Answer / subham chaudhary

A class invariant is a condition that defines all valid states for an object. It is a logical condition to ensure the correct working of a class. Class invariants must hold when an object is created, and they must be preserved under all operations of the class. In particular all class invariants are both preconditions and post-conditions for all operations or member functions of the class.

Describe private, protected and public – the differences and give examples.

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Write a program in C++ for Fibonacci series

0 Answers   Axtria, ITC Indian Tobacco Company,

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What is a namespace in c++?

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Differentiate between an external iterator and an internal iterator? What is the advantage of an external iterator.

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Why do we use constructor?

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what are difference between c and c++?

9 Answers   Accenture,

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int f() { int I = 12; int &r = I; r += r / 4; int *p = &r; *p += r; return I; } Referring to the sample code above, what is the return value of the function "f()"? a) 12 b) 15 c) 24 d) 17 e) 30

2 Answers   AIG, Quark,

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the first character in the variable name must be an a) special symbol b) number c) alphabet

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What is the full form of c++?

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Can we change the basic meaning of an operator in c++?

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which is best institue to learn C/C++ IN AMEERPET OR MAITHRIVANAM OR SR NAGAR, PLEASE HELP. THANKS IN ADVANCE

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How can you link a c program with a c function?

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