Some Java-based applications may require a specific version of Java, so you should consult the application documentation. If you are not sure which Java package to install, the general recommendation is to stick to the default OpenJDK (JDK 11) version. Java developers should install JDK, which includes JRE and development/debugging tools and libraries necessary to build Java applications. JRE includes the Java virtual machine (JVM), classes, and binaries that allow you to run Java programs. The default Debian 10 repositories include two different Java packages, Java Runtime Environment (JRE) and Java Development Kit (JDK). Permits only non-commercial use of the software, such as personal use and development use. There are two different implementations of Java, OpenJDK and Oracle Java, with almost no differences between them except that Oracle Java has a few additional commercial features.

Applications developed in Java are scalable, flexible, and maintainable. Java is one of the most popular programming languages used to build different kinds of applications and systems. Install Openjdk on windows | openjdk installation windows

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