java?
      ( >=virtual/jre-1.8:* )

python?
      ( python_targets_python3_10?
            ( dev-lang/python:3.10 )
       python_targets_python3_11?
            ( dev-lang/python:3.11 )
       python_targets_python3_12?
            ( dev-lang/python:3.12 )
       )

tools?
      ( sci-visualization/gnuplot )

java?
      ( >=dev-java/java-config-2.2.0-r3 )