Chapter 9: When Things Go Wrong – Bugs and Exceptions
Writing software can be hard, and when we write it, we will make errors. We will, unintentionally, introduce bugs to our application.
Some of them will be rather trivial to find and fix, but some can set us off on a wild goose chase through the code where we try to understand the reasons as to why things are not working the way we expect them to.
It is not unheard of that people spend days, and sometimes weeks, attempting to track down a bug. To be able to find bugs in our applications, we will need to understand what kinds exist and how they affect the way our applications run. This chapter will help us recognize them.
In this chapter, you will learn about the following topics:
- Understanding software bugs
- Finding bugs using a debugger
- Working with exceptions
- Handling exceptions
In this chapter, we will also talk a bit about variables and data types. Look back at Chapter 6, Working with...