What is namespace in C++?
In this chapter of C++ interview questions, we will learn about:
what is namespace in c++?
syntax of namespace in c++
application of namespace in C++
Namespace in C++ meaning
Namespace was introduced by ANSI C++ standard committee. A namespace is used to define the scope of identifiers on the program. It also organizes code in groups, so that no name collision takes place.
In C++, the global namespace is the main. It has some features like:
Multiple blocks with the same namespace are allowed.
A namespace can be present in a nested way.
Namespace doesn't need any semicolon after the bracket closes, also it doesn't require an access specifier.
Syntax of namespace in C++
/* Coding Area */
Application of namespace in C++:
using namespace std;
The using namespace is there to that the member defined in std namespace will be used frequently.
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