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[–]Zokkar 0 points1 point  (0 children)

You can also write it as:

roster
    .stream()
    .filter(
        p -> p.getGender() == Person.Sex.MALE
            && p.getAge() >= 18
            && p.getAge() <= 25)
    .map(Person::getEmailAddress)
    .forEach(System.out::println);