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How do you know that your class requires a virtual destructor?
A: If at least your class has one virtual function, you must make a destructor for this class virtual. It will let you to delete a dynamic object by a caller to a base class object. If destructor is non-virtual, then wrong destructor shall be invoked throughout deletion of the dynamic object.
Differentiate between a template class and class template in C++? Ans) Template class: A generic definition or a parameterized class not instantiated until the client gives the
Semaphore is used to synchronize processes. whereas mutex is used to give synchronization among threads running in the similar process.
Damjibhai and Shamjibhai are two jeweler friends. They decide to play a simple game. The game comprises of removing the jewels for polishing, turn by turn. Once a jewel is removed
A: Provided that function parameter is "const reference", compiler create temporary variable in following two ways. a) The actual argument is the correct type, however it isn't
Precedence and Order of evaluation The languages follow a standard precedence for basic operators. Precedence rules help in deleting ambiguity of the order of operations perfor
In this problem you are given a board in which some of the elements are placed as shown in diagram below. Each element represents a color. Fill the other elements in the board, suc
The Best fit algorithm: The best fit method occurs the smallest free block whose size is greater than or equivalent to n. An algorithm to get such a block by traversing the whole
Radix sort - C program: Write a program in c to define a radix sort. void main() { int array[100],n; int i; void radix(int *,int); printf ("How many nos\
write a program in c/C++ using nested if statement for calculating the average marks and grades of 5 subjects
Explain Operator Overloading It is one type of Polymorphism, an significant feature of object-oriented programming .Polymorphism means one thing having many forms, i.e. here an
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