Java introduction, Types of java applications, java platforms

 Java:

Java was developed by Sun Microsystems (which is now the subsidiary of Oracle) in the year 1995. James Gosling is known as the father of Java. Before Java, its name was Oak. Since Oak was already a registered company, so James Gosling and his team changed the name from Oak to Java.

Platform: Any hardware or software environment in which a program runs, is known as a platform. Since Java has a runtime environment (JRE) and API, it is called a platform.

Types of java applications:

Type	Description
Standalone Applications	Single-user applications with GUI (e.g., Swing, JavaFX), ex: media players, editors etc..
Web Applications	Server-side applications running in browsers (e.g., JSP, Servlets)
Enterprise Applications	Large-scale applications for businesses (e.g., Java Enterprise edition j2EE, Spring Boot, Ejb, struts, jsf)
Mobile Applications	Applications running on mobile devices (e.g., Android apps)

 

 

Java Platforms

Platform	Purpose	Key Features	Typical Use Cases
Java SE	General-purpose platform for desktop and standalone applications	Core libraries, GUI (Swing/JavaFX), networking, I/O, etc.	Desktop applications, utilities, command-line tools
J2EE	Enterprise applications, scalable web apps, and services	Web services, EJB, JPA, JMS, and enterprise frameworks	Large-scale business systems (CRM, ERP), web services
Java ME	Mobile and embedded applications on resource-constrained devices	CLDC, MIDP for mobile, small embedded systems	Mobile apps (feature phones), IoT, smart devices
JavaFX	Rich client applications with advanced UIs	Scene graph, animations, rich graphics, declarative UI with FXML	Rich desktop apps, interactive tools, media players