Part 2: SynchronizationAssume that we have a file named “sharable.txt” which can be shared among several threads. Wewant to write a program that controls the access to that file in a way that only one thread at a timeis allowed to access it (i.e., for writing/appending purposes). Using Java multithreading, write aprogram that creates three threads and assigns a number to each thread. Then, each thread will startrunning by executing a code for opening the file “sharable.txt” and writing the following lines:Thread x started writingThread x is currently writingThread x finished writing – Student NameYour program should allow only one thread -at any given time-to access the file and write in it. Italso should keep away any thread from overwriting the lines written by any other threads (hint:use synchronized methods/blocks). Finally, when the execution of your program is completed, theoutput stored in “sharable.txt” should look like the following – put your name in place “YourName”:Thread x started writingThread x is currently writingThread x finished writing – Your NameThread y started writingThread y is currently writingThread y finished writing – Your NameThread z started writing Thread z is currently writingThread z finished writing – Your Name Assume that we have a file named “sharable.txt" which can be shared among several threads. Wewant to write a program that controls the access to that file in a way that only one thread at a timeis allowed to access it (i.e., for writing/appending purposes). Using Java multithreading, write aprogram that creates three threads and assigns a number to each thread. Then, each thread will startrunning by executing a code for opening the file “sharable.txt" and writing the following lines:Thread x started writingThread x is currently writingThread x finished writing - Student NameYour program should allow only one thread -at any given time-to access the file and write in it. Italso should keep away any thread from overwriting the lines written by any other threads (hint:use synchronized methods/blocks). Finally, when the execution of your program is completed, theoutput stored in “sharable.txt" should look like the following – put your name in place “YourName":Thread x started writingThread x is currently writingThread x finished writing - Your NameThread y started writingThread y is currently writingThread y finished writing - Your NameThread z started writingThread z is currently writingThread z finished writing - Your Name

Assume that we have a file named “sharable.txt” which can be shared among several threads. We want to write a program that controls the access to that file in a way that only one thread at a time is allowed to access it (i.e., for writing/appending purposes). Using Java multithreading, write a program that creates three threads and assigns a number to each thread. Then, each thread will start running by executing a code for opening the file “sharable.txt” and writing the following lines: Thread x started writing Thread x is currently writing Thread x finished writing – Student Name Your program should allow only one thread -at any given time-to access the file and write in it. It also should keep away any thread from overwriting the lines written by any other threads (hint: use synchronized methods/blocks). Finally, when the execution of your program is completed, the output stored in “sharable.txt” should look like the following – put your name in place “Your Name”: Thread x started writing Thread x is currently writing Thread x finished writing – Your Name Thread y started writing Thread y is currently writing Thread y finished writing – Your Name Thread z started writing Thread z is currently writing Thread z finished writing – Your Name

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Part 2: Synchronization
Assume that we have a file named “sharable.txt” which can be shared among several threads. We
want to write a program that controls the access to that file in a way that only one thread at a time
is allowed to access it (i.e., for writing/appending purposes). Using Java multithreading, write a
program that creates three threads and assigns a number to each thread. Then, each thread will start
running by executing a code for opening the file “sharable.txt” and writing the following lines:
Thread x started writing
Thread x is currently writing
Thread x finished writing – Student Name
Your program should allow only one thread -at any given time-to access the file and write in it. It
also should keep away any thread from overwriting the lines written by any other threads (hint:
use synchronized methods/blocks). Finally, when the execution of your program is completed, the
output stored in “sharable.txt” should look like the following – put your name in place “Your
Name”:
Thread x started writing
Thread x is currently writing
Thread x finished writing – Your Name
Thread y started writing
Thread y is currently writing
Thread y finished writing – Your Name
Thread z started writing
Thread z is currently writing
Thread z finished writing – Your Name

Assume that we have a file named “sharable.txt" which can be shared among several threads. We
want to write a program that controls the access to that file in a way that only one thread at a time
is allowed to access it (i.e., for writing/appending purposes). Using Java multithreading, write a
program that creates three threads and assigns a number to each thread. Then, each thread will start
running by executing a code for opening the file “sharable.txt" and writing the following lines:
Thread x started writing
Thread x is currently writing
Thread x finished writing - Student Name
Your program should allow only one thread -at any given time-to access the file and write in it. It
also should keep away any thread from overwriting the lines written by any other threads (hint:
use synchronized methods/blocks). Finally, when the execution of your program is completed, the
output stored in “sharable.txt" should look like the following – put your name in place “Your
Name":
Thread x started writing
Thread x is currently writing
Thread x finished writing - Your Name
Thread y started writing
Thread y is currently writing
Thread y finished writing - Your Name
Thread z started writing
Thread z is currently writing
Thread z finished writing - Your Name

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