What is Java ? How Many types of java application ?

What is Java ?

Java is a high level and object-oriented programing language.

Example :

class Codeash {

         public static void main(String args[]){

                   System.out.println("Hello Codeash");

         }

}

Types of java applications ?

There are mainly 4 types of applications that can be created using java programming:

1) Standalone Application

2) Web Application

3) Enterprise Application

4) Mobile Application

1) Standalone Application

Applications that we need to install on machine such as VLC player, antivirus, M.S Office etc. Swing, AWT and javaFX are used in java for creating standalone applications. It is also known as window-based application or desktop application.

AWT - A number of pre-constructed components are defined in AWT. Such as menu, button, list, and numerous third-party components.

Swing - GUI widget toolkit is also known as Swing, additionally provides certain advanced components like trees, tables, scroll panes, tabbed panel and lists.

javaFX - A set of media packages and graphics used by javaFX, it provides 3D graphic features, Swing interoperability and self-contained deployment model which facilitates quick scripting of Java applets and applications.

2) Web Application

An application that runs on the server side and creates dynamic page, is called web application. At Present Servlets, Struts or JSPs etc technologies are used in web applications. The higher security offered by the java has allowed a large number of government applications for health, social security, education and insurance.

3) Enterprise Application

Java Enterprise Edition (Java EE) distributed in nature, provide API and runtime environment for scripting and running enterprise software which including network applications as well as web-services.

3) Mobile Application

A Application that is created for mobile devices. Java Platform, Micro Edition (Java ME or J2ME) is a cross-platform framework to build applications. At Present, applications for Android, one of the most popular mobile operating systems, are usually scripted in Java using the Android Software Development Kit (SDK) or other environments.