Ubuntu 15: after installing and configuring java, echo $JAVA_Home is working, Java -version is not working
5378
How can I install Sun/Oracle's proprietary Java JDK 6/7/8 or JRE?
107554
Can't reset my JAVA_HOME to new Open JDK 11 Java installation
155801
How to appoint specific jdk version for maven to build my project?
34977
Switch between multiple java versions
132997
Setting a java ProcessBuilder environment with a bash script
17514
What version of javac built my jar?
75477
How can I install OpenJDK on Ubuntu 16.04?
146423
How to install Java in Ubuntu 20.04?
83520
Paired JAR and native library binaries for SVN Java bindings (JavaHL) on Windows?
73428
setting the correct classpath for compiling and running Java packages?
4046
How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer?
86404
Unable to setup JRE 1.5 on Alpine Linux
22857
What does "Could not find or load main class" mean?
18635
Why is my Apache not working after upgrading to Ubuntu 14.04?
93908
How can I install the latest Netbeans?
34845
How do I tell Gradle to use specific JDK version?
52762
"sha256sum mismatch jdk-7u3-linux-x64.tar.gz " error when trying to install Oracle Java