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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. */ 2

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. */ 2

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 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. */ }
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. */ }
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 *********
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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