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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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Forms
Tools Advanced Window Help
ollaborate
Secure
Sign -
E Forms
Multimedia
Comment -
13
15
137%
Find
13
3.
Write a Java program that extracts email addresses from a text file. The program reads the text
tokens (which we suppose are separated by single spaces) from a source file called source.txt,
identifies email addresses , numbers them, and stores them in an output file called Emails.txt,
according to their order of appearance in the input file.
For instance given the following content for source.txt:
Hello,
Byblos.
my
name
is
John,
my
email:
john@lau.edu.lb I
live
in
jj@hotmail.com
online.
use
instead
of
john@lau.edu.lb
to
make
my
purchases
identification.
The resulting output file Emails.txt would contain:
john@lau.edu.lb
jj@hotmail.com
john@lau.edu.lb
david@gmail.com
My
friend
David
david@gmail.com
for
uses
1.
2.
3.
plution:
Transcribed Image Text:Forms Tools Advanced Window Help ollaborate Secure Sign - E Forms Multimedia Comment - 13 15 137% Find 13 3. Write a Java program that extracts email addresses from a text file. The program reads the text tokens (which we suppose are separated by single spaces) from a source file called source.txt, identifies email addresses , numbers them, and stores them in an output file called Emails.txt, according to their order of appearance in the input file. For instance given the following content for source.txt: Hello, Byblos. my name is John, my email: john@lau.edu.lb I live in jj@hotmail.com online. use instead of john@lau.edu.lb to make my purchases identification. The resulting output file Emails.txt would contain: john@lau.edu.lb jj@hotmail.com john@lau.edu.lb david@gmail.com My friend David david@gmail.com for uses 1. 2. 3. plution:
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