The RFE has been accepted as a new issue by Sun

http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6444048

A member of the Sun Developer Network (SDN) have options to

1. Voting for the bug Click http://bugs.sun.com/bugdatabase/addVote.do?bug_id=6444048.
2. Adding the report to your Bug Watch list.

If you want to receive an email notification when this bug is updated. Click http://bugs.sun.com/bugdatabase/addBugWatch.do?bug_id=6444048.

See earlier posts for the detail of this issue.

• Is the definition of Map interface overly restricted in Java 5
• Submitted a enhancement request to Sun for optional type parameters