Does it make sense to let the class implement an i...
# announcementsp
Paul Woitaschek
09/09/2018, 9:49 AMDoes it make sense to let the class implement an interface instead of using an anonymous inner class - in regards to object allocation?
e
elizarov
09/09/2018, 9:51 AMYes. It saves one allocation. If the class is private or internal and is not part of some widely-used API, then it makes sense.
p
Paul Woitaschek
09/09/2018, 10:37 AMWhy doesn't it make sense on a widely used API?
Paul Woitaschek
09/09/2018, 10:38 AMThis is the case I'm talking about:
Paul Woitaschek
09/09/2018, 10:38 AMe
elizarov
09/09/2018, 10:39 AMIf the class is a part of public API and it implements some listeners interface, then it leaks its implementation details (and what happens if client just invokes a method of that listener interface?)
elizarov
09/09/2018, 10:42 AMOne word here: encapsulation
p
Paul Woitaschek
09/09/2018, 10:58 AMI'm only taking about memory / performance, not API design