update to using jdk11 by default, except link to jdk10 javadocs;
sync @docRoot references in javadoc with upstream

bulkRemove: small improvements

consistently use batch size of 64

make Iterator.remove() expected amortized O(1) instead of O(n)

succ: bytecode golf

rewrite spliterators to address 8172023: Concurrent spliterators fail to handle exhaustion properly

realign LBD and LBQ iterators and spliterator implementations

8171051: LinkedBlockingQueue spliterator needs to support node self-linking

compare longs against 0L, not 0

fix theoretical race; must recheck count.get() while holding takeLock

optimize toString() methods; introduce Helpers

standardize code sample idiom: * <pre> {@code

remove unused/redundant imports

this collection => this XXX

add javadoc for spliterator()

javadoc warning fixes: add serialization method @param

port to latest lambda

Mesh Map and Spliterator methods with lambda

whitespace

Synch with lambda Spliterator API

Spliterator sync

whitespace

normalize whitespace after <p>

uniform serialization method javadocs

tidy javadoc of readObject/writeObject methods

make head package-private to inhibit bridge method

consistent style for code snippets

fix javac 7 [rawtypes] warnings

Update Creative Commons license URL in legal notices

add optimized contains() method implementations

Move more allocations outside of locks to reduce footprint

6866554: Misc. javadoc warnings

Unlink head node to help GC

Location of Collections Guide has changed

Avoid generics warnings; clarify javadocs

doc fixes

E o -> E e

doc fixes

Simplify previous changes

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

Add Collection framework membership doc

Adapt to AbstractQueuedSynchronizer

poll tryLock() changed to lock()

Wording and typo cleanup pass

Added docs for type params

added drainTo; clarified various exception specs

Restored overriding commenst referring to insertion at tail

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

serialVersionUIDs

Fixes to minor errors found by DocCheck

Final major updates to Collection related classes.

Make atomics emulation classes match the main atomics.
Fix docs for atomics (both in main and emulation).
Restored more specific iterator types in both blocking queue impls.
Fix unchecked cast warning in PQ.

Added wildcards

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

Added missing javadoc tags; minor reformatting

Misc documentation updates

re-check-in initial implementations