Installing jdk8 on ubuntu- “unable to locate package” update doesn't fix

Question

I\'ve been trying to install the jdk on my ubuntu after downloading it.

first I\'ve used: sudo apt-get update

then: sudo apt-get install jdk*

Answer 1

I used another repository for oracle java.

sudo add-apt-repository ppa:linuxuprising/java
sudo apt-get update

sudo apt install  oracle-java11-installer

Answer 2

If you get a

sudo: add-apt-repository: command not found

then you need to run the following command

sudo apt-get install software-properties-common python-software-properties