in eviction/src/main/java/org/apache/geode_examples/eviction/Example.java [49:57]
private Collection<Integer> generateIntegers() {
IntStream stream = new Random().ints(0, ITERATIONS);
Iterator<Integer> iterator = stream.iterator();
Set<Integer> integers = new LinkedHashSet<>();
while (iterator.hasNext() && integers.size() < ITERATIONS) {
integers.add(iterator.next());
}
return integers;
}