You are adding a public method named UpdateScore to a public class named ScoreCard.
The code region that updates the score field must meet the following requirements:
• It must be accessed by only one thread at a time.
• It must not be vulnerable to a deadlock situation.
You need to implement the UpdateScore() method.
What should you do?
A . Option A
B . Option B
C . Option C
D . Option D
Answer: B
Explanation:
Because the class is public, you need a private lock Object.
Reference: lock vs. MethodImplOptions.Synchronized [Kit George]
http://blogs.msdn.com/b/bclteam/archive/2004/01/20/60719.aspx