Java Tutorials

Checkstyle is a source code analyzer tool that helps Java developers write Java source code that adheres to a Java coding standard. The tool is licensed under the GNU LGPL license.

Java Singleton pattern is used to make a class that must be created only once across the Java application.  In other words, a singleton class should have only one instance

J2EE technologies can be broadly divided into two main types:

Component Technologies
Service Technologies

In this tutorial, we will learn the Hibernate installation process. Hibernate is not installable software like Windows applications. It is distributed as a .jar file

Hibernate is an ORM tool. ORM stands for Object Relational Mapping. This tool can map the Java POJO class objects to the backend relational database tables. POJO

Java web application is a server-side application that runs on a web container/web server and provides service to multiple clients on the Internet. Clients can access