A(n) ____ is a predefined value used to signal the end of valid data input in a loop.
A. sentinel value
B. counter
C. accumulator
D. increment operator
Answer: A
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Which of the following statements is false?
a. Thread synchronization is necessary only for shared mutable data, i.e., data that may change during its lifetime. b. With shared immutable data that will not change, it’s not possible for a thread to see old or incorrect values as a result of another thread’s manipulation of that data. c. When you share immutable data across threads, declare the corresponding data fields final to indicate that the values of the variables will not change after they’re initialized. This prevents accidental modification of the shared data, which could compromise thread safety. d. Labeling object references as final indicates that the referenced object is immutable.
If an algorithm makes two separate, unnested passes over an input of size n, the performance of the algorithm will be in the class
A) O(2) B) O(n) C) O(n2) D) O(2 )
The first argument of the AVERAGEIF function is ________
A) average_range B) criteria C) logical_test D) range
Custom Sort is available by clicking the Sort & Filter button on the ____ tab.
A. Home B. Sort C. Data D. Insert