JSF 2 Tutorials and Examples

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JavaServer Faces (JSF) which provides a Component-Based Architecture for developing reusable User Interface Components hides most of the complex stuffs that are happening in the View portion of the MVC-2 Architecture. The framework is not only limited to developing customized User Interface Components but also provides support for various Advanced Features like Event handling Mechanism, Validating User Inputs that are sent by the clients, Easy Page Navigation […]

java.io.NotSerializableException

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java.io.NotSerializableException is thrown when the object is not eligible for the serialization. You must implement the Serializable interface to make the class eligible for the serialization. This is a marker interface which tells the JVM that the class can be serialized. Look at the below example. Employee.java Employee class which not implementing the serializable interface. NotSerializableExceptionExample.java […]

java.io.UnsupportedEncodingException

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In my previous example I have explained how to check if your JVM support the charset used by your application. Java IO package defines java.io.UnsupportedEncodingException as a checked exception for catching it if programmers want to use the charset operation. If the JVM not supports the charset, then you will get the java.io.UnsupportedEncodingException thrown from your application. […]

How To Get Supported CharSet From JVM

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If you want to view the web page or anything in your system, there must be chartset to support the one used in the web page or files. Most of the web pages would work because the most common charset is English which is by default supported by all the platforms. If you are viewing […]

Append To File using FileOutputStream

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In my previous example I have explained about how to write to a file using the FileOutputStream. This example demonstrates how to append to an existing file without creating the new file. By default, FileOutputStream creates new file or overwrite when we try to write into a file. If you want to append with the […]

Java PrintStream Example

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In my previous example I have explained about the PrintWriter for printing the formatted output to the console and file. This example demonstrates how to use the PrintStream. Note that PrintWriter and PrintStream defines the similar methods and work very much similar, except that PrintWriter writes the sequence of characters and PrintStream writes the stream of […]

Java PrintWriter Example

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Java provides PrintWriter for printing the well formatted output to the desired location.  This class takes the OutputStream or Writer as the input and prints the output with the human readable format. PrintWriter defines the following constructors: PrintWriter(File file) – Creates a new PrintWriter, without automatic line flushing, with the specified file. PrintWriter(File file, String […]

Java BufferedOutputStream Example

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If you are writing the very much IO intensive application which needs to write huge amount of data to the files, then you have to do some kind of buffering to improve the performance. Here BufferedOutputStream will be helpful for writing the stream of characters into a file which internally manages a buffer for improving the […]

Java FileOutputStream Example

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This example discuss about the FileOutputStream. This class extends from the OutputStream and used for writing the stream of bytes into a file. This class has the following constructors for creating the instance. FileOutputStream(File file) – Creates a file output stream to write to the file represented by the specified File object. FileOutputStream(File file, boolean […]

PrimeFaces Collector Example

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Collector is a simple utility to manage collections declaratively, collector requires a collection and a value to work with. It’s important to override equals and hashCode methods of the value object to make collector work. Even you would be adding a certain object into list of the same type of that object, however, you have […]

PrimeFaces ColorPicker Example

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ColorPicker is an input component with a color palete, where it’s value should be a hex string. ColorPicker has two modes, default mode is popup and other available option is inline. Inline mode displays the picker directly into the view. 1. ColorPicker Tag Info 2. ColorPicker Tag Attributes 3. The View index.xhtml 4. Managed Bean ColorPicker.java […]

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