sst-aws-cdk/lib/init-templates/sample-app/java/cdk.json

AWS CDK CLI, the command line tool for CDK apps

{
  "app": "mvn -e -q compile exec:java",
  "watch": {
    "include": ["**"],
    "exclude": [
      "README.md",
      "cdk*.json",
      "target",
      "pom.xml",
      "src/test"
    ]
  }
}