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…
As I found pretty few feedbacks on taking the 1Z0-819 certification (which is understandable as the certification is quite recent),…
Wrapper classes are reference types that allow to manipulate primitives as so. They are thus nullable, and are necessary to…