I have 2 versions of java Installed on my AWS EC2 instance; java 8 & 11 but couponservice-0.0.1-SNAPSHOT.jar file needs java 11 to run because this .jar file was created using java 11. [root@ip-172-31-94-132 ~]# alternatives --config java

1. I had on my Windows 10 (Vmachine in Citrix) Java JRE 17 preinstalled. By calling it in the command prompt with java --version, I got the response of the version that was installed. Since I needed to install JDK 11 on my machine, I proceeded to the installation from Oracle and installed the JDK8 exe file and executed it.

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New Page for "New API" and Improved "Deprecated" Page. More on Java 17 Release Notes. How to Install Java 17 (OpenJDK 17) on Debian 11 (Bullseye) Also Read: How to Install ProtonVPN on Ubuntu 20.04 LTS (Focal Fossa) Step 1: Prerequisites. a) You should have a running Debian 11(Bullseye) System.
1. You should go for OpenJDK , now maintained by the community, as Oracle has abandoned free support (and development). For the JRE, you could Create jre from OpenJDK Windows , to have your own minimal JRE. As there is currently a large confusion about Java, since Oracle made it open-source, perhaps the following article may help clear it up
To make AdoptJDK 17 the default Java version, first add it to the /usr/bin/java path: sudo update-alternatives --install /usr/bin/java java /opt/jdk-17/bin/java 1. Then run the following command to set the Java version as the default: $ sudo update-alternatives --config java There are 2 programs which provide 'java'.
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install java openjdk 11 windows 10