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Tag: java

Return all possible combinations of two custom type lists in java

I am trying to add the values of ingredients and topping to my scoops list, but that doesn’t work due to the type of scoops. I can’t change the type of scoops to String and I need to solve the problem as it is in the code below. See the picture to see the problem I get when I try

Mapping multiple DTO to entities – nested exception

I’m trying to map DTOs to entities. I created a service that only takes care of mapping objects – ObjectMapper. DTO objects have relationships with each other. When I map a single object, for example when I create User, Group, Note, everything works. But when I want to use a method that returns a …

How rewrite Java generec’s into Kotlin?

I have java class and I need to rewrite it in kotlin. But I can’t rewrite generics into it. Java class: My Kotlin class Sign (1) I marked the my problem area by my opinion. But maybe the problem is somewhere else. Answer Kotlin’s <out FlagFilter> is not equivalent to Java’s <T exten…