface without specifying the keyword "default"?

534

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