How to updated java version?

Please let me know that How to updated java version to 8 or 9? I see my java version is 1.8.0 [root@ta ~]# java -version openjdk version "1.8.0_161" OpenJDK Runtime Environment (build 1.8.0_161-b14) OpenJDK 64-Bit Server VM (build 25.161-b14, mixed mode) [root@ta ~]#
But we need update to 9.0.4 example below. java version "9.0.4" Java(TM) SE Runtime Environment (build 9.0.4+11) Java HotSpot(TM) 64-Bit Server VM (build 9.0.4+11, mixed mode)