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?

2169

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

Sitel,

2 5682

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

2202

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

Infosys,

1 5329

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 4554

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 7548

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

Eureka Forbes,

2143

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

Wipro,

5 6961

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

TCS,

1 3993

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,

2110

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

HCL, Wipro,

2 6085

Write a program to reverse a string using recursive function?

TCS,

2353

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

TCS,

4756

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 4816

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

2166

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Un-Answered Questions { OOPS }

Can enum be null?

1027

What is encapsulation with real life example?

1042

2. Give the different notations for the class.\

2167

How do you define a class in oop?

1129

what are the different types of qualifier in java?

2277

What is a class in oop?

1138

what is the drawback of classical methods in oops?

3383

What is meant by multiple inheritance?

1270

Why is abstraction used?

1098

What is constructor in oop?

1121

What is the oops and benefits of oops programming?

976

What is the full form of oops?

1194

What is class and object in oops?

1150

What is multilevel inheritance explain with example?

1155

What is encapsulation in ict?

1065

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