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

OOPS Interview Questions

Questions Answers Views Company eMail

why overriding?

3 8333

Write a program in c++ to read two floating point numbers and find their sum and average.

2 9495

explain sub-type and sub class? atleast u have differ it into 4 points?

Infosys,

2315

What is DeadlyDiamondDeathProblem ?

1 3934

Which is the best institute in hyderabad for C/C++ and it also has fast track course structure.

Wipro,

13 33043

Write a program to multiply 3x3 matrics

1 4068

Write a program to accept a number and to print numbers in pyramid format? for eg:for a no. 5 1 212 32123 4321234 543212345

7 27058

1.explicit call for destructor 2.calling function inside a constructor. 3.base *b-new derived delete b; 4.delete p what it will delete. 5.size of base class and derived class int i,in base class and int j in derived. 6.int i-20 int main() { int i =5; printf("%d".::i); { int i =10; printf("%d".::i); } } 7.object slicing 8.new 9.function overloading(return type). 10.class base() { virtuval fun() { ----- } } class derivied:public base() { fun() { ----- } } int main() { derived d; } 11.how static function will call in C++? 12.default structures are in C++? 13.constructors should be in public . 14.virtuval constructor not exist. 15.multilevel inhritence. destructor order.

Tech Mahindra,

1 4523

1.what are two type of classe members called? 2.what is data hiding and data encapsulation? 3.how do you make a class member visible aouside its class? 4.what is the default visibility of a class data member? 5.what are the advantages of oop over the structured programing?

6 11860

write a program which best describes polymorphism in real world?

CTS, Infosys, NexGen,

2 9596

what uses of c++ language?

3 6728

143.what is oops principles?

10 11900

Will I be able to get a picture in D drive to the c++ program? If so, help me out?

2195

Generally, in all C++ programs, texts are in white colour. Can we change the colour of the text(either input or output or both)? If so, help me out.

1 3999

What's the full form of STL?

2 12880

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Un-Answered Questions { OOPS }

What is abstraction in oops with example?

1289

What is the full form of oops?

1187

Why do we use polymorphism?

1081

What is variable example?

1034

What do you mean by variable?

1036

What do you mean by overloading?

1067

• What are the desirable attributes for memory managment?

2227

What is the difference between abstraction and polymorphism?

1091

What is for loop and its syntax?

1082

What are oops functions?

1016

What is super in oop?

1171

State what is encapsulation and friend function?

1259

INSTANCE FIELDS DECLARED private ARE ACCESSIBLE BY THE METHODS ONLY.CAN WE CHANGE THE private FIELD OF AN OBJECT IN A METHOD OF SOME OTHER OBJECT OF THE SAME CLASS?

2204

What are the benefits of interface?

1057

Why is it so that we can have virtual constructors but we cannot have virtual destructors?

4934

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