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Install Java Development Kit 10 on Ubuntu


With the announcement of improved docker container integration with Java 10, the JVM is now aware of resource constraints, as not from prior versions. More information on this post

Differences in Java 8 and Java 10:

As you can see with Java 8:

$ docker run -it -m512M --entrypoint bash openjdk:latest

$ docker-java-home/bin/java -XX:+PrintFlagsFinal -version | grep MaxHeapSize
    uintx MaxHeapSize                              := 524288000                          {product}
openjdk version "1.8.0_162"

And with Java 10:

$ docker run -it -m512M --entrypoint bash openjdk:10-jdk

$ docker-java-home/bin/java -XX:+PrintFlagsFinal -version | grep MaxHeapSize
   size_t MaxHeapSize                              = 134217728                                {product} {ergonomic}
openjdk version "10" 2018-03-20

Installing JDK 10 on Ubuntu:

Installing Java Development Kit 10:

$ apt update && apt upgrade -y
$ add-apt-repository ppa:linuxuprising/java
$ apt update
$ apt install oracle-java10-installer
$ apt install oracle-java10-set-default

Confirming the Java Version:

$ java -version
java version "10.0.1" 2018-04-17
Java(TM) SE Runtime Environment 18.3 (build 10.0.1+10)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10.0.1+10, mixed mode)

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