This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
Given the following code, which statements are true?
A. The code will fail to compile. B. Separate threads can execute the up() method concurrently. C. Separate threads can execute the down() method concurrently. D. Separate threads can execute both the up() and down() method concurrently. E. The assertion in the jump() method will not fail under any circumstances.
ANSWER: C, D Why D is correct ? And why E is incorrect ?
(code tags added) [ November 12, 2004: Message edited by: Barry Gaunt ]