Reduce dependencies in static initialization

simplify size()

Ensure consistent state on exceptions; incorporate review suggestions

sync javadoc of enqueue methods

minor javadoc changes

Avoid zero capacity argument in serialize

use blessed declaration modifier order

Fix javadoc code samples to use <pre>  {@code so that we can replace &lt; with <, etc.

Sync with OpenJDK; untabify

6394004: (coll) Thread-safety and Performance improvements to PriorityQueue

whitespace

doc fixes

doc fixes

Avoid generics warnings; clarify javadocs

doc fixes

E o -> E e

CopyOnWriteArraySet and ConcurrentHashMap no longer implement Cloneable
Improve javadoc wording in other classes

Don't use raw type for Comparable

javadoc lint; Thread.interrupt shouldn't throw exception if thread dead

Adapt to AbstractQueuedSynchronizer

fixed typos; avoided some casts

Added docs for type params

added drainTo; clarified various exception specs

Fix some javadoc inconsistencies

Adapt AbstractQueue changes; Conditionalize CancellableTask.reset; new TimeUnit methods

Kill ScheduledExecutor Date methods; Documentation clarifications

Fixes to minor errors found by DocCheck

Final major updates to Collection related classes.

Regressed to the unbounded form

PBQ shouldn't implement Sorted

Significant doc updates:
 - inherit comments where appropriate
 - ensure runtime exception comments inherited (overriding as needed)
 - consistent descriptions
 - introduce head and tail terminology

Locks in subpackage; fairness params added

Added missing javadoc tags; minor reformatting

Minor doc updates; FairReentrantLock serialize now

re-check-in initial implementations