Bad Programming Practices 101: Become a Better Coder by Learning How (Not) to Program

© Karl Beecher 2018

Karl BeecherBad Programming Practices 101https://doi.org/10.1007/978-1-4842-3411-2_8

8. Modules

Karl Beecher¹ 

(1)

Berlin, Germany

 

Objectives

In this chapter, you’ll learn:

• How to make a mess of importing modules

• How to write modules that are hard to use and error-prone, specifically modules

  • that are inflexible, do too much, and fight against being reused; and

  • whose poor design make errors more likely and cause pain for future maintainers.

Prerequisites

Before reading this chapter, it will help if you’re familiar with the following:

• The basic idea of modules and how they can be used by each other

• Access modifiers in Java (private, public etc.)

• The concept of a software interface

Introduction

Modules are supposed to help you in various ways. ...