How to use

toCollection

method

in

org.apache.commons.collections.collection.CompositeCollection

public void testToCollection() {
  setUpTest();
  one.add("1");
  two.add("2");
  c.addComposited(one, two);
  Collection foo = c.toCollection();
  assertTrue(foo.containsAll(c));
  assertEquals(c.size(), foo.size());
  one.add("3");
  assertTrue(!foo.containsAll(c));
}