You are adding a public method named UpdateGrade toa public class named ReportCard.
The code region that updates the grade 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 UpdateGrade() method.
What should you do?
A.
Option A
B.
Option B
C.
Option C
D.
Option D
C
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1
Locking on type doesn’t make sense. It is “A”
0
1
lock should always be on a private , non-string,non-this reference variable
2
0