February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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16.12 Properties Class
A Properties object is a persistent Hashtable that stores key–value pairs of Strings—assuming that you use methods setProperty and getProperty to manipulate the table rather than inherited Hashtable methods put and get. By “persistent,” we mean that the Properties object can be written to an output stream (possibly a file) and read back in through an input stream. A common use of Properties objects in prior versions of Java was to maintain application-configuration data or user preferences for applications. [Note: The Preferences API (package java.util.prefs) is meant to replace this particular use of class Properties but is beyond the scope of this book. To learn more, visit http://bit.ly/JavaPreferences.] Class Properties ...
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