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What is the use of default constructor?
- It's a constructor that doesn't accept any parameters.
- If there is no user-defined constructor for a class, compiler declares a default parameter less constructor known as default constructor. It's an inline public member of its class.
When compiler uses this constructor to create an object -constructor will have no constructor initializer and a null body.
how can i easily make a program?
Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec
using struct
A conversion constructor declared with the explicit keyword. The compiler does not use an explicit constructor to execute an implied conversion of types. Its purpose is reserved ex
algorithm to find out all the factors of given positive integers
A: Provide a friend operator class Base { public: friend std::ostream& operator ... protected: virtual void printOn(std::ostream& o) const; }; inline std::ostr
real time application of b tree
Assume that a Binary Search Tree is constructed by repeatedly inserting exact values in to the tree. Argue that the number of nodes examined in searching for a value in the tree is
Pointer to function: int mul(int a, int b, int c) { return a*b*c; } void main() { int (*function_pointer)(int, int, int); function_pointer = &mul;
Polymorphism C++ supports this idea - that different objects do "the right thing "- by function polymorphism and class polymorphism. Poly means many, while morph means form.
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