I find it really odd that the initCause method of Java's Throwable class can only be called once, or even not at all (if the constructor accepting a Throwable was used). This makes exception chaining ...
In Java, there are four available access modifiers for methods: public - any class can use this method. protected - classes in the same package and subclasses in any package can use this method. ...
It is an error if you do anything in a constructor before calling the superconstructor. I remember that I had problems because of that. Yet, I do not see how this saves us from errors. It could save ...
From the official documentation... Modifier Class Package Subclass World public Y Y Y Y protected Y Y Y N no modifier Y Y N ...
I have started learning about C# and I come to what is called 'Automatic memory management' or 'Garbage collectors' and I'm wondering if Java contains something like this as well? and if it does, does ...
I had a discussion with a coworker today, whether usage of using the Java operator instanceof is a kind of reflection. And the discussion quickly evolved into what actually defines reflection. So, ...
In a recent video on Java, Joshua Bloch states at 4 minutes 20 seconds into the video: And then there's inheritance, and that was a marketing necessity. You know, we can argue whether you really ...
I am fairly new to programming, I have studied in computer science for 3 years at college, but as you know, school is only 2% of what really makes one a fully-fledged programmer. I have a lot of ...
Since I'm working on a server with absolutely no non-persisted state for users, every User-related object we have is rolled out on every request. Consequently I often find myself doing lazy ...
I am about to start my first professional career position as a software developer, and I'm likely going to be writing a lot of Java code. I don't know that much about what specifically I'll be ...
One day while trawling through the Java language documentation, as you do, I found this little beauty lurking within Double: 0.25 == 0x1.0p-2 Now, obviously (!) this means take the number ...