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

OOPS Interview Questions

Questions Answers Views Company eMail

what is an qt4 interface?

IBM,

1 4788

I am developing a payroll system mini project.I used file concept in program for reading and writing.When the program is reloading into the memory that is if i execute next time the file was cleaned and adding data from the starting this is my problem.I want to strore the previous data and if i want to add any record that should be next of previous data.Please help me.

3080

is there any choice in opting subjects like 4 out of 7

2131

can main method be overloaded...??? How..????

Satyam,

2 7026

which are the 4 members functions in c++ objects that can either be declared explicitly by programmer or implementation if nt available.

4 6238

what is the sylabus for priliminaries?

2126

How to Increment the value of the empid E001 for each and every employee by using the programe?

Accenture,

1 3531

How to calculate the age from the date of birth by using the program?

Accenture,

2 9310

how to find the correct email address format by using the programe?

Accenture,

1 3949

1. Wrie a function which returns the most frequent number in a list of integers. Handle the case of more than one number which meets this criterion. public static int[] GetFrequency(int[] list)

Nagarro,

1 7035

how much classes are used in c++

5 7397

what are three tenets of object orinted Systems?Why they call like that ? Please answer me. Advance thanks.

Excel,

2 4731

class CTest { public: void someMethod() { int nCount = 0; cout << "This is some method --> " << nCount; } }; int main() { CTest *pctest; pctest->someMethod(); return 0; } It will executes the someMethod() and displays the value too. how is it possible with our creating memory for the class . i think iam not creating object for the class. Thanks in Advance... Prakash

2227

WHAT IS THE DIFFERENCE BETWEEN OBJECT BASED & OBJECT ORIENTD PROGRAMMING LANGUAGE.(GIVE AT LIST 4 PIONT)

TCS,

1 5963

Why can't we have instance(stack) of a class as a member of the same class like eg.Class A{A obj;} as we can have self refential pointer

2093

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Un-Answered Questions { OOPS }

What is the purpose of polymorphism?

1086

What is data binding in oops?

1029

What does <> mean pseudocode?

1116

Can static class have constructor?

987

Which language is not a true object oriented programming language?

1064

What is byval and byref? What are differences between them?

2153

How oops is better than procedural?

1031

What is persistence in oop?

1097

What are the data types in oop?

1047

Why do pointers exist?

1049

#include #include #include #include void insert(char *items, int count); int main(void) { char s[255]; printf("Enter a string:"); gets(s); insert(s, strlen(s)); printf("The sorted string is: %s.\n", s); getch(); return 0; } void insert(char *items, int count) { register int a, b; char t; for(a=1; a < count; ++a) { t = items[a]; for(b=a-1; (b >= 0) && (t < items[b]); b--) items[b+1] = items[b]; items[b+1] = t; } } design an algorithm for Insertion Sort

2565

What is encapsulation in simple terms?

978

Can destructor be overloaded?

979

write string class as your own class in java without using any built-in function

2445

What is basic concept of oop?

1107

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