Online Training Spring Hibernate Training in Delhi R Programming Training Course Big Data and Hadoop Training Java Training

Finding a Preference in a Preference Tree

In this section you will learn how to find the preference of Preference node in a Preference Tree.

Ads

Tutorials   
How to read properties file in Java? Generate random numbers in Java Cloneable Interface in Java What is the flaw with the Stack class? List In Java Java Stack Example HashSet In Java Enumeration in java How to generate random number in java Iterator in java Queue in java Transient Java Keyword clone method in Java Java Queue example Logger in Java Java current date - How to get current date in Java Collection : LinkedList Example Collection : ArrayList Example Random alpha numeric string of fixed size Java List Iterator Example The Hashtable Class The BitSet class Java Vector Java Enumeration Data Structures in Java Java Transient Variable Java Date Format Example Java Properties File Example Map.Entry Java Interface Java Property File java preferences,Change the value of Preferences by user Retrieving a Preference Node Java hasNext Write Keys and Values to the Properties file in Java Get All Keys and Values of the Properties files in Java Properties file in Java Properties file in Java Determining If a Preference Node Contains a Specific Value Change the value of Preferences by user Clone method example in Java Implementing a Simple Event Notifier Determining When a Preference Node Is Added or Removed Listening for Changes to Preference Values in a Preference Node Importing Preferences Finding a Preference in a Preference Tree Retrieving the Parent and Child Nodes of a Preference Node Determining If a Preference Node Exists Removing a Preference Node Creating a Preference Node Getting the Maximum Size of a Preference Key and Value
Ads

Finding a Preference in a Preference Tree

     

In this section you will learn how to find the preference of Preference node in a Preference Tree. 

You can see in the given example that we are retrieving the keys and values of the Preference node 'Java Types'. For this, we have create a method find(Preferences p) and use different methods inside it. The method p.name() returns the name of the node. In order to get the keys of the specified node, we have used the method p.getKeys() and the method p.get(s,"") returns the values with respect to the key.

Here is the code of FindPreference.java

 

 

 

 

import java.util.prefs.*;
import java.util.*;
import java.util.prefs.*;
import java.io.*;

public class FindPreferences {
public void find(Preferences p) throws BackingStoreException{
  System.out.println("Node's name: " + p.name());
  System.out.println("Information of Preference node");
  for(String s : p.keys()) {
  System.out.println("  " + s + " = " + p.get(s, ""));
  }
  }
  public static void main(String[]args) throws Exception{
  FindPreferences s=new FindPreferences();
  Preferences root = Preferences.userRoot();
  Preferences prefs = root.node("Java Types");
  s.find(prefs);
  }
}

Output will be displayed as:

Download Source Code:

 

Advertisements

Share on Google+Share on Google+

Finding a Preference in a Preference Tree

Posted on: January 12, 2009 If you enjoyed this post then why not add us on Google+? Add us to your Circles

Advertisements

 

Discuss: Finding a Preference in a Preference Tree  

Post your Comment


Your Name (*) :
Your Email :
Subject (*):
Your Comment (*):
  Reload Image
 
 
Comments:0

Ads

 

Ads