collections - Fetch list of objects in one list that are not part of another list using Java stream filter

Question

This question already has answers here: question from:https://stackoverflow.com/questions/65889447/fetch-list-of-objects-in-one-list-that-are-not-part-of-another-list-using-java-s

Answer 1

Negation should be inside filter, since anyMatch returns true if at least one match found

List<TestSVM> results = listOne.stream().filter(one-> !listTwo.stream()
          .anyMatch(two -> two.getSchool().equals(one.getSchool()))) 
          .collect(Collectors.toList());