Stream API – Java advanced (OCP)
The Java Stream API allows to create pipelines of chained methods to produce a result. It exists since Java 8.…
Collections in Java: there’s more than ArrayList – Java advanced (OCP)
In a previous article I covered Array and ArrayList. Here, I’m going through other data structures in Java and some…
Developing secure applications – Java advanced (OCP)
This post covers Java security related topics as presented at Oracle University Online (Java SE 11 training) and as required…
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.…