Enclosure variables with namespace : NameSpace « Language « C++

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C++ » Language » NameSpace Screenshots  Enclosure variables with namespace    #include <iostream> using namespace std; namespace first {   int x = 5;   int y = 10; } namespace second {   double x = 3.1416;   double y = 2.7183; } int main () {   using first::x;   using second::y;   cout << x << endl;   cout << y << endl;   cout << first::y << endl;   cout << second::x << endl;   return 0; }            Related examples in the same category 1. Namespace Demo: define a namespace 2. Namespaces are additive 3. Demonstrate a namespace 4. Some Namespace Options 5. A namespace can be nested within another 6. use explicit std:: qualification. 7. Using namespace to reference variables 8. Namespace code section 9. Use namespaces to wrap variables 10. Defines and tests namespaces.