Using servlets for request and response management

Servlets are the core place to deal with requests and responses using Jakarta EE. If you are still not familiar with it, consider this. A JSP is simply a way to build a servlet once the page is called. So, it is the place to deal with this request.

This recipe will show you three features to take advantage of when using servlets:

• Load on startup
• Parameterized servlets
• Asynchronous servlets

Getting ready

We will start the recipe by adding the dependency to your project:

        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-api</artifactId>
            <version>8.0</version>
            <scope>provided...