Trouble updating to Java 8 JDK
95554
Why does the version of Java verified by Oracle differ from the version shown at the command line?
50800
How to install OpenJDK 8 on 14.04 LTS?
107340
"Invalid signature file" when attempting to run a .jar
153061
Is The Java Tutorials Translucent Window example giving trouble to those playing with jdk7?
124867
Can't install Oracle JDK 9
93942
How to fix "Failed to download repository information" error while updating?
67711
How to install the OpenJDK 8 (Ubuntu 19.04)?
25243
Install Java JDK and JRE on Debian 8
39
How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version
75477
How can I install OpenJDK on Ubuntu 16.04?
46998
Can't install Oracle Java 8 in Ubuntu 16.04
102711
Cannot execute Java program: UnsupportedClassVersionError
84773
cannot run a simple java code
22218
What causes java.lang.IncompatibleClassChangeError?
118229
exec: 2508: /tmp/install.dir.30906/Linux/resource/jre/bin/java: not found
19390
update-java-alternatives vs update-alternatives --config java
150361
Updating Java HashMap key