if element is present in a list then add all other elements code example
Example: java find if element of list in present in another list
list1.stream()
.map(Object1::getProperty)
.anyMatch(
list2.stream()
.map(Object2::getProperty)
.collect(toSet())
::contains)
// Example with predicate
Predicate<Object> notInList1 = object -> list1.stream().noneMatch(object::equals);
List<Object> missingInList1 = list2.stream().filter(notInList1).collect(Collectors.toList());