OOPS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

OOPS Interview Questions

Questions Answers Views Company eMail

features of OOPS

Ness Technologies, Satyam,

22 59215

what is multi level inheritance give n example ?

HDFC, Hulas Steel, Ness Technologies,

13 66171

Can we have a private constructor ?

HSBC, Ness Technologies, TCS, Wipro,

12 51074

Can we have a private virtual method ?

Ness Technologies,

8 16667

How would you stop a class from class from being derived or inherited.

Ness Technologies,

18 25022

What is multiple inheritance ?

Blue Star, C DAC, CDAC, Impetus, Ness Technologies, Softvision Solution,

17 27378

We have a scale and 7 balls. 1 ball is heavier than all the rest. How to determine the heaviest ball with only 3 possible weighing attempts?

IBM, Sage, Vertex,

8 28071

What is a linked list?

IBM, Neural Info,

10 12989

Name an advantage of linked list over array?

IBM, Infosys,

11 25794

Name an advantage of array over linked list?

GML, IBM, Software Solutions,

24 60544

Have you ever used threads?

Adobe, IBM,

3 9830

Should you protect the global data in threads? Why or why not?

IBM,

2 10706

Have you ever interfaced with a database?

IBM,

2 5897

Tell us about yourself.

ABB, Amazon, Fidelity, Flextronics, Franklin Templeton, HCL, Hexaware, IBM, Impetus, Infosys, Reliance, Rofous, Silgate, Sutherland, TCS, Thomson Reuters, Virtusa, Wipro,

47 125069

Given two strings like x=?hello? and y=?open?, remove any character from string x which is also used in string y, thus making the result x=?hll?.

IBM,

13 21638

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Un-Answered Questions { OOPS }

What are main features of oop?

1083

What are the data types in oop?

1047

Why it is called runtime polymorphism?

1050

How long to learn object oriented programming?

1031

Can destructor be overloaded?

979

Prepare me a program for the animation of train

2414

Why is static class not inherited?

1048

why reinterpret cast is considered dangerous?

2336

What is static modifier?

1129

How do you use inheritance in unity?

1027

Why do we use polymorphism?

1014

What is the difference between abstraction and polymorphism?

1051

What is the difference between encapsulation and polymorphism?

1049

Why is polymorphism used?

997

What is polymorphism explain?

1194

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