What does using namespace std mean?

The using namespace statement just means that in the scope it is present, make all the things under the std namespace available without having to prefix std:: before each of them.

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Should I use using namespace std?

To put it as an advice: Do not use "using namespace" (std or other) at file scope in header files. It is OK to use it in implementation files. Where is namespace std defined? The whole std namespace is NOT defined in one particular file/header. Namespaces are open - this means you can add to them. Each header file in the standard c++ library add it's particular stuff to the std namespace.

Can we use using namespace std in Turbo C++?

You will never need using namespace std in Turbo C++ because it doesn't support namespaces. Turbo C++ doesn't support probably 50% of C++ stuff - it's that old. Use Visual C++ (Express editions are free) or G++ for C++. What is the advantage of using namespace in C++? Advantages of namespace

In one program, namespace can help define different scopes to provide scope to different identifiers declared within them. By using namespace - the same variable names may be reused in a different program.

How do you write Endl in C++?

The endl is a predefined object of ostream class

Standard end line (endl)

1. #include <iostream>
2. using namespace std;
3. int main( ) {
4. cout << "C++ Tutorial";
5. cout << " Javatpoint"<<endl;
6. cout << "End of line"<<endl;
7. }

When was the Java invented? Work on the language began in 1991, and before long the team's focus changed to a new niche, the World Wide Web. Java was first released in 1995, and Java's ability to provide interactivity and multimedia showed that it was particularly well suited for the Web.

What is Python used for?

Python is a computer programming language often used to build websites and software, automate tasks, and conduct data analysis. Python is a general-purpose language, meaning it can be used to create a variety of different programs and isn't specialized for any specific problems. What is namespace example? In an operating system, an example of namespace is a directory. Each name in a directory uniquely identifies one file or subdirectory. As a rule, names in a namespace cannot have more than one meaning; that is, different meanings cannot share the same name in the same namespace.

What is the use of namespace Mcq?

Explanation: Namespace allows you to group class, objects, and functions. It is used to divide the global scope into the sub-scopes.