Encode or Decode a Base64 String using native Java
This tutorials shows 3 ways how to encode or decode a Base64 String. Prior to Java 8 it was not possible with standard java library so we had to use a 3th party library...
Memorynotfound Java Programming Tutorials
How to read input from console with Java
In this tutorial we show you how to read input from console with Java. java.io.BufferedReader wrapped in a java.io.InputStreamReader java.util.Scanner BufferedReader wrapped in a InputStreamReader The System.in is the standard input stream this stream...
Configure Jersey with Annotations only
In this tutorial we show you how to Configure Jersey with Annotations. By using only Annotations to configure jersey, the web.xml file becomes obsolete. This results in cleaner code which is always a good...
JSF Passing Parameters via Method Expression
In this example we’ll talk about passing parameters via method expression. When you need to pass a parameter to a managed bean method, you can just pass the parameter between brackets. You can pass...
JSF Managed Bean XML Configuration
In this tutorial we will be creating JSF Managed Bean XML Configuration. You can configure managed beans with XML inside the WEB-INF/faces-config.xml file or if you have a large project and you want to...
JSF Access Managed Bean Programatically
This tutorials shows how to access a JSF or CDI managed bean programatically. Sometimes, you may need to access a JSF or CDI managed bean from an event listener or another managed bean. You...
JSF Hidden Input Value Example
In this example we show the usage of the JSF hidden input value tag. The tag can be used to pass temporary data or information provided by the user that should be used again....
CDI Managed Bean example with @Named
This tutorial show how to create CDI managed beans. CDI is preferred over plain JSF backing beans because CDI allows for Java EE wide dependency injection. In a future release of JSF the @Managedbean...
Passing variables in JSF Flash Scope
This tutorial we’ll talk about JSF Flash Scope which is introduced in JSF 2.0 and is utilised when you need to pass parameters between views without the need to store them in the session....
Inject CDI Managed Bean
This tutorial we show you how to inject CDI managed bean into another. CDI is much more powerful then plain JSF managed beans. With JSF Managed beans you where limited to JSF beans only....