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

STL (140)
OOPS (873)
C++ General (2409)

C++ Interview Questions

Questions Answers Views Company eMail

what is the acronym of the term 'C.O.M.P.U.T.E.R' ?

17 32513

i want to know how to copy arrary without using any method or function. I have tried the below using System; class e4 { static void Main(string[] args) { int a,b; int[ ] m= new int[5]; int[ ] n= new int[5]; for(a=0;a<=4;a++) { Console.WriteLine("enter any value"); m[a]=Convert.ToInt32(Console.ReadLine()); m[a]=n[a]; } for(b=0;b<=4;b++) { Console.WriteLine(n[b]); } } } but it will give wrong result can anyone solve this problem

Reliance,

1 4911

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

4 6416

a class that maintains a pointer to an object that is programatically accessible through the public interface is known as?

CTS,

2 4533

what is the sylabus for priliminaries?

2181

Hi i need to Acess a variable "int Intval" in the below mentioned code .How to Access it guys i am waiting for your reply

3 4851

how to get the sum of two integers?

2 5046

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

Accenture,

1 3679

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

Accenture,

2 9492

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

Accenture,

1 4053

why we are using the fork command?.. how it works?

1 4397

what is the size of a class which contains no member variables but has two objects??? is it 1 or 2??

4 8034

Perform addition, multiplication, subtraction of 2-D array using Operator Overloading.

Nucleus, TCS,

3890

difference between the c++ and c languages

Wipro,

4 6859

what is electronic software

1 4016

Un-Answered Questions { C++ }

Do you need a main function in c++?

1127

Can I learn c++ as my first language?

1114

What are the types of abstraction?

1080

Write a function to perform the substraction of two numbers. Eg: char N1="123", N2="478", N3=-355(N1-N2).

1002

sir please send me bpcl previous question papers

2404

Draw a flow chart and write a program for the difference between the sum of elements with odd and even numbers. Two dimensional array.

6417

Explain dangling pointer.

1135

What is iostream in c++ used for?

1039

What is the main use of c++?

1131

Is overriding possible in c++?

1021

Explain the concepts involved in Object Oriented programming.

1250

#include #include #include #include void insert(struct btreenode **, int); void inorder(struct btreenode *); struct btreenode { struct btreenode *leftchild; struct btreenode *rightchild; int data; }; main() { struct btreenode *bt; bt=(struct btreenode *)NULL; int req,i=1,num; clrscr(); printf("Enter number of nodes"); scanf("%d",&req); while(i<=req) { printf("Enter element"); scanf("%d",&num); insert(&bt,num); i++; } inorder(bt); } void insert(struct btreenode **sr, int num) { if(*sr==NULL) { *sr=(struct btreenode *)malloc (sizeof(struct btreenode)); (*sr)->leftchild=(struct btreenode *)NULL; (*sr)->rightchild=(struct btreenode *)NULL; (*sr)->data=num; return; } else { if(num < (*sr)->data) insert(&(*sr)->leftchild,num); else insert(&(*sr)->rightchild,num); } return; } void inorder(struct btreenode *sr) { if(sr!=(struct btreenode *)NULL) { inorder(sr->leftchild); printf("\n %d",sr->data); inorder(sr->rightchild); } else return; } please Modify the given program and add two methods for post order and pre order traversals.

3771

What are the differences between new and malloc?

1139

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

4957

Write a C++ program to print strings in reverse order.

947

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