Simple example of the OPC UA implementation using Eclipse Milo Library
<dependency>
<groupId>org.eclipse.milo</groupId>
<artifactId>sdk-client</artifactId>
<version>0.6.9</version>
</dependency><dependency>
<groupId>org.eclipse.milo</groupId>
<artifactId>sdk-server</artifactId>
<version>0.6.9</version>
</dependency>$ mvn clean install
$ mvn -f pom.xml exec:java
or
$ mvn -f pom.xml exec:java@ServerMain
$ mvn -f pom.xml exec:java
or
$ mvn -f .\pom.xml exec:java@ClientMain
$ mvn -f pom.xml exec:java
or
$ mvn -f .\pom.xml exec:java@SubscriptionClient