Descarcati varianta pentru Linux de aici:
http://jdk.java.net/10/

darius@pc ~/Downloads $ ls


darius@pc ~/Downloads wget https://download.java.net/java/GA/jdk10/10/binaries/openjdk-10_linux-x64_bin.tar.gz

darius@pc ~/Downloads $ ls
openjdk-10_linux-x64_bin.tar.gz

darius@pc ~/Downloads wget https://download.java.net/java/GA/jdk10/10/binaries/openjdk-10_linux-x64_bin.tar.gz

darius@pc ~/Downloads $ tar -vxf openjdk-10_linux-x64_bin.tar.gz 

darius@pc ~/Downloads $ ls
jdk-10  openjdk-10_linux-x64_bin.tar.gz


darius@pc ~/Downloads $ sudo mv jdk-10/ /usr/lib/jvm/java-10-openjdk-amd64

darius@pc ~/Downloads $ ls /usr/lib/jvm/java-10-openjdk-amd64/
bin  conf  include  jmods  legal  lib  man  release

darius@pc ~/Downloads $ cd ~

darius@pc ~ $ sudo update-alternatives  --install /usr/bin/java java /usr/lib/jvm/java-10-openjdk-amd64/bin/java  20

darius@pc ~ $ sudo update-alternatives  --install /usr/bin/javac javac /usr/lib/jvm/java-10-openjdk-amd64/bin/javac  20

darius@pc ~ $ sudo update-alternatives  --config java
(se va selecta numarul corespunzator lui java 10, se introduce numarul, se apasa enter)

darius@pc ~ $ sudo update-alternatives  --config javac
(se va selecta numarul corespunzator lui javac 10, se introduce numarul, se apasa enter)

darius@pc ~ $ javac -version
javac 10

darius@pc ~ $ java -version
openjdk version "10" 2018-03-20
OpenJDK Runtime Environment 18.3 (build 10+46)
OpenJDK 64-Bit Server VM 18.3 (build 10+46, mixed mode)