compute and display the elapsed time for your computer to perform this operation using Java's "System.currentTimeMillis();" method to capture current time (in milli-seconds) before and after entering a loop or a method call, then subtract the earlier value from the later value to compute time difference.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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compute and display the elapsed time for your computer to perform this operation using Java's "System.currentTimeMillis();" method to capture current time (in milli-seconds) before and after entering a loop or a method call, then subtract the earlier value from the later value to compute time difference.
2 import java.security.SecureRandom;
4 public class RollDie {
50
public static void main(String[] args) {
SecureRandom randomNumbers = new SecureRandom();
int[] frequency = new int[7]; // array of frequency counters
6.
7.
8.
// roll die 60,000,000 times; use die value as frequency index
for (int roll
++frequency[1+ randomNumbers.nextInt(6)];
6.
10
11
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21 }
1; roll <= 60_000_000; roll++) {
%3D
System.out.printf("%s%10s%n", "Face", "Frequency");
//output each array element's value
for (int face = 1; face < frequency.1length; face++) {
System.out.printf("%4d%10d%n", face, frequency[face]);
}
%3D
22
23
Transcribed Image Text:2 import java.security.SecureRandom; 4 public class RollDie { 50 public static void main(String[] args) { SecureRandom randomNumbers = new SecureRandom(); int[] frequency = new int[7]; // array of frequency counters 6. 7. 8. // roll die 60,000,000 times; use die value as frequency index for (int roll ++frequency[1+ randomNumbers.nextInt(6)]; 6. 10 11 12 13 14 15 16 17 18 19 20 21 } 1; roll <= 60_000_000; roll++) { %3D System.out.printf("%s%10s%n", "Face", "Frequency"); //output each array element's value for (int face = 1; face < frequency.1length; face++) { System.out.printf("%4d%10d%n", face, frequency[face]); } %3D 22 23
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