The C header and stub generator, used to write native methods javap The jar signing and verification tool javah Tool to package and sign JavaFX applications jarsigner The archiver, which packages related class libraries into a single JAR file. The documentation generator, which automatically generates documentation from source code comments jar The Java compiler, which converts source code into Java bytecode javadoc The old deployment launcher, jre, no longer comes with Sun JDK, and instead it has been replaced by this new java loader. Now a single launcher is used for both development and deployment. This tool is an interpreter and can interpret the class files generated by the javac compiler. Exposes assistive technologies on Microsoft Windows systems. ![]() This utility generates Java bindings from a given Java IDL file. This tool can be used to run and debug Java applets without a web browser aptĪ utility which can detect JAR-file conflicts idlj Difference between Fedora and Red Hat Enterprise Linux.Installing, Configuring and Troubleshooting MySQL/MariaDB.Creating Windows virtual machines using virtIO drivers.Installing virtual operating systems with GNOME Boxes.Getting started with virtualization (libvirt).Upgrading Fedora using the DNF system upgrade.How to Set NVIDIA as Primary GPU on Optimus-based Laptops.How to join an Active Directory or FreeIPA domain.Getting started with Apache HTTP Server.Managing keyboard shortcuts for running an application in GNOME.Controlling network traffic with firewalld.Displaying a user prompt on the GNOME login screen.Understanding and administering systemd.Performing administration tasks using sudo.Configuring networking with NetworkManager CLI (nmcli).Disabling the GNOME automatic screen locking.Setting a key shortcut to run an application in GNOME.Configuring Xorg as the default GNOME session.Configuring X Window System using the nf file.Installing Chromium or Google Chrome browsers.Installing plugins for playing movies and music.APT command equivalents on Fedora with DNF.Securing the system by keeping it up-to-date.Adding or removing software repositories in Fedora.Finding and installing Linux applications.Creating and using a live installation image.This will give you a list output similar to this: There are 2 choices for the alternative java (providing /usr/bin/java). To get a list of your installed Java platforms, run the following command from the terminal: sudo update-alternatives -config java From this Ask Ubuntu Q&A: Setting JDK 7 as default ![]() The easiest method is using Java installer. There is a better way than going through files line by line and changing an 8 to an 11. Indeed it contains the exact same contents as /etc/profile.d/jdk.sh You probably surmise /etc/profile.d/jdk.csh needs changing too. Setenv DERBY_HOME /usr/lib/jvm/java-8-oracle/db Setenv JAVA_HOME /usr/lib/jvm/java-8-oracle ![]() Use this command: $ sudo grep -rnw -exclude-dir=:/usr/lib/jvm/java-8-oracle/bin:/usr/lib/jvm/java-8-oracle/db/bin:/usr/lib/jvm/java-8-oracle/jre/bin `grep`ing all files for a string takes a long time.The answers and some comments focus on how to set JAVA_HOME to version 11 but the question is partly about "where is version 8 being set?".
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