OOPS Interview Questions
Questions Answers Views Company eMail

What is interface? When and where is it used?

1646

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

Sitel,

2 4615

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

1577

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

Infosys,

1 4510

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 3540

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 5983

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

Eureka Forbes,

1661

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

Wipro,

5 5332

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

TCS,

1 2948

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,

1615

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

HCL, Wipro,

2 5096

Write a program to reverse a string using recursive function?

TCS,

1770

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

TCS,

4215

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 3903

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

1667


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Un-Answered Questions { OOPS }

write a code for this. serial_number contained in the header of the file will be read , if this serial number is less than a previous serial number within a successfully processed file, or is the same as another serial number within a successfully processed file, or if the field contains anything other than 7 digits, then the file must error with the reason ‘Invalid SERIAL_NUMBER’.

1754


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

1577


What are constructors in oop?

566


what's the basic's in dot net

1717


What is destructor give example?

582






which feature are not hold visual basic of oop?

1692


What is polymorphism and its types?

568


How long to learn object oriented programming?

536


What is basic concept of oop?

674


Why do pointers exist?

635


What is the difference between encapsulation and polymorphism?

570


What is abstraction in oops with example?

749


Prepare me a program for the animation of train

1960


How Do you Code Composition and Aggregation in C++ ?

24145


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

1667