Does using namespace std include String?

In your code, you've explicitly added the line using namespace std; , which lets you use anything from the standard namespace without using the std:: prefix. Thus you can refer to std::string (the real name of the string type) using the shorthand string since the compiler knows to look in namespace std for it.

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Can I use multiple namespaces in C++?

You can have the same name defined in two different namespaces, but if that is true, then you can only use one of those namespaces at a time. However, this does not mean you cannot use the two namespace in the same program. You can use them each at different times in the same program. What is namespace in c# net? Namespaces are used in C# to organize and provide a level of separation of codes. They can be considered as a container which consists of other namespaces, classes, etc. A namespace can have following types as its members: Namespaces (Nested Namespace) Classes.

What does >> mean in coding?

>> is the signed right shift operator. It shifts a bit pattern to the right. The bit pattern is given by the left-hand operand, and the number of positions to shift by the right-hand operand. When you shift right two bits, you drop the two least significant bits. Is ++ a binary operator? Operators In C++

In C++ most of the operators are binary operators i.e. these operators require two operands to perform an operation. Few operators like ++ (increment) operator are the unary operator which means they operate on one operand only.

Where is std :: cout defined?

The cout object is used to display the output to the standard output device. It is defined in the iostream header file. How do I use iostream? So, #include is a preprocessor directive that tells the preprocessor to include header files in the program. < > indicate the start and end of the file name to be included. iostream is a header file that contains functions for input/output operations ( cin and cout ).

Which property allows executables in C?

Property which allows to produce different executable for different platforms in C is called? Explanation: Conditional compilation is the preprocessor facility to produce a different executable. Which of the following keywords is used for including the namespaces in the program in C #? The using keyword is used for including the namespaces in the program.

Which of the following feature is not provided by C but provided by C++?

9. Which of the following type is provided by C++ but not C? Explanation: C++ provides the boolean type to handle true and false values whereas no such type is provided in C.