# Uses of Class
com.norconex.commons.lang.map.ObservableMap

Packages that use ObservableMap
Package
Description
com.norconex.commons.lang.map
Enhanced and/or useful features related to Map.
com.norconex.commons.lang.url
Classes making it easier to deal with and manipulate URLs.

- ## Uses of ObservableMap in com.norconex.commons.lang.map

  Subclasses of ObservableMap in com.norconex.commons.lang.map
  Modifier and Type
  Class
  Description
  `class`
  `Properties`
  This class is a enhanced version of `Properties` that enforces the use of String keys and values internally, but offers many convenience methods for storing and retrieving multiple values of different types (e.g.

- ## Uses of ObservableMap in com.norconex.commons.lang.url

  Subclasses of ObservableMap in com.norconex.commons.lang.url
  Modifier and Type
  Class
  Description
  `class`
  `QueryString`
  Provides utility methods for getting and setting attributes on a URL query string.