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 function overriding?

1 3006

Where You Can Use Interface in your Project

KPIT,

1855

i=20;k=0; for(j=1;k-i;k+=j<10?4:3) { cout< 1824

draw a flowchart that accepts two numbers and checks if the first is divisible by the second.

Appin, NIIT,

3339

Write a c++ code that will calculate the roots of a quadratic equation a2+ bx+c=0 Hint: d = sqrt (b2-4ac), and the roots are: x1 = (€“b + d)/2a and x2 = (€“b €“ d)/2a (use sqrt function from cmath.h )?

Maxobiz,

1885

Problem 5: Hero's Formula is A method for calculating the area of a triangle when you know the lengths of all three sides. Let a, b, c be the lengths of the sides of a triangle. The area is given by:A= pp-ap-b(p-c) | wherep= a+b+c2 | | Write a C-language code to calculate area of triangle using above method. Take the three lengths of the triangle from the user and display the area that your program calculates.

Maxobiz,

2020

Problem 6: Area of a trapezoid can be calculated by the following formula: A=(b1 b2)Ã—h2 where b1 and b2 are the parallel sides or the bases and h is length of height Write a C code of this program

Maxobiz,

1956

What are different types of JVM's? for example we use dalvik jvm for android then what about the remaining operating systems?

IBM,

2099

a program using one dimensional array that searches a number if it is found on the list of given input numbers given by the user and locate its exact location in the list.

1912

what type of question are asked in thoughtworks pair programming round ?

Thought Works,

2161

Give an example where we have to specifically use C programming language and C++ programming language cannot be used?

CAT,

1589

what are the events occur in intr activated on interrupt vector table

HGS,

1722

What is multidimensional array?

1 2116

What is the name of your birth place?

1490

how to write a java program for an output ****0 ***01 **012 *0123 01234

1 3966

Un-Answered Questions { C++ }

Can a constructor be private?

1042

What are the two main components of c++?

1079

What are string library functions(syntax).

1001

What is the difference between passing by reference and passing a reference?

1042

Write a c++ program to display pass and fail for three student using static member function

3345

What are the three parts of a simple empty class?

2011

Are polymorphisms mutations?

1117

Explain the use of vtable.

1045

Can we provide one default constructor for our class?

652

What is a function in oop?

1040

When is dynamic checking necessary?

1068

Do the parentheses after the type name make a difference with new?

1045

What is malloc in c++?

983

What is the basic difference between C and C++?

1115

What would happen on forgetting [], while deallocating an array through new?

1045

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