Annotations – Java advanced (OCP)
Java provides built-in ready-to-use annotations as well as the possibility to create one’s own annotations. Annotations allow to add metadata…
Concurrency and Multithreading – Java advanced (OCP)
Every Java program running has at least one thread, “main”, automatically created by the JVM. Each thread is represented by…
JDBC : Java DataBase Connectivity – Java advanced (OCP)
JDBC is a database neutral Java API in the java.sql package that allows connectivity and operations on databases. JDBC drivers…
Modularity – Java advanced (OCP)
Possibility to organize a projects in modules appeared in Java 9. In this post, we’ll have a look at differences…
Functional programming and lambda expressions – Java advanced (OCP)
Functional Programming (FP) is a programming paradigm, as OOP is. Java can make use of both. FP relies on Functions.…
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…
Class design – OOP | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
This article is probably to be read together with the one on methods in Java OOP. There is a lot…
Methods – OOP | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
Certification and technical interviews will check if you know your OOP principles and can apply them. In the associate level…