Reviewed-by: vromero
8148317: jshell tool: unify commands into /set 8149524: JShell: CompletenessAnalysis fails on class Case<E1 extends Enum<E1>, E2 extends Enum<E2>, E3 extends Enum<E3>> {} Reviewed-by: jlahoda
Adding the implementation of the jshell (read-eval-print-loop) tool. Co-authored-by: Robert Field <robert.field@oracle.com> Co-authored-by: Shinya Yoshida <bitterfoxc@gmail.com> Reviewed-by: briangoetz, mcimadamore, psandoz, forax