A couple of books were helpful to me, both by Venkat Subramaniam and published by Pragmatic Programmers: - Functional Programming in Java - Cruising Along Wit

A couple of books were helpful to me, both by Venkat Subramaniam and published by Pragmatic Programmers: - Functional Programming in Java - Cruising Along With Java (this covers everything else that is "new" other than functional programming)