I'm using Ubuntu 16.04 to learn java. Can anyone help me?

Question

Java on Ubuntu

Answer 1

see the third answer to this post:
https://askubuntu.com/questions/921345/installing-a-java-dev-kit
it may be helpful

Answer 2

Actually, I am totally new in this. I am not familiar. Can you guid me, how can I start? Java (jdk 9.0.1) is installed in computer.

Answer 3

download IDE or use this commands in terminal:
for compiling use: "javac file.java"
for running use: "java file"

I recommend to use Intellij IDEA or eclipse.