Modify the Total program so that it shows the average, not the total of the inputs. Total.java 1 import java.io.File; 2 import java.io.FileNotFoundException; 3 import java.io.PrintWriter; 4 import java.util.Scanner; 6 /** 7 This program reads a file with numbers, and writes the numbers to another file, lined up in a column and followed by their average. 9 */ 10 public class Total 11 { 12 public static void main(String[] args) throws FileNotFoundException 13

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Modify the Total program so that it shows the average, not the total of the inputs.
Total.java
1 import java.io.File;
2 import java.io.FileNotFoundException;
3 import java.io.PrintWriter%;
4 import java.util.Scanner;
6 /**
This program reads a file with numbers, and writes the numbers to another
file, lined up in a column and followed by their average.
9 */
10 public class Total
11 {
7
8
public static void main(String[] args) throws FileNotFoundException
{
// Prompt for the input and output file names
Scanner console = new Scanner(System.in);
System.out.print("Input file: ");
String inputFileName =
System.out.print("Output file: ");
String outputFileName = console.next();
12
13
14
15
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17
console.next();
18
19
20
// Construct the Scanner and PrintWriter objects for reading and writing
File inputFile = new File(inputFileName);
Scanner in = new Scanner(inputFile);
PrintWriter out = new PrintWriter(outputFileName);
21
22
%3D
23
24
25
// Read the input and write the output
double total =
26
27
= 0;
28
while (in.hasNextDouble())
{
double value
29
30
in.nextDouble ( );
out.printf("%17.2f\n", value);
value;
31
%3D
32
total = total
33
34
35
36
}
out.printf("Total: %10.2f\n", total);
37
in.close();
out.close();
}
38
39
40
41 }
Transcribed Image Text:Modify the Total program so that it shows the average, not the total of the inputs. Total.java 1 import java.io.File; 2 import java.io.FileNotFoundException; 3 import java.io.PrintWriter%; 4 import java.util.Scanner; 6 /** This program reads a file with numbers, and writes the numbers to another file, lined up in a column and followed by their average. 9 */ 10 public class Total 11 { 7 8 public static void main(String[] args) throws FileNotFoundException { // Prompt for the input and output file names Scanner console = new Scanner(System.in); System.out.print("Input file: "); String inputFileName = System.out.print("Output file: "); String outputFileName = console.next(); 12 13 14 15 16 17 console.next(); 18 19 20 // Construct the Scanner and PrintWriter objects for reading and writing File inputFile = new File(inputFileName); Scanner in = new Scanner(inputFile); PrintWriter out = new PrintWriter(outputFileName); 21 22 %3D 23 24 25 // Read the input and write the output double total = 26 27 = 0; 28 while (in.hasNextDouble()) { double value 29 30 in.nextDouble ( ); out.printf("%17.2f\n", value); value; 31 %3D 32 total = total 33 34 35 36 } out.printf("Total: %10.2f\n", total); 37 in.close(); out.close(); } 38 39 40 41 }
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