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

OOPS Interview Questions

Questions Answers Views Company eMail

What is interface? When and where is it used?

2211

What is virtual function?where and when is it used?

Sitel,

2 5797

What is debug class?what is trace class? What differences are between them? With examples.

2267

How many types of access specifier in c# and vb.net?

Infosys,

1 5400

Hi All, I am new to programming and want to know how can i write a code to take input of 2 numbers from user and swap it without using a temp variable?

NIIT,

2 4646

How can i write a code in c# to take a number from the user and then find all the prime numbers till the number entered by the user.

NIIT, TCS,

4 7692

hi all..i want to know oops concepts clearly can any1 explain??

Eureka Forbes,

2181

c++ is a pure object oriented programming or not?

Wipro,

5 7148

why we are declare the function in the abstract class even though we are declaring it in Derived class?

TCS,

1 4112

Write a C++ program without using any loop (if, for, while etc) to print prime numbers from 1 to 100 and 100 to 1 (Do not use 200 print statements!!!)

HCL,

2161

which structured data type is not used in c++? 1.union 2.structure 3.string 4.boolean

HCL, Wipro,

2 6177

Write a program to reverse a string using recursive function?

TCS,

2416

Write a program to implement OOPS concepts such as inheritance, polymorphism, friend function, operator overloading?

TCS,

4807

c++ provides classes...and classes do what we want but why then strcut are used...if we say data hiding... it is also provided by c++ in structs then why to prefer clasess

HCL, TCS,

1 4889

Is this job good for future? can do this job post grduate student?

2228

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Un-Answered Questions { OOPS }

Who invented oop?

1197

What is the full form of oops?

1249

What is encapsulation in ict?

1125

Can we create object of abstract class?

1154

There are two base class B1,B2 and there is one class D which is derived from both classes, Explain the flow of calling constructors and destructors when an object of derived class is instantiated.

2056

What is data binding in oops?

1156

Which method cannot be overridden?

1176

What is basic concept of oop?

1229

They started with the brief introduction followed by few basic C++ questions on polumorphism, inheritance and then virtual functions. What is polymorphims? How you will access polymorphic functions in C? How virtual function mechanism works?

1971

What is encapsulation in oops?

1074

What are the important components of cohesion?

1081

Is html an oop?

1125

What is overriding in oops?

1160

What are the features of oop?

1268

What is abstract class in oops?

1080

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