Скачать или смотреть How to install Oracle java11 in Ubuntu

This video will show you how you can install java in ubuntu using terminal or manually.

for beginners command line is recommended.

Commands to install jdk:
adding repository: sudo add-apt-repository ppa:linuxuprising/java
install jdk: sudo apt-get install oracle-java11-installer
ser default: sudo apt-get install oracle-java11-set-default


this is the path to jdk:

JAVA_HOME=/usr/local/java/jdk1.8.0_191
JRE_HOME=$JAVA_HOME/jre
PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
export JAVA_HOME
export JRE_HOME
export PATH

In first line /usr/local/java/jdk1.8.0_191
it is my location make sure you use your own location, and version of jdk that you have installed.