update doc for jdk version
update doc for jdk version

twosigma/beaker-notebook,twosigma/beaker-notebook,twosigma/beakerx,twosigma/beakerx,twosigma/beakerx,twosigma/beakerx,twosigma/beaker-notebook,twosigma/beaker-notebook,twosigma/beakerx,twosigma/beaker-notebook,twosigma/beakerx