June 2017
Beginner
1296 pages
69h 23m
English
... 8883 Starting parallelSort Total time in milliseconds: 2143 sort took 315% more time than parallelSort
Comparing performance of Arrays methods sort and parallelSort.
Line 14 uses Random method ints to create an IntStream of 100,000,000 random int values, then calls IntStream method toArray to place the values into an array. Line 15 calls method clone to make a copy of array1 so that the calls to both sort and parallelSort work with the same set of values.
Arrays Method sort with Date/Time API Classes Instant and DurationLines 19 and 21 each call class Instant’s static method now to get the current time before and after the call to sort. To determine the difference between two Instants, line 24 uses class Duration