I often notice that many students of programming do not understand the actual meaning of regular expressions. And I have seen online tutorials and even books that do not explain properly what regular expressions are. Continue reading “Regular Expressions”
Category: Misconceptions
Common misconceptions on programming and computer science in general.
I try answerings questions in a facebook group and often stumble over the same misconceptions. These are merely my thoughts on the topic and not a substitution for a proper text book. A good book can sometimes leave out certain details but it would not lead you to a complete misunderstanding of the topic.
Misnomer: String.length()
The method String.length() gives the length of the String, right? Or does it?
Is a Constructor a Method?
Why a constructor is not a method.
No, it’s not. In reflection both extend Executable, but Constructor does not extend Method. It is a common misconception that constructors are methods and often asked about at job interviews.