Nested classes – Java advanced (OCP)
A nested class is a class written inside another, in order to prevent outside classes to access it or use…
A software engineer's journey
A nested class is a class written inside another, in order to prevent outside classes to access it or use…
This article is probably to be read together with the one on methods in Java OOP. There is a lot…
Certification and technical interviews will check if you know your OOP principles and can apply them. Even in level one…
As I found pretty few feedbacks on taking the 1Z0-819 certification (which is understandable as the certification is quite recent),…
Since Java 8, the java.util.Date class is deprecated and new package java.time was introduced. Even though the old Date class…
Wrapper classes are reference types that allow to manipulate primitives as so. They are thus nullable, and are necessary to…
Arrays are a very important structure in a programming language. In this article I’ll talk about arrays ([ ]) and…
String and StringBuilder classes don’t work the same at all. Here are the differences between them as well as tricks…