Java Tutorials

join() method in Java Thread : The join() method of a Thread class allows the current thread to wait until the thread in which it is called will die. Sometime a question is asked in the interviews that How can we make sure main() is the last thread to finish in Java Program? To know more visit the link.

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.

Introduces the concepts of Object Oriented Programming, specifically relating to Java and examines and compares Procedural Programming approaches, such as those used by languages such as C and Fortran.

Goes through the basics of variables and displaying them with concatenation!

Servlet filters are the classes which can intercept the request and can modify the response. Filters are not servlets, because filters can not create the response. Some of the purpose of using filters are-To intercept requests coming from a client before process it at back end,To manipulate responses coming from server before they are sent back to the client,etc.

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.

Processing is a higher level implementation of Java for visually-based programs and a great way to learn programming for beginners. If you want to create Java applications such as games, visualizations, GUI's, Android apps or similar program types but find Java difficult to learn Processing could be what you are looking for. This in depth documentation includes tutorials, exercises and a full course for those starting out with programming.

Java tutorial on what is assertion in java and why should you use assertion to improve code quality. Also Assertion in java is fairly underused feature but if used carefully can complement both Unit Testing and Exception handling. Since Assertion sits on code its gets more expose than unit testing and can test your function with more real data than one or two test data.

Step by step tutorial on introduction to web application framework in J2EE

In the software a proxy is a substitute for a target instance and is a general pattern which appears in many other patterns in different variants. In this tutorial, we will learn how to design Proxy patterns in general, and support a Proxy in Java SDK with examples.