List<User> findByLastName(String lastName);
List<User> findByAgeGreaterThanEqual(int age);
List<User> findByLastNameAndFirstName(String last, String first);
Optional<User> findByEmailIgnoreCase(String email);
List<User> findTop5ByOrderByCreatedAtDesc();Tip
Know the keyword vocabulary: And, Or, Between, LessThan, GreaterThanEqual, Like, OrderBy, Top/First.