In the Expression Editor Panel of Cisco Unified CCX Script

In the Expression Editor panel of Cisco Unified CCX Script Editor, what are three reasons to use the Java tab? (Choose three.)

A) to invoke a specified method of a custom Java class
B) to reference a variable of a custom Java Object
C) to pass variables between two different workflows
D) to create an object for the purpose of executing methods on a remote computer
E) to get a reference to the Contact and Session states
F) to allow for arguments to be passed to a specified method