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Why null pointer is used?


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More C++ General Interview Questions

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.

0 Answers   Maxobiz,


What is void pointer in c++ with example?

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Explain the advantages of using friend classes.

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Given a simple program designed to take inputs of integers from 1-1000 and to output the factorial value of that number, how would you test this program? You do not have access to the code. Please be as specific as possible.

4 Answers   Microsoft,


Write about the use of the virtual destructor?

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Differentiate between the message and method in c++?

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What is flush c++?

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What is a reference in C++?

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How to reduce a final size of executable?

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