Java Tutorials

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How to get Id of asset in Android at runtime

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.

Steps to install Java and setup Java development environment in Linux (Ubuntu)

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.

One of the new additions in Java 7 is a very useful mechanism for recursively traversing file trees and in this tutorial we will see how to walk through files and processing -pre and -post visiting events

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.

What is immutable class and why the String class is made immutable in java?

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

Learn how to run a few domain names on the Java application server GlassFish, which combines enterprise-class capabilities with open source cost efficiency. It’s an enterprise-ready application server with true interoperability and a wide range of features including superior documentation, administration, and configuration.