Reviewed-by: chegar

Summary: Spliterator implementations for collection classes in java.util.
Reviewed-by: mduigou, briangoetz
Contributed-by: NDoug Lea &lt;dl@cs.oswego.edu&gt;, Paul Sandoz <paul.sandoz@oracle.com>

Summary: Clean-up JDK Build Warnings in java.util, java.io Packages
Reviewed-by: smarks, darcy, khazra, dholmes, forax, dl, andrew, aph, omajid, ulfzibis, christos, mduigou

Summary: Minor code changes to cleanup warnings in java.util.*
Reviewed-by: mduigou, naoto, smarks
Contributed-by: NRemi Forax <forax@univ-mlv.fr>

Reviewed-by: chegar

Reviewed-by: darcy, weijun