RFR: 8023997 : j.l.String.join(java.lang.CharSequence, java.lang.Iterable) sample doesn't compile and is incorrect

[Henry Jen]

Hi,

Please kindly review a simple webrev that just fixes a sample in the
javadoc of String.join().

http://cr.openjdk.java.net/~henryjen/tl/8023997/0/webrev/

Cheers,
Henry