[Item 81] Race condition in Intern.java

[drnow4u]

Dear Joshua,

In example class Intern and method intern is race condition between line 18 and 19. It can also lead to memory leak.

effective-java-3e-source-code/src/effectivejava/chapter11/item81/Intern.java

Line 19 in bdc828a

result = map.putIfAbsent(s, s);

Kindly regards,
Marcin

PS
Thank you for your book. I'm continuously learning new things from it.