Wrapper classes | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
Wrapper classes are reference types that allow to manipulate primitives as so. They are thus nullable, and are necessary to…
Array and ArrayList | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
Arrays are a very important structure in a programming language. In this article I’ll talk about arrays ([ ]) and…
String and StringBuilder | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
String and StringBuilder classes don’t work the same at all. Here are the differences between them as well as gotcha’s…
Statements, loops and conditions | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
Loops and conditions are the core behaviors of programming languages. We’ll have a look at the particularities of them in…
Java basics – The operators | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
This article is part of my blog series on how I prepared the OCA (Oracle Certified Associate in Java 8…
Angular: how to add an input option in a dropdown list
In this article, I will explain how I implemented an free-text input field as an option in a dropdown list…
A journey towards better designed apps: UX/UI isn’t that painful after all
As a developer, I like to point out that I’m not a designer. Thinking about the look and feel of…
Java basics – the Java environment, object references and primitives, class structure, garbage collector | Preparing for Java Oracle Associate Certification (OCA) / Java basic technical tests
What are JVM, JRE and JDK? What’s the basic structure of a Java class? What are the characteristics of primitive…