can you write web apps in java code example

Example: how to develop web apps using java

/*Step1: Open Eclipse Create a Dynamic Web Project. Open the Eclipse IDE, navigate to File-> New-> Dynamic Web Project.
Step2: Provide Project Name. ...
Step3: Create a Servlet. ...
Step4: Add the Servlet Jar file. ...
Step5: Create a HTML or JSP file. ...
Step6: Map the File. ...
Step7: Run the Application.*/