Difference between request.getSession() and request.getSession(true)

Question

I understand the difference between request.getSession(true) and request.getSession(false). But request.getSession() & request.g

Answer 1

They both return the same thing, as noted in the documentation you linked; an HttpSession object.

You can also look at a concrete implementation (e.g. Tomcat) and see what it's actually doing: Request.java class. In this case, basically they both call:

Session session = doGetSession(true);