In the previous chapter, I told you about runtime exceptions. These are dangerous. Most often, they come in the form of the NullReferenceException in C#. Similarly, Java has the NullPointerException. The exception names can be different, but at the core, they arise when you try to access a member of an object whose value is null. Michael Feathers wrote the following in the book Clean Code:
Returning null from methods is bad, but passing null into methods is worse. Unless you ...
