# Uses of Class
org.springframework.core.env.MapPropertySource

Packages that use MapPropertySource
Package
Description
org.springframework.core.env
Spring's environment abstraction consisting of bean definition profile and hierarchical property source support.
org.springframework.core.io.support
Support classes for Spring's resource abstraction.

## Uses of MapPropertySource in org.springframework.core.env

Subclasses of MapPropertySource in org.springframework.core.env
Modifier and Type
Class
Description
`class`
`PropertiesPropertySource`
`PropertySource` implementation that extracts properties from a `Properties` object.
`class`
`SystemEnvironmentPropertySource`
Specialization of `MapPropertySource` designed for use with system environment variables.

## Uses of MapPropertySource in org.springframework.core.io.support

Subclasses of MapPropertySource in org.springframework.core.io.support
Modifier and Type
Class
Description
`class`
`ResourcePropertySource`
Subclass of `PropertiesPropertySource` that loads a `Properties` object from a given `Resource` or resource location such as `"classpath:/com/myco/foo.properties"` or `"file:/path/to/file.xml"`.