Is there something like python's interactive REPL mode, but for Java?

Question

Is there something like python\'s interactive REPL mode, but for Java? So that I can, for example, type InetAddress.getAllByName( localHostName ) in a window, a

Answer 1

Seems nobody mentioned yet that Java (6, 7) ships a REPL console called jrunscript. It is language agnostic (so can be used with Jython, JRuby etc.). It defaults to JavaScript (Rhino) which is also bundled by default, and like the other languages you can access all the packages/objects available on the classpath.