Using namespace to reference variables : NameSpace « Language « C++

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C++ » Language » NameSpace Screenshots  Using namespace to reference variables    #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 namespace first;   cout << x << endl;   cout << y << endl;   cout << second::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. Namespace code section 8. Use namespaces to wrap variables 9. Enclosure variables with namespace 10. Defines and tests namespaces.