Part 2. f. Create a new StringBuilder Object using no-arg constructor. g. Using for loop append the array elements one by one to the StringBuilder (one per loop iteration h. Record a run-time it took to append all integers to the StringBuilder (record run-time of 2.g.))
Part 2. f. Create a new StringBuilder Object using no-arg constructor. g. Using for loop append the array elements one by one to the StringBuilder (one per loop iteration h. Record a run-time it took to append all integers to the StringBuilder (record run-time of 2.g.))
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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Question
use java
![Part 2.
f. Create a new StringBuilder Object using no-arg constructor.
g. Using for loop append the array elements one by one to the StringBuilder (one per loop iteration)
h. Record a run-time it took to append all integers to the StringBuilder (record run-time of 2.g.))](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F545adfe4-d8f3-4ad6-9d6b-4da21555b9ec%2F3cafca87-e353-4f5a-a55a-f6d83a71c96f%2F5ohu44_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Part 2.
f. Create a new StringBuilder Object using no-arg constructor.
g. Using for loop append the array elements one by one to the StringBuilder (one per loop iteration)
h. Record a run-time it took to append all integers to the StringBuilder (record run-time of 2.g.))
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
Step 1
Create a java file - Performance.java and copy the code to the file. You have to run the program 3 times. Change the SIZE to 500 and then to 5000 and copy the time taken from the output and create the table.
=============================================================
public class Performance { public static void main(String[] args) { // change the SIZE to 500, 5000 to repeat for big array size final int SIZE = 50; System.out.println("Array Size: "+ SIZE); //a int[] array = new int[SIZE]; //b for (int i = 0; i < SIZE; i++) array[i] = i; //c String stringObject = new String(); // d record time long startTime = System.currentTimeMillis(); for (int i = 0; i < SIZE; i++) stringObject += array[i]; long endTime = System.currentTimeMillis(); //e System.out.println("Time to append using string object: " + (endTime - startTime) + " ms."); //f StringBuilder builder = new StringBuilder(); startTime = System.currentTimeMillis(); for (int i = 0; i < SIZE; i++) builder.append(array[i]); endTime = System.currentTimeMillis(); //e System.out.println("Time to append using string builder object: " + (endTime - startTime) + " ms."); } }
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