Java has had something a bit REPL-like for a while in the form of Java BeanShell, but this project was never a fully featured REPL on par with those of other languages.

While a REPL is certainly possible for Java, it won’t be as useful as for an expression-oriented language.” Facemire, however, expects REPL to “be in vogue before you know it,” with new ...

"What is an REPL?" you ask. An REPL is a command-line tool for quickly running statements. In my description, the word "statements" is important. In Java, you normally don't run a single statement or ...

Voting on the project begins on Sept 10. If approved, it will use code cloned from JDK 9 to create the Java REPL tool. More information can be found on Project Kulla’s discussion thread.