A Lambda Expression is merely an anonymous function - a language construct. Giving a lambda a name makes it a named function.
Many web applications these days use UUIDs as primary keys in their database. While this approach has its pros and cons (see Primary Keys vs GUIDs), one of the principal advantages is that you can generate these ids outside of the database.
I’ve often heard people arguing about whether Hibernate is better or MyBatis. The truth is, “there is no spoon.” It is not about whether Hibernate is better or MyBatis, but which of these tools best fits your situation. Without further ado, here is a comparison.