Introducing the Cargo Tracker Application

In this chapter, we will introduce the Cargo Tracker application, which was built using Java EE 7. We will use the Cargo Tracker application throughout this book. This is the application we will migrate from Java EE 7 to Jakarta EE 10. Before we start migrating the application, it is good to understand the Cargo Tracker application. This chapter will provide an overview of the Cargo Tracker application and its features, as well as its current architecture and design.

Additionally, we will go through the various components of the Cargo Tracker application and how they interact with each other. We will cover topics such as the use of REST, WebSockets, and JavaServer Faces (JSF) for presentation, Enterprise Java Beans (EJB) for business logic, and Java Persistence (JPA) for data persistence. We will also highlight the use of Contexts and Dependency Injection (CDI) for dependency management between components.

In this chapter, we will cover...