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On current Debian testing, I am unable to install sun-java6 packages. They are not in the repository. Legacy software depends on them, I must install them right now.
Check the following wiki regarding Java installation on Debain:
https://wiki.debian.org/Java/Sun
Try this:
to install Java Development Kit(jdk)
# apt-get install sun-java6-jdk
or the Java runtime environment (jre):
# apt-get install sun-java6-jre
Source: https://wiki.debian.org/Java/Sun
Here's another resource (for Ubuntu) that includes instructions for manually installing Oracle (aka Sun) Java 6 on Ubuntu. I think that the instructions should work for Debian too.
https://help.ubuntu.com/community/Java
The page also covers other versions of Java.
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I am using the latest 2020 version of Eclipse. After installing JRE from https://www.java.com/en/download/windows-64bit.jsp, when I run Eclipse, I get this error:
Version 1.8.0_261 of the JVM is not suitable for this product. Version: 11 or greater is required.
After checking out java -version from command line, I've found out that my Java version is 1.8.0_261.
So, do I have to upgrade to Java 11? If yes, then how?
Download AdoptedOpenJDK 11 (which is free popular legal JDK to use) from here : https://adoptopenjdk.net/
Install it and set JAVA_HOME or JRE_HOME in the environment variable. That's all.
But you can use JDK from other free vendors as well.
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I used to be able to download a tar.gz version of the Java 8 JRE for Windows, now there is only the installer version. Does anybody know what happened to this or if there is another official Java "portable" download?
Edit: Same goes for Mac OS X, is there a tar.gz version of the Mac version of Java as well?
Ah, I found it. The JDK doesn't have a tar.gz, but the JRE does.
http://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html
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I reinstalled the jdk after the installation of the new operating system, and set the environment variable of the system accordingly. I also restarted the computer after the reinstallation and the setup of new environment variable. Still, i am not able to run any java programs on my computer.
https://onedrive.live.com/redir?resid=B2D6F26E24ACBDB2!2168&authkey=!AJaB6lD3MDO37hA&v=3&ithint=photo%2cpng
https://onedrive.live.com/redir?resid=B2D6F26E24ACBDB2!2167&authkey=!ADKlC8-dOFuH77Y&v=3&ithint=photo%2cpng
if you install jdk and java SE correctly
2.then download netbeans from netbeans.org/downloads/. Make sure that you are downloading netbeans 8.0.1. it will automatically fix errors and install necessary file.
after installation go on Cmd and type Javac
follow will be the screen of cmd after running this specific command
enjoy java :)
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I need to run java applet in my Linux machine. So I tried the steps in java.com to install JRE. What should I do after extracting JRE .tar file.I want the java to be available in my Firefox?
You're most likely not looking for JRE, but instead to install the JVM Java install. ie. 'Java 8 update 56' (or the simplified revision download) etc. rather than JRE 8.56.#... Note: The differences in both installs is quite small, but should follow the same steps either way.
The official home of Java and respective download links.
It should be as simple as following the install requirements here. Download the RPM and as an administrator account run (replacing rpm location):
rpm -i /path/to/java.rpm
More information on installing the Java RPM
Edit: If using Ubuntu, there's a perfect answer for this over in the Ubuntu distro forum.
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I downloaded eclipse IDE and extracted it, but when I run it I get this error:
Error: could not open 'C:\Program Files\Java\jre7\lib\amd64\jvm.cfg'
PS : I already have JDK and my windows is 64bit
Updating JDK to 1.7 didn't help (because I already have it) and other solutions that I couldn't understand (maybe because instead of amd64 in other posts it was "I'and 3 digits'").
This is not the problem of your Eclipse, but your JRE. Eclipse needs a JRE (Java Runtime Environment) to run. I suggest to remove your currently installed version, and download a new one from the Oracle.