Java SE | Java EE | Oracle JDK | Open JDK | JVM | Graal VM
Java is a widely used programming language used to create a variety of applications, including web applications, mobile applications, and games. It is an object-oriented language, which means that it is based on the concept of objects and their interactions with each other, and is not simply a series of statements that are executed linearly. Known for its simplicity, portability, and security, Java is widely used to develop robust and scalable applications that can be deployed on a variety of platforms.
J2EE (Java 2 Platform, Enterprise Edition) is a set of technologies and standards used to develop and deploy enterprise-level Java applications. It includes a set of tools and frameworks such as JavaServer Pages (JSP) and JavaServer Faces (JSF), which are designed specifically for building Web applications, as well as technologies such as Enterprise JavaBeans (EJBs) and the Java Persistence API (JPA), which are used to build the backend of an application.
The most popular Java frameworks include Spring and Hibernate. Spring is a framework for developing Java-based applications, while Hibernate is a framework for accessing and managing data in a database. These frameworks make it easier for developers to create and maintain complex Java applications. Other popular Java frameworks include the Apache Struts framework, which is used to build web applications with a model-view-controller (MVC) architecture, and the JavaServer Faces (JSF) framework, which is used to build user interfaces for web applications.
Other technologies commonly used in conjunction with Java include the Java Virtual Machine (JVM) and the Java Development Kit (JDK). The JVM is a program that executes Java code, while the JDK is a collection of tools used to develop Java applications. These technologies are essential for anyone who wants to work with Java.
BITS experts have used Java, Java frameworks as well as related technologies in a wide range of projects. A selection of case studies and references can be found below.