How to use a namespace in C++ Programming

It is common in large programs or projects to create multiple files and declare variables, functions, classes, etc. with same names which results in collisions of names. In order to eliminate collisions, C++ introduced the concept of namespaces which is a logical space for creating names.   A namespace can be created using the keyword namespace and its syntax is as follows: 1 2 3 4 5 6 7 namespace  name { //declarations ... ... ... }   Essentially a namespace creates a scope of for all the elements inside it. Syntax for accessing an element outside the namespace is as

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How to use a namespace in C++ Programming
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