java find single element from list that contains 2 elements code example

Example 1: 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());

Example 2: java list contains object with property

boolean found = list.stream()
              .anyMatch(p -> p.name.equals(personName));