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Explain the class invariant.
- It's a condition that ensures correct working of a class and defines all the valid states for an object.
- When an object is created class invariants should hold.
- It is essential for them to be preserved under all operations of the class.
- All class invariants are both preconditions and post-conditions for all operations or member functions of the class.
what is c++ ?
Friend for Overloading Operators Sometimes friend functions cannot be avoided. For example with the operator overloading. Consider the following class that have data members to
to calculate area of the circle
Project Description: collect / modify person records / photo images/ lookup / facebook iphone and ipad App basic function : 1 user will configure facebook connection
6999066263304447777077766622337778 -----> message sent by the first smuggler. my name is robert---------> message decoded by the second smuggler. Where ‘0’ denotes the "space".
how can i print any english work using star .?
Is it legal for a member function to say delete this? A: As long as you're cautious, it's OK for an object to delete this. Here's how I define "cautious": You have to be a
It is a pointer accessible only in the member functions of a struct, class or union type. It points to the object for which the member function is called. Static member functions d
why c++
Scope Resolution operator: The scope resolution operator: : is used to access global variable in the inner block. When global and local variable are identical name the scope re
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