Preferences Demo : Preference Properties « Development Class « Java

Java

1.	2D Graphics GUI
2.	3D
3.	Advanced Graphics
4.	Ant
5.	Apache Common
6.	Chart
7.	Class
8.	Collections Data Structure
9.	Data Type
10.	Database SQL JDBC
11.	Design Pattern
12.	Development Class
13.	EJB3
14.	Email
15.	Event
16.	File Input Output
17.	Game
18.	Generics
19.	GWT
20.	Hibernate
21.	I18N
22.	J2EE
23.	J2ME
24.	JDK 6
25.	JNDI LDAP
26.	JPA
27.	JSP
28.	JSTL
29.	Language Basics
30.	Network Protocol
31.	PDF RTF
32.	Reflection
33.	Regular Expressions
34.	Scripting
35.	Security
36.	Servlets
37.	Spring
38.	Swing Components
39.	Swing JFC
40.	SWT JFace Eclipse
41.	Threads
42.	Tiny Application
43.	Velocity
44.	Web Services SOA
45.	XML

Java Tutorial

Java Source Code / Java Documentation

Illustrator Tutorials

GIMP Tutorials

C# / C Sharp

C# / CSharp Tutorial

C# / CSharp Open Source

SQL Server / T-SQL Tutorial

Oracle PL / SQL

Oracle PL/SQL Tutorial

Flash / Flex / ActionScript

VBA / Excel / Access / Word

XML

XML Tutorial

Microsoft Office PowerPoint 2007 Tutorial

Microsoft Office Excel 2007 Tutorial

Microsoft Office Word 2007 Tutorial

Java » Development Class » Preference Properties

Screenshots

Preferences Demo


   



// : c12:PreferencesDemo.java

// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002

// www.BruceEckel.com. See copyright notice in CopyRight.txt.



import java.util.Arrays;

import java.util.Iterator;

import java.util.prefs.Preferences;



public class PreferencesDemo {

  public static void main(String[] args) throws Exception {

    Preferences prefs = Preferences

        .userNodeForPackage(PreferencesDemo.class);

    prefs.put("Location", "Oz");

    prefs.put("Footwear", "Ruby Slippers");

    prefs.putInt("Companions", 4);

    prefs.putBoolean("Are there witches?", true);

    int usageCount = prefs.getInt("UsageCount", 0);

    usageCount++;

    prefs.putInt("UsageCount", usageCount);

    Iterator it = Arrays.asList(prefs.keys()).iterator();

    while (it.hasNext()) {

      String key = it.next().toString();

      System.out.println(key + ": " + prefs.get(key, null));

    }

    // You must always provide a default value:

    System.out.println("How many companions does Dorothy have? "

        + prefs.getInt("Companions", 0));

  }

} ///:~

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.	Determining If a Preference Node Contains a Specific Value
12.	Removing a Preference from a Preference Node
13.	Getting and Setting Java Type Values in a Preference
14.	Getting the Maximum Size of a Preference Key and Value
15.	Getting the Roots of the Preference Trees
16.	Retrieving a Preference Node
17.	Removing a Preference Node
18.	Determining If a Preference Node Exists
19.	Retrieving the Parent and Child Nodes of a Preference Node
20.	Exporting the Preferences in a Preference Node
21.	Exporting the Preferences in a Subtree of Preference Nodes
22.	Determining When a Preference Node Is Added or Removed
23.	Read / write data in Windows registry
24.	Listening for Changes to Preference Values in a Preference Node
25.	Saving Data with the Preferences API
26.	INI file
27.	Preference Example:: export To File
28.	Properties load
29.	Properties TreeMap and Stream
30.	Parse Properties Files
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

www.java2java.com | Contact Us

All other trademarks are property of their respective owners.