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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?

 693

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

 651

What is the use if instanceof keyword?

 764

What is a constructor in class?

 763

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

 704

What is bootstrap, extension and system class loader?

 663

Can constructors be parameterized?

 720

Define exceptions?

 672

Can you explain primordial class loader?

 642

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

 722

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

 686

What is the practical implementation of inner classes?

 689

How do we implement serialization actually?

 678

What is serialization? How do we implement serialization actually?

 651

What is the difference between oop and sop?

 979

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Un-Answered Questions { OOAD }

Explain about object oriented programming?

758

What are abstract classes?

752

What is the use of destructive method?

692

Why is C not an OOP language?

728

Explain about inheritance?

773




Can encapsulation be called as a security device?

708

What is the difference between a class and an object?

1029

What are abstract functions? Why are they used?

748

Explain the rationale behind object oriented concepts?

799

Difference between abstraction and implementation hiding ?

794

What is static and dynamic Binding?

721

What is difference between class and interface?

729

What are the interfaces you used in beans?

683

A class inherits from 2 interfaces and both the interfaces have the same method name as shown below. How should the class implement the drive method for both car and bus interface?

710

What are the access modifiers?

768

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