default-jdk-headless 2:1.10-63ubuntu1~02 (amd64 binary) in ubuntu bionic

 This dependency package points to the Java runtime, or Java compatible
 development kit recommended for this architecture, which is
 openjdk-11-jdk-headless for amd64.
 .
 The package is used as dependency for packages not needing a
 graphical display during runtime.