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home / developersection / forums / what is the best way to filter a java collection?
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Anonymous User
Anonymous User 07 Aug 2015
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lambdaj allows to filter collections without writing loops or inner classes as in the following example:

List<Person> beerDrinkers = select(persons, having(on(Person.class).getAge(), greaterThan(16)));

Can you imagine something more readable? You can find it here:
http://code.google.com/p/lambdaj/  

With Java 8 update (2014) comes streams and lambdas, solving this problem with a simple one-liner:

List<Person> beerDrinkers = persons.stream()
    .filter(p -> p.getAge() > 16).collect(Collectors.toList());
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