Dependency Injection Principles, Practices, and Patterns

3 Writing loosely coupled code

In this chapter

• Redesigning Mary’s e-commerce application to become loosely coupled
• Analyzing that loosely coupled application
• Evaluating that loosely coupled application

When it comes to grilling steak, an important practice is to let the meat rest before you cut it into slices. When resting, the juices redistribute, and the results get juicier. If, on the other hand, you cut it too soon, all the juice runs out, and your meat gets drier and less tasty. It’d be a terrible shame to let this happen, because you’d like to give your guests the best tasting experience you can deliver. Although it’s important to know the best practices for any profession, it’s just as important to know the bad practices and to understand ...