In the .ear file .war, .jar and application.xml file are packaged in the above format. Enterprise Archive Contents Web component follows the standard directory structure defined in the JEE specification.

Directory Structure of Web Component
/ index.htm, JSP, Images etc..



Root directory of the web archive (‘.war’ file) contains all the html, jsp, images files and the additional directories containing these files. In the root directory there is a special directory ‘WEB-INF’ which contains the web
deployment descriptor (web.xml), classes and the lib directory.

Directory Structure of Example2 directory After understanding the structure of .ear and .war file let’s look at the directory structure of example2 directory where we have work to develop the deployable .ear file. Directory structure:

Here we are creating HelloWorld.java and index.jsp which is in the /src and /web directory respectively.

Source code of HelloWorld.java:

import java.io.*;
import java.text.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HelloWorld extends HttpServlet {