
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Question
Write in Java
Prompt the user for a title for data. Output the title
![import java.util.Scanner;
import java.util.ArrayList;
public class Datavisualizer {
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
/* Type
your code here. */
}](https://content.bartleby.com/qna-images/question/1c870776-4927-4fbd-b218-f5b27740c439/504c2147-d81f-405d-840e-ece43f5311e0/qwjqpgdk_thumbnail.png)
Transcribed Image Text:import java.util.Scanner;
import java.util.ArrayList;
public class Datavisualizer {
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
/* Type
your code here. */
}

Transcribed Image Text:Ex:
Enter a title for the data:
Number of Novels Authored
You entered: Number of Novels Authored
(2) Prompt the user for the headers of two columns of a table. Output the column headers.
Ex:
Enter the column 1 header:
Author name
You entered: Author name
Enter the column 2 header:
Number of novels
You entered: Number of novels
(3) Prompt the user for data points. Data points must be in this format: string, int. Store the information before the comma into a string
variable and the information after the comma into an integer. The user will enter -1 when they have finished entering data points. Output
the data points. Store the string components of the data points in an ArrayList of strings. Store the integer components of the data points in
a second ArrayList of integers.
Ex:
Enter a data point (-1 to stop input):
Jane Austen, 6
Data string: Jane Austen
Data integer: 6
(4) Perform error checking for the data point entries. If any of the following errors occurs, output the appropriate error message and prompt
again for a valid data point.
• If entry has no comma
• If entry has more than one comma
Ex:
• Output: Error: No comma in string.
Enter a data point (-1 to stop input):
Ernest Hemingway 9
Error: No comma in string.
Enter a data point (-1 to stop input):
Ernest, Hemingway, 9
Error: Too many commas in input.
o Output: Error: Too many commas in input.
If entry after the comma is not an integer
• Output: Error: Comma not followed by an integer.
Enter a data point (-1 to stop input):
Ernest Hemingway, nine
Error: Comma not followed by an integer.
Enter a data point (-1 to stop input):
Ernest Hemingway, 9
Data string: Ernest Hemingway
Data integer: 9
Ex:
(5) Output the information in a formatted table. The title is right justified with a minimum of 33 characters. Column 1 is left justified with a
minimum of 20 characters. Column 2 is right justified with a minimum of 23 characters.
Author name
Number of Novels Authored
I
Jane Austen
Charles Dickens
Ernest Hemingway
Jack Kerouac
F. Scott Fitzgerald
Mary Shelley
Charlotte Bronte
Mark Twain
Agatha Christie
Ian Flemming
Ex:
Stephen King
Oscar Wilde
Ex:
I
I
(6) Output the information as a formatted histogram. Each name is right justified with a minimum of 20 characters.
Jane Austen ******
Charles Dickens ***
Ernest Hemingway
Number of novels.
(6) Output the information as a formatted histogram. Each name is right justified with a minimum of 20 characters. 1
*********
Jack Kerouac ****:
6
20
9
F. Scott Fitzgerald ********
Mary Shelley *******
Charlotte Bronte *****
Mark Twain ******
Agatha Christie ****
***
Ian Flemming
Stephen King **
Oscar Wilde *
22
8
7
5
11
73
14
54
1
*********
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