add "not-yet-expired" to internal spec for clarity

clarify behavior of periodic tasks

align drainTo implementations

drainTo(Collection) should delegate to drainTo(Collection, int) as done elsewhere

make some methods static as suggested by errorprone [MethodCanBeStatic]

document benign racy read in ScheduledFutureTask.cancel

delete now(); doesn't pull its weight

compare longs against 0L, not 0

fix minor copy-pasta javadoc bug

propagate queue-draining promise from ThreadPoolExecutor#shutdownNow to ScheduledThreadPoolExecutor

kill another bridge method

Avoid possibility of stale getDelay

optimize out redundant field initializers

generate more readable html for @links

never use wildcard imports

remove redundant initializations to null or 0

fix busy-wait when corePoolSize is zero and queued task is present

prefer <Void> to <?>

fix [rawtypes] warnings from very recent javac8

doclint warning fixes

consistent use of "@return {@code true}"

javadoc style

use third person in javadoc first sentence

coding style

make drainTo methods more robust when c.add throws

use nullary AtomicFoo constructors when possible

Update Creative Commons license URL in legal notices

whitespace

6725789: ScheduledExecutorService does not work as expected in jdk7/6/5

whitespace

Avoid numerical overflow for trigger times

Sync with OpenJDK; untabify

6602600: Fast removal of cancelled scheduled thread pool tasks

6560953: Periodic tasks of ScheduledThreadPoolExecutor are not decorated on a second run

tidying

Faster task cancellation and removal

minor fixes

Updated Navigable interfaces ind implementations

Make compareTo cope with arbitrary Delayed's as arguments

Clarify subclassing guidance

doc fixes

whitespace

constructor doc fixes

fix syntax in sample code

Overridable RunnableFuture creation for AbstractExecutorService.
OverridableRunnableScheduledFuture decoration for ScheduledThreadPoolExecutor.

Don't use raw type for Comparable

Wording fixes and improvements

Use j.u.Timer internal conventions

Avoid overflow

Improve shutdown detection

Simplify FutureTask and AbstractExecutorService internals; improve docs

Documentation improvements

Documentation improvements

Raw List returned by shutdownNow is really List<Runnable>.

Avoid needing package-private fields