I'll try to explain the topic according to my motto --"No bullshit , Just Code.."
1) SAM= Single Abstract Method = An Interface with Only One Method = Functional Interface
2) A class with a method which will consume a lambda expression
3) Now.. Actionnn...Lambda expression as a parameter
Okeyy... I know some of you need bullshit also :)
If you want to pass a behavior to a parameter (behavior= function=action) just create an interface and annotate it @FunctionalInterface and use Lambda Syntax like i did in above.
(param1,param2,,,,,paramN) -> {play with params}
Java 8 lots of built in @FunctionalInterface inside it. You can use them anywhere you need. Just google for them .
Bye
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