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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 are the benefits of using friend classes? - Friend classes are useful when a class wants to hide features from users which are required only by another, tightly coupled cl
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Describe problem with Runtime type identification? A: The run time kind identification comes at cost of performance penalty. Compiler maintains class.
Classify computer system according to capacity. How they are different from computers according to the classification of technology. Provide comparative study also.
Function Overloading Function overloading is a form of polymorphism. Function overloading facilitates explaining one function having many forms. In other words it facilitates e
Semaphore is used to synchronize processes. whereas mutex is used to give synchronization among threads running in the similar process.
WAP TO ACCEPT THE BASIC SALARY OF EMPLOYEES & CALCULATE NET SALARY #include stdio.h> #include conio.h> void main() { float Basi
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What is conversion constructor? explain it .
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