To install Dapp canister, use either local Dfinity SDK or remote Motoko Playground.
This application requires Java version 1.8.
Modify application.properties file to set canister location and id.
ic.location=https://icp-api.io/
ic.canister=7pon3-7yaaa-aaaab-qacua-cai
Run Gradle build. Modify Java version in the build file if higher than 1.8.
gradle build
Run Java with fat jar
java -jar build/libs/ic4j-sample-helloworld-0.7.0.jar