[10] Review request: 8184688: Single Instance Example

[victor . drozdov]

Chris,

Please review my changes about adding single instance example.

JIRA: https://bugs.openjdk.java.net/browse/JDK-8184688
Webrev: http://cr.openjdk.java.net/~vdrozdov/JDK-8184688/webrev.00/

--Victor