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In Struts 2, the validation framework is well engineered. The Struts 2 takes validation component to a new level of refinement, modularity, and clean integration.
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n array is a container object that holds a fixed number of values of a single type. The length of an array is established when the array is created. After creation, its length is fixed. You have seen an example of arrays already, in the main method of the "Hello World!" application. This section dis
Class loaders are hierarchical. Classes are introduced into the JVM as they are referenced by name in a class that is already running in the JVM. So how is the very first class loaded? Read this tutorial to know more.
The Collections and Arrays can sorted using the method in the API. Java.util.Colections,sort() and Arrays.sort() method is used to sort the Collections and Arrays. Remember that argument passed to Collections.sort() method must implement the Comparable interface otherwise we will get a compilation
This tutorial provides a java class which can be used to convert a String to base64 encoded string and than decode it back to the original String.
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Lets explore how can you add a file to a zip file or create a zip file for a given file.
The Security Assertion Markup Language (SAML) standard defines a framework for exchanging security information between online business partners. It was developed by SSTC of OASIS.
Here is an example of the contents of a properties file.In this tutorial you will learn how to use Java properties file to pass parameters to java application.