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Iryna ZasikanIryna Zasikan 

Is it possible to use stream().Collectors in apex?

I want to use something like this in my trigger:
Map<Id, Id> result = Collectors.groupingBy( Function.identity(), Collectors.counting() ) );
Unfortuntly my IDE can't understand stream().collect.
Does anyone know is it available in Apex?
Best Answer chosen by Iryna Zasikan
karthikeyan perumalkarthikeyan perumal

Stream.Collect is not avaliable in apex. its Java 8. 

you have to achive this using set and map. there is no built in operation "Stream.Collect (accumulator,combiner,finisher)"

Hope this will help you. 

Mark it BestANSWER if its clear.