spring boot - How to join two datasets using java in a way like left outer join in SQL

Question

This question already has answers here: question from:https://stackoverflow.com/questions/65900830/how-to-join-two-datasets-using-java-in-a-way-like-left-outer-join-in-sql

Answer 1

This has already been discussed here. Basically, you should be using map operation to achieve this using Java Stream API