Mehr:

any(Block condition)

asBag

asList

asSet

collect(Block expression)

count(Object obj)

excludes(Object obj)

excludesAll(Collection sub)

excluding(Object obj)

excludingAll(Collection coll)

exists(Block condition)

flatten

forAll(Block condition)

ifEmpty(Block block)

includes(Object obj)

includesAll(Collection sub)

including(Object obj)

includingAll(Collection coll)

intoInject(Block expression,Object startValue)

isEmpty

isUnique(Block expression)

notEmpty

one(Block condition)

reject(Block condition)

select(Block condition)

size

sortedBy(Block expression)

sum

union(Collection coll)