Java Tutorials

Why do we need to put Tomcat behind an Apache server? Such a solution is widely used to improve the performance of high-load environments. Being a fast, secure and flexible HTTP server and having a variety of modules, Apache easily provides some additional functionality for various purposes.

This is our series of articles covering introductory-level Java and programming topics. Java Article 19: Intro to Java Collections - Arrays

factorial program in Java is natural example of recursion. because factorial algorithm itself multiply number to one less than it until it get zero, you can represent this algorithm easily using recursion in java

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.

You can easily run Atlassian Confluence in a clustered environment instead of a single server in the cloud, so that clients can connect to any copy and see the same information. Such a clustered configuration provides scaling under the load, i.e. a single installation of Confluence cluster serves a much greater number of concurrent requests than a single server. It greatly improves performance for organizations that demand higher availability or have a large number of concurrent users.

Learn Access control in Java using access modifiers. Simple explanation in easy words with code example for better understanding.

What is packages in java ? How to create and use them ? If you are a newbie looking for all these basic questions learn here in easy language and code examples.

Enumeration in Java. How to create enums and use it in java. Explained with code examples.

How to get Id of asset in Android at runtime

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.