Commons javaflow is a pure java implementation of the continuations concept.

for more information about continuation, you can have a look on or

to use javaflow in your program, javaflow needs to enhance its java byte code: - statically, using the javaflow ant task as a part of your build process - dynamically, at runtime, by using javaflow's continuationclassloader.

this package contains javadoc api of commons javaflow.