8288080: (fc) FileChannel::map for MemorySegments should state it always throws UOE

Backport-of: a9c2ab67c44872ce0247aef6bf972bf4246b44be
2022-06-23 22:57:35 +00:00 · 2022-06-23 22:57:35 +00:00 · 651cbebb96
commit 651cbebb96
parent 1f9521e6cb
1 changed files with 3 additions and 0 deletions
--- a/src/java.base/share/classes/java/nio/channels/FileChannel.java
+++ b/src/java.base/share/classes/java/nio/channels/FileChannel.java
@ -997,6 +997,9 @@ public abstract class FileChannel
     *           of mapped memory associated with the returned mapped memory
     *           segment is unspecified and should not be relied upon.
     *
+     * @implSpec The default implementation of this method throws
+     *           {@code UnsupportedOperationException}.
+     *
     * @param   mode
     *          The file mapping mode, see
     *          {@link FileChannel#map(FileChannel.MapMode, long, long)};