java in list of list object find the list based on value of object code example

Example 1: java 8 find in list by property

Optional<Person> matchingObject = objects.stream().
    filter(p -> p.email().equals("testemail")).
    findFirst();

Example 2: java list contains object with property

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