* java/text/CollationKey.java: Implement Comparable.
(compareTo(Object)): New method.
* java/text/Collator.java (compare(Object,Object)): New method.
Implement Comparator.
* java/util/zip/InflaterInputStream.java (available): New method.
(close): New method.
(read, available, skip, fill): Throw exception if stream closed.
* java/util/zip/ZipInputStream.java (read, skip, readFully, fill,
getNextEntry): Throw exception if closed.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37525 138bc75d-0d04-0410-961f-82ee72b054a4