Software Craft

Version control systems provide a way to track changes between source code versions. Git is most likely the most commonly used one nowadays. Git can be used in different ways and there is no one correct way to do it.

The most common reason for writing null checks is that you run into a null pointer exception. The second most common reason is that you happened to think about it at some certain case.

We all have been taught that reusable code is good. We all know why we should do it but there are some misconceptions about how to do it. There are two common misconceptions about reusable code:

Every software developer has faced the situation. You have been assigned a task to add or change a feature. You know nothing about the particular feature but it does not sound too complex.