
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Please help I don’t understand this
![1
import java. io.*;
3v public class Main {
4
public static void main(String[] args) throws IOException
5 v
6.
BufferedReader fr = new BufferedReader (new
7.
FileReader ("Data.txt"));
8.
String nam[] = new String[5];
float[] age = new float [5];
float total = 0;
9.
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for (int i=0; i< nam.length; i++)
{
13
14 v
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String temp
fr.readLine();
%3D
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String bits[] = temp.split(",");
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nam[i] = bits[0];
age[i] = Integer.parseInt(bits[1]);
total = total + age[i];
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float average = total/5;
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fr.close();
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System.out.println(average);
PrintWriter fw = new PrintWriter (new FileWriter ("TCats.txt"));
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for(int i-0; i< nam. length; i++)
30](https://content.bartleby.com/qna-images/question/96a3bb04-ac16-4dfa-8290-31748c9604dc/0879dbdf-367a-455e-b001-63a7841d3a6a/uuyibna_thumbnail.jpeg)
Transcribed Image Text:1
import java. io.*;
3v public class Main {
4
public static void main(String[] args) throws IOException
5 v
6.
BufferedReader fr = new BufferedReader (new
7.
FileReader ("Data.txt"));
8.
String nam[] = new String[5];
float[] age = new float [5];
float total = 0;
9.
10
11
12
for (int i=0; i< nam.length; i++)
{
13
14 v
15
String temp
fr.readLine();
%3D
16
String bits[] = temp.split(",");
17
nam[i] = bits[0];
age[i] = Integer.parseInt(bits[1]);
total = total + age[i];
18
19
20
21
22
float average = total/5;
23
24
fr.close();
25
System.out.println(average);
PrintWriter fw = new PrintWriter (new FileWriter ("TCats.txt"));
26
27
28
29
for(int i-0; i< nam. length; i++)
30

Transcribed Image Text:fw.printin(nam[i + * is aget 3
"years old.");
31
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fw.printin( "The average age inCat years is .
fw.closel );
34
average
years old.");
35
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