The code segment below is designed to add the elements in an array of integers.Select the expression needed to complete the code segment so that it calculates the elapsed running time.
A)System.currentTimeMillis() - start
B)System.currentTimeMillis() + start
C)System.currentTimeMillis()
D)runningTime + start - System.currentTimeMillis()

Question

The code segment below is designed to add the elements in an array of integers.Select the expression needed to complete the code segment so that it calculates the elapsed running time.  
A)System.currentTimeMillis() - start 
B)System.currentTimeMillis() + start 
C)System.currentTimeMillis() 
D)runningTime + start - System.currentTimeMillis()

Quizplus · Accepted Answer

The expression needed to calculate the elapsed running time is the difference between the current time and the start time, which can be obtained using System.currentTimeMillis(). Therefore, the correct choice is A.

The Code Segment Below Is Designed to Add the Elements