To build the project, you will need at least Java 8 JDK and Maven installed.
To verify the installed Java run in console:
java -version
which should show something like (yours may be different):
openjdk version "1.8.0_252"
OpenJDK Runtime Environment (build 1.8.0_252)
OpenJDK 64-Bit Server VM (build 25.252-b09, mixed mode)
Follow next steps to create JAR which can be deployed locally.
Download or clone a project locally:
git clone https://github.com/prebid/prebid-server-java.git
Move to project directory:
cd prebid-server-java
Run below command to create JAR file:
mvn clean package