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+1 You hit a nerve. I don't like needing reflection or a DI/IoC framework to instantiate a class. It's like driving to Rome to get to Paris from Amsterdam. Mind you I love DI. Just not sure about the frameworks.

Marjan Venema
– Marjan Venema

2015-10-25 11:09:34 +00:00
Commented Oct 25, 2015 at 11:09
1

Great arguments. It verbalizes a lot of the thoughts I had myself but I am happy to see others feeling the same way. As amazing as I used to find field injection, I think I loved it so much simply because it was "easier". I find constructor injection so much clearer now.

Eric B.
– Eric B.

2015-10-25 15:07:05 +00:00
Commented Oct 25, 2015 at 15:07
In one of the projects, I had all classes being autowired by field injection. I changed them all to constructor injection. The application was taking more time or equal time to start. So I would say that there is no performance gain for constructor DI over field DI.

Jitendra Kumar
– Jitendra Kumar

2020-06-09 14:21:35 +00:00
Commented Jun 9, 2020 at 14:21
You would need to create a micro-benchmark that does only constructor injections and field injections in order to acurately state something like that.

Maciej Chałapuk
– Maciej Chałapuk

2020-06-23 19:44:47 +00:00
Commented Jun 23, 2020 at 19:44

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