ESB ProfessionalshutterstockTo install Nextcloud on Ubuntu 22.04, you can carry out most of the necessary steps via the command line. In addition to the installation, it’s possible to set up an administrator and SSL certificate. The prerequisite is that your system is up to date. We’ll guide you through the…
ESB ProfessionalShutterstockIn job interviews for software development, there’s a strong focus on specialist knowledge. In addition to describing processes and understanding team roles, questions about programming languages are par for the course. One of the most important languages is Java. We’ve put…
REDPIXEL.PLShutterstockJava variables can store different data types and are an elementary part of the programming language. In this tutorial, we explain how to declare and initialise Java variables, what the different variable types are and how variables work with different data types. We also show a…
ra2 studioShutterstockAs conventional strings cannot be subsequently changed without creating a new object, an alternative can often come in handy. Java StringBuilder allows you to manipulate the stored string using various methods. In our article, you can find out how the class works, what…
UndreyShutterstockTo convert string to int in Java, you have the choice between two practical methods: Integer.parseInt() and Integer.valueOf(). We will explain how the two methods work, show you their syntax and explain how to use them through some practical examples. You will also learn about…
GaudiLabShutterstockIf you want to extract a substring from a string, you have various options available to you. Probably the most effective method is Java’s substring(). In our dedicated article, we explain how this method works and show you its two variants with and without endIndex using some…
ra2 studioShutterstockIn Java, you can separate a string into several different substrings. The best method for splitting strings in Java is split(). The method has two parameters and some other particularities that you should be aware of. In this article, we explain everything you need to know about…
NDAB CreativityshutterstockJava’s modulo is also known as the remainder operator. It is used to determine what the remainder is after dividing two numbers and takes that into account in your code. In this dedicated article, we explain why the modulo operator is so important in Java and we also show you how…
iJeabShutterstockOne of the most important datatypes in Java are strings. Java strings are used to represent sequences of characters and digits. Once you’ve created a string, it is immutable and cannot be changed. In this tutorial, we show you the syntax for strings in Java, how they work and…