Explain About Using Directive?

1.	Explain About Using Directive?
Answer» The USING directive has two USES: To allow the use of types in a namespace so that you do not have to qualify the use of a type in that namespace To CREATE an ALIAS for a namespace or a type. This is called a using alias directive. The scope of a using directive is limited to the file in which it appears. Create a using alias to make it EASIER to qualify an identifier to a namespace or type.Namespaces come in two categories: user-defined and system-defined. User-defined namespaces are namespaces defined in your code. The using directive has two uses: The scope of a using directive is limited to the file in which it appears. Create a using alias to make it easier to qualify an identifier to a namespace or type.Namespaces come in two categories: user-defined and system-defined. User-defined namespaces are namespaces defined in your code.

Answer»

The USING directive has two USES:

To allow the use of types in a namespace so that you do not have to qualify the use of a type in that namespace
To CREATE an ALIAS for a namespace or a type. This is called a using alias directive.

The scope of a using directive is limited to the file in which it appears. Create a using alias to make it EASIER to qualify an identifier to a namespace or type.Namespaces come in two categories: user-defined and system-defined. User-defined namespaces are namespaces defined in your code.

The using directive has two uses:

The scope of a using directive is limited to the file in which it appears. Create a using alias to make it easier to qualify an identifier to a namespace or type.Namespaces come in two categories: user-defined and system-defined. User-defined namespaces are namespaces defined in your code.

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