Namespaces in C++ are used to organize too many classes so that it can be easy to handle the application.
For accessing the class of a namespace, we need to use namespacename::classname. We can use using keyword so that we don't have to use complete name all the time.
In C++, global namespace is the root namespace. The global::std will always refer to the namespace "std" of C++ Framework.
C++ namespace Example
Let's see the simple example of namespace which include variable and functions.
Hello First Namespace Hello Second Namespace
C++ namespace example: by using keyword
Let's see another example of namespace where we are using "using" keyword so that we don't have to use complete name for accessing a namespace program.
Hello First Namespace
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