Java

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Basics

Version

java -XshowSettings:properties -version

JDK

From deb

sudo apt install ./Downloads/jdk-11.0.1_linux-x64_bin.deb

Through apt-get

sudo apt-get update
sudo apt-get install default-jdk

Location

Likely location of the JDK:

/usr/lib/jvm


IDE

Bundled IDEs on Ubuntu:

sudo apt install ubuntu-make

Or, for IntelliJ:

sudo add-apt-repository ppa:mmk2410/intellij-idea-community
sudo apt-get update
sudo apt-get install intellij-idea-community

Payara

./asadmin deploy /home/maxim/Dropbox/netbeans/GettingStarted/dist/GettingStarted.war
./asadmin redeploy /home/maxim/Dropbox/netbeans/GettingStarted/dist/GettingStarted.war
./asadmin start-domain
./asadmin stop-domain
./asadmin list-applications
./asadmin undeploy 

An example of a path for a test resource:

http://localhost:8080/GettingStarted/webresources/get

...assuming webresources are in the application config