About Question enthuware.ocajp.i.v7.2.1277 :

[SirZed]

I noticed a typo here:
option 2: System.out.println("1 " + 2 + 3); would print 15.
The space after the 1 is not present in the explanation, so I guess the question should be updated to match the answer.

[admin]

You are right. There should be no space there. This has now been fixed.

thank you for your feedback!

[Travis Grey]

This typo is still presented in the question bank (1/38) I'm using. Just downloaded file.

[admin]

Definitely fixed now in ver 1.39!
-Paul.

[Travis Grey]

Thank you, Paul!