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| //Java 8 - Collection | |
| pets.removeIf(pet -> !(pet.getBirthdate().isBefore(LocalDate.of(2013, Month.JANUARY, 1)) | |
| && pet.getWeight() > 50)); | |
| //Applying De-Morgan's law. | |
| pets.removeIf(pet -> pets.get(0).getBirthdate().toEpochDay() >= LocalDate.of(2013, Month.JANUARY, 1).toEpochDay() | |
| || pet.getWeight() <= 50); |
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