Building a simple Java web project

Again, we will keep our application as minimal as possible and create a web-enabled version of the application, which we developed in the last chapter. The application will provide the user a form to input their name and a Submit button. When the user clicks on the Submit button, the greeting will be displayed.

The application will be based on Servlet 3.1 specification. We will reuse the GreetService that we developed in the previous chapter. The form will be served by a static HTML file, which can post data to our servlet. The servlet will create a greeting message and forward it to a JSP for rendering.

Note

For more details on Servlet specification 3.1, go to https://jcp.org/aboutJava/communityprocess/final/jsr340/index.html.

Creating source files

Let's create the root of the project as hello-web. The structure is similar to what we had seen for a simple Java application, with one addition, which is the web app root. The Web app root, by default, is...