GenerateEvenNumbers.java 文件源码

@Test
public void generate_even_numbers_in_range_guava() {

    Set<Integer> set = ContiguousSet.create(Range.closed(1, 10),
            DiscreteDomain.integers());

    Iterable<Integer> evenNumbers = Iterables.filter(set,
            new Predicate<Integer>() {
                @Override
                public boolean apply(Integer input) {
                    return input % 2 == 0;
                }
            });


    assertThat(
            evenNumbers,
            contains(new Integer(2), new Integer(4), new Integer(6),
                    new Integer(8), new Integer(10)));
}