In this tutorial, we are going to show you how to install and manage multiple Java versions on a Linux server. Java is an object-oriented web programming language used in thousands of applications worldwide and has a huge community of developers and regular users. Java is divided into two t...
Follow these easy steps for various operating systems on how to set the default Java environment to use when multiple Java versions are installed.
Using the Command-line to find Java Versions - Mac The Java Runtime (JRE) that you download from java.com or oracle.com contains a plugin to run Java content from your browser. In order to use the command line tools, you will need to download the Java Development Kit (JDK). The JRE...
At the time of writing, there are four long-term supported (LTS) versions of Java: 8, 11, 17, and 21. The default Java development and runtime in Ubuntu 22.04 is set to Java 17, meaning you will get Java 17 installed on your system if you install the default-jre package.Execute...
dig deeper into the archive of old Java versions to find one that runs a specific vintage program. Downloading multiple older versions is also a useful way to follow the evolution of the code over time as a learning tool. Whatever your reasons, installing an older Java version is ...
How to Install Java on Ubuntu 22.04. Java is one of the most popular programming languages which is widely used to built applications. It runs on all major operating systems and devices. In this guide you are going to learn how to install multiple versions of Java (11, 17, 18) Runtime...
What is JAVA_HOME in Ubuntu? JAVA_HOME is an environment variable in Ubuntu that points to the directory where the Java runtime environment (JRE) or Java development kit (JDK) is installed. It is used by many Java applications and development tools to determine the location of Java. ...
Exception in thread "main" java.lang.UnsupportedClassVersionError: com/baeldung/MajorMinorApp has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0 ...
How to work with multiple versions of powershell modules?. My hell how to write a PowerShell script that asks users to choose between four items: how to write batch file to run multiple powershell script? How to write content to TXT file on remote server ? How to write in Excel via...
Having multiple versions of Java installed can lead to conflicts, causing the system to struggle to identify the correct version. Corrupted Java Files: In some cases, certain Java files may become corrupted during installation, causing issues when trying to run Java applications. ...