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

OOPS Interview Questions

Questions Answers Views Company eMail

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.

1927

string is a class or data type in java?

3 5136

#include using namespace std; int main() { int a = 2; int c[5][5]; for (int x=0;x<5;x++) { for (int y=0;y<5;y++) { c[x][y] = x*y; } } cout << c[a][c[1][4]]; }

TCS, Wipro,

2 6843

#include using namespace std; struct wow { int x; }; int main() { wow a; a.x = 22; int c = a.x; int *b = new int; cout << c; return 0; } option: No output 0 22 -(11) Will not compile

CTS, Wipro,

1 5282

WRITE A SIMPLE C++ PROGRAM TO SWAP TWO NOS WITHOUT USING TEMP

2 5254

what are the ways in which a constructors can be called?

TCS,

2 6701

what are the ways in which a constructors can be called?

2048

c++ is a purely oop concept?

Google, TCS,

3 6238

what is the advantage in software? what is the difference between the software developer and Engineer

1 3413

#include using namespace std; struct wow { int x; }; int main() { wow a; wow *b; a.x = 22; b = &a; a.x = 23; cout << b->x; return 0; }

1 4279

i^=j; j^=i; i^=j; value of i,j

1 3511

program for insertion ,deletion,sorting in double link list

2641

what is a class

6 7517

• What are the desirable attributes for memory managment?

2170

Can we create object of class with private constructor?

5 8483

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Un-Answered Questions { OOPS }

What is use of overloading?

1083

Is html an oop?

1004

What are constructors in oop?

1089

can inline function declare in private part of class?

4306

What is polymorphism and why is it important?

984

What is destructor oops?

1038

Explain the concepts involved in Object Oriented programming.

1147

#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

How oops is better than procedural?

1031

Why is static class not inherited?

1048

What do you mean by abstraction?

1025

Get me a number puzzle game-program

2183

what is the sylabus for priliminaries?

2126

This program numbers the lines found in a text file. Write a program that reads text from a file and outputs each line preceded by a line number. Print the line number right-adjusted in a field of 3 spaces. Follow the line number with a colon, then one space, then the text of the line. You should get a character at a time and write code to ignore leading blanks on each line. You may assume that the lines are short enough to fit within a line on the screen. Otherwise, allow default printer or screen output behavior if the line is too long (i.e., wrap or truncate). A somewhat harder version determines the number of spaces needed in the field for the line numbers by counting lines before processing the lines of the file. This version of the program should insert a new line after the last complete word that will fit within a 72-character line.

2082

What polymorphism means?

1003

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