Namespace: Namespace is a group of name definitions. It contains definition of class and declaration of variable. Generally, the namespace in C++ is used in the ways of “std” namespace. The “std” namespace contains each and every names defined in the standard library files that user use such as “iostream” and “sdtdlib”. If the user do not put the code in some exact namespace, then then code in a namespace called “global namespace”. In this namespace, the directive “using” does not used. Consider a name that is defined in two namespaces. When the user tends to use the namespaces that are defined that is if the user uses both namespace, then the resultant that is obtained will contain error in it.

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Chapter 12.2, Problem 9STE

Program Plan Intro

Namespace:

Namespace is a group of name definitions.

It contains definition of class and declaration of variable.

Generally, the namespace in C++ is used in the ways of “std” namespace. The “std” namespace contains each and every names defined in the standard library files that user use such as “iostream” and “sdtdlib”.

If the user do not put the code in some exact namespace, then then code in a namespace called “global namespace”.

In this namespace, the directive “using” does not used.

Consider a name that is defined in two namespaces. When the user tends to use the namespaces that are defined that is if the user uses both namespace, then the resultant that is obtained will contain error in it.

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