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Computer Engineering
Write a program that uses a HashMap to compute a histogram of positivenumbers entered by the user. The HashMap’s key should be the numberthat is entered, and the value should be a counter of the number of timesthe key has been entered so far. Use −1 as a sentinel value to signal theend of user input. For example, if the user inputs:512355321-1then the program should output the following (not necessarily in this order):The number 3 occurs 2 times.The number 5 occurs 3 times.The number 12 occurs 1 times.The number 21 occurs 1 times.

Write a program that uses a HashMap to compute a histogram of positivenumbers entered by the user. The HashMap’s key should be the numberthat is entered, and the value should be a counter of the number of timesthe key has been entered so far. Use −1 as a sentinel value to signal theend of user input. For example, if the user inputs:512355321-1then the program should output the following (not necessarily in this order):The number 3 occurs 2 times.The number 5 occurs 3 times.The number 12 occurs 1 times.The number 21 occurs 1 times.

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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Write a program that uses a HashMap to compute a histogram of positive
numbers entered by the user. The HashMap’s key should be the number
that is entered, and the value should be a counter of the number of times
the key has been entered so far. Use −1 as a sentinel value to signal the
end of user input. For example, if the user inputs:
5
12
3
5
5
3
21
-1
then the program should output the following (not necessarily in this order):
The number 3 occurs 2 times.
The number 5 occurs 3 times.
The number 12 occurs 1 times.
The number 21 occurs 1 times.

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