Determining If a Preference Node Contains a Specific Value : Preference Properties « Development Class « Java

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Java » Development Class » Preference Properties Screenshots  Determining If a Preference Node Contains a Specific Value     import java.util.prefs.BackingStoreException; import java.util.prefs.Preferences; public class Main {   public static void main(String[] argv) throws Exception {   }   public static String containsValue(Preferences node, String value) {     try {       String[] keys = node.keys();       for (int i = 0; i < keys.length; i++) {         if (value.equals(node.get(keys[i], null))) {           return keys[i];         }       }     } catch (BackingStoreException e) {     }     return null;   } }                  Related examples in the same category 1.  Put key value pair to Preference 2.  Get childrenNames from Preferences 3.  Get keys from Preferences 4.  Get name and parent from Preference 5.  Get node from Preference 6.  Get value from Preferences 7.  Export Preferences to XML file 8.  Passing references around 9.  Retrieve the preference node using a Class object and saves and retrieves a preference in the node. 10.  Determining If a Preference Node Contains a Specific Key 11.  Removing a Preference from a Preference Node 12.  Getting and Setting Java Type Values in a Preference 13.  Getting the Maximum Size of a Preference Key and Value 14.  Getting the Roots of the Preference Trees 15.  Retrieving a Preference Node 16.  Removing a Preference Node 17.  Determining If a Preference Node Exists 18.  Retrieving the Parent and Child Nodes of a Preference Node 19.  Exporting the Preferences in a Preference Node 20.  Exporting the Preferences in a Subtree of Preference Nodes 21.  Determining When a Preference Node Is Added or Removed 22.  Read / write data in Windows registry 23.  Listening for Changes to Preference Values in a Preference Node 24.  Saving Data with the Preferences API 25.  INI file 26.  Preference Example:: export To File 27.  Properties load 28.  Properties TreeMap and Stream 29.  Parse Properties Files 30.  Preferences Demo 31.  Properties Test 32.  Sort Properties when saving 33.  Loading configuration parameters from text file based properties 34.  To read a Properties file via an Applet 35.  A Properties file stored in a JAR can be loaded this way 36.  Load a properties file in the startup directory 37.  Have a multi-line value in a properties file 38.  Convert a Properties list into a map. 39.  Listing All System Properties 40.  Getting and Setting Properties 41.  Use XML with Properties 42.  Store properties as XML file 43.  Reading and Writing a Properties File 44.  Read system property as an integer 45.  Read a configuration file using java.util.Properties 46.  Load properties from XML file 47.  Here is an example of the contents of a properties file: 48.  Use the Registry to store informations (Preferences API) 49.  Load a properties file in the classpath 50.  Listing the system properties 51.  Properties Demo 52.  PropsToXML takes a standard Java properties file, and converts it into an XML file 53.  Utility class for preferences 54.  Static methods for retrieving and system properties and converting them to various types 55.  Store recent items (e.g. recent file in a menu or recent search text in a search dialog) 56.  Storing/loading Preferences