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a. Using Java multithreading library, write a Java program that calculates the sum of the numbers from 1 to 100,000,000. Split the numbers between four threads equally where each thread calculates the sum of one fourth of the numbers. For example, the 1st thread will calculate the sum of the numbers from 1 to 25,000,000 whereas the 2nd thread will calculate the sum of the numbers from 25,000,001 to 50,000,000 and so forth. The main thread will have to print out the sum after gathering the results. Note that you have the choice to create threads by either implementing Runnable interface or extending Thread class. b. Now, write a sequential version of the program described above using a single main thread (i.e., without multithreading). Make sure to record and print out the time spent during the execution of both sequential and multithreaded versions (hint: you may consider using System.currentTimeMillis() to record execution time),

a. Using Java multithreading library, write a Java program that calculates the sum of the numbers from 1 to 100,000,000. Split the numbers between four threads equally where each thread calculates the sum of one fourth of the numbers. For example, the 1st thread will calculate the sum of the numbers from 1 to 25,000,000 whereas the 2nd thread will calculate the sum of the numbers from 25,000,001 to 50,000,000 and so forth. The main thread will have to print out the sum after gathering the results. Note that you have the choice to create threads by either implementing Runnable interface or extending Thread class. b. Now, write a sequential version of the program described above using a single main thread (i.e., without multithreading). Make sure to record and print out the time spent during the execution of both sequential and multithreaded versions (hint: you may consider using System.currentTimeMillis() to record execution time),

Computer Networking: A Top-Down Approach (7th Edition)
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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in the question it says : 

 

"The main
thread will have to print out the sum after gathering the results" 

 

How do I do that? to make the main thread sum and print them? the command 

a. Using Java multithreading library, write a Java program that calculates the sum of the numbers from 1 to 100,000,000. Split the numbers between four threads equally where each thread calculates the sum of one fourth of the numbers. For example, the 1st thread will calculate the sum of the numbers from 1 to 25,000,000 whereas the 2nd thread will calculate the sum of the numbers from 25,000,001 to 50,000,000 and so forth. The main thread will have to print out the sum after gathering the results. Note that you have the choice to create threads by either implementing Runnable interface or extending Thread class. b. Now, write a sequential version of the program described above using a single main thread (i.e., without multithreading). Make sure to record and print out the time spent during the execution of both sequential and multithreaded versions (hint: you may consider using System.currentTimeMillis() to record execution time).
Transcribed Image Text:a. Using Java multithreading library, write a Java program that calculates the sum of the numbers from 1 to 100,000,000. Split the numbers between four threads equally where each thread calculates the sum of one fourth of the numbers. For example, the 1st thread will calculate the sum of the numbers from 1 to 25,000,000 whereas the 2nd thread will calculate the sum of the numbers from 25,000,001 to 50,000,000 and so forth. The main thread will have to print out the sum after gathering the results. Note that you have the choice to create threads by either implementing Runnable interface or extending Thread class. b. Now, write a sequential version of the program described above using a single main thread (i.e., without multithreading). Make sure to record and print out the time spent during the execution of both sequential and multithreaded versions (hint: you may consider using System.currentTimeMillis() to record execution time).
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