Suppress all new errorprone "errors"
use diamond <> pervasively
Replace Integer with Item class
remove unused import
test CopyOnWriteArraySet with CollectionTest infrastrure
improve javadoc wording for testSerialization methods
convert to Diamond
fix imports
introduce shuffle(T[]) utility method
Optimize CopyOnWriteArraySet.{containsAll,equals}
whitespace
try/catch block scope hygiene
improve main methods; respect system properties; actually fail if a test fails
minor test improvements
replace Vector with Arrays.asList; add more assertions
add more tests of exhausted iterators
no wildcard imports
prefer assertNotSame, assertNotNull to assertTrue
add new test testAllAll_idempotent
improve testIterator, testToString
improve testIterator
improve testSerialization
improve toArray tests
improve toArray tests
improve toArray methods
use serialClone in serialization tests; update imports
indexOf => contains
Update Creative Commons license URL in legal notices
whitespace
whitespace
use autoboxing judiciously for readability
improve exception handling
improve exception handling
untabify
whitespace
whitespace
whitespace
spellcheck
Headers reference Creative Commons
improve tck javadocs; rename and add a few tests
Documentation scaffolding
New base class JSR166TestCase
Added serialization and lock tests
First check-in of tests to be in tck
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