Namespace

What Does Namespace Mean?

A namespace is used to uniquely identify one or more names from other similar names of different objects, groups or the namespace in general. Namespace makes it possible to distinguish objects with similar names but different origins. In XML, a namespace is a collection of element type and attribute names, each of which which can be identified by the unique namespace to which they belong.

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Namespace is also known as name scope.

Techopedia Explains Namespace

Namespace is primarily used in programming languages where the same name may be used for different objects. It is created to group together those names that might be repeated elsewhere within the same or interlinked programs, objects and elements.

For example, an XML namespace consists of element types and attribute names. Each of the names within that namespace is only related/linked to that namespace. The name is uniquely identified by the namespace identifier ahead of the name. For example Namespace1_ John and Namespace2_John are same names but within different namespaces.

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Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.