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Tag: list

Implementing List interface for CustomList in Java

I need to create a custom list that adds elements in pairs. I copied a similar implementation and adjusted it as needed, but unfortunately, it doesn’t work. And I have this for testing my code so far. The problem is that when I call add method the size of the list increases by 2 as it should, but nothing is

how to union 2 map into one with collection in value [closed]

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 1 year ago. Improve this question how to union 2 maps into one with collection in value this way it will override the value Answer

Combine two lists by ID

I have two lists of objects with contents that look like this: I can’t come up with anything good to “merge” these two lists overriding the nulls. The ideal end result would be: I’ve been looking into Kotlin collections to see if there’s anything that would help me get closer to this but I have only been able to do

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