C++ Tutorial/Language Basics/using

Use namespace std

<source lang="cpp">#include <iostream> int main() {

  using namespace std;
 
  cout << "a new line ";
  cout <<  endl;
  return 0;

}</source>

a new line

Use the using keyword

<source lang="cpp">#include <iostream> int main() {

   using std::cout;
   using std::endl;
 
   cout << "Here is 5: " << 5 << "\n";
   cout << 8+5 << endl;
   return 0;

}</source>

Here is 5: 5
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