2) Java has a separate installation for development because it is a compiled language. You need a compiler and some supporting files and classes (that is, the JDK) to develop software. But you don’t need that to run Java programs, you just need the Java Runtime Environment.
Read moreDo I need to install JDK separately?
If you want to develop Java applications, download the Java Development Kit, or JDK. The JDK includes the JRE, so you do not have to download both separately . If you need the JRE on a server and do not want the ability to run RIAs, download the Java SE Server JRE.
Read moreDo I need to install both Java and JDK?
1 Answer. You do not need to install JRE then, as JDK usually consists of both development & run-time environments in it. If you install JDK then JRE will already be packaged in it and installed automatically along with JDK.
Read moreIs it free to update Java?
Java 17 available now Java 17 LTS is the latest long-term support release for the Java SE platform. JDK 17 binaries are free to use in production and free to redistribute, at no cost , under the Oracle No-Fee Terms and Conditions. JDK 17 will receive updates under these terms, until at least September 2024.
Read moreCan you still update Java?
Generally speaking it should be safe to upgrade to the latest Java Runtime Environment (JRE) for your operating system , then uninstall previous releases using the “Java Uninstall Tool.” The Java Uninstall Tool will automatically figure out which releases are no longer required and remove them for you.
Read moreHow do I update Java from 1.8 to 11?
Migrating to Java 11 from Java 8
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