Hi,

back in the days I wrote my own dependency injection framework.

Really mostly to "grasp" what DI was all about.  And I'm sold :)

I decided to give Guice a look and one of the very first sentence
I find is this:

"@Singleton indicates that the class is intended to be threadsafe"

Now this is the most confusing sentence I've read in a while.

Should it read:

"@Singleton indicates that the class is intended to be instantiated
only once and that this instance shall be re-used (re-injected)"

(and, hence, of course, that it better be thread-safe, but this is a
detail that has nothing to do with what a singleton is).

Because, really, singletons have nothing to do with thread-safety.
Heck, there are languages that aren't multi-threaded that can
have singletons.

Is Guice using the term "singleton" to mean something different
than the definition that everyone came to agree on?





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