Apr 07, 2011 — 5 comments
Apache Lucene is a widely used text search engine and in this tutorial we will see how to create an index of the database records
Previously we showed you how to schedule MySQL and MariaDB backups in the Jelastic Cloud, and now it’s time for a NoSQL solution. This tutorial is focused on creating an automatic MongoDB backup with the help of a cron scheduler.
A tutorial on how to compress and decompress files and folders using Java APIs
This is also a very popular java interview questions mostly asked as how to reverse string in Java without using Stringbuffer reverse but There are many different ways to solve this problem using recursion and in this article we discuss one of those way to reverse string in Java.
In general operating system's environment variables are key value pairs accessible from all install software programs and can affect the excecution of processes and programs and in this tutorial we will see how to access and set the value of environment variables.
This is a step-by-step tutorial on how to create a Spring MVC event calendar using DHTMLX JavaPlanner web control. It covers the steps of the web control initialization, demonstrates how to populate the event calendar with data and define the logic for data loading and saving. Source code and a ready demo sample are included.
Factory Method pattern is a widely used design pattern that applications written in all modern programming languages such as Java or C# base their structure and implementation.In brief Factory Method Pattern is a class that creates objects.In general with Factory Method we have an interface or an abstract class which has common state and functionality and that delegates its instantiation to its subclasses.
Facing error while updating ADT 23 in Eclipse Android bundle
When we are developing web applications we might come up with the case where the users must login to the application and let users access some pages according to their role (admin,registered user,guest etc).In this tutorial we will work on authorizing and authenticating users using Hibernate and Servlets/JSP.
Learn Access control in Java using access modifiers. Simple explanation in easy words with code example for better understanding.
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