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.…
Developing secure applications – Java advanced (OCP)
This post covers Java security related topics as presented at Oracle University Online (Java SE 11 training), as required for…
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…
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…
APACHE POI – Dropdown and dependent dynamic dropdown lists for Excel from Java
UNPOPULAR OPINION! I LOVE Excel. Which is great because since I’ve started working as a software developer, I think every…