Public Object: Series Recap: Coding in the small with Google CollectionsRobert Konigsberg, Jerome Mourits and myself have written several snippets that highlight the carefully designed Google Collections Library: PreconditionsPreconditions.checkNotNull(order.getAddress(), "order address"); Iterables.getOnlyElementassertEquals(jesse, Iterables.getOnlyElement(usersOnDuty)); Comparators.maxreturn Comparators.max(perKm, minimumDeliveryCharge); Objects.equal and hashCodere
https://okmij.org/ftp/papers/LL3-collections-enumerators.txt
https://trove4j.sourceforge.net/
