Trying to read from a closed file

1 ÏÏÏimport java.util.Scanner;
2 ÏÏÏimport java.io.*;
3 /**
4 *
5 * This file shows what happens if you try to read from a closed file
6 * Note that the instantiation does not have to be in a try/catch block
7 * if there is a file named input2.dat in the directory. This is NOT
8 * something you should do in your programs.
9 *
10 * @author Elizabeth Adams
11 *
12 */
13 ÏÕÖ×public class TryToReadFromClosedFile
14 ÏÏ§{
15 ÏÏ§ÏÞßàpublic static void main (String [] args)throws FileNotFoundException
16 ÏÏ§ÏÏ§{
17 ÏÏ§ÏÏ¨¹íÏScanner myFileScanner;
18 ÏÏ§ÏÏ¨¹íÏString temp;
19 ÏÏ§ÏÏ§
20 ÏÏ§ÏÏ¨¹¹ÏmyFileScanner = new Scanner (new File ("input2.dat"));
21 ÏÏ§ÏÏ§
22 ÏÏ§ÏÏ¨¹¹Ïtemp = myFileScanner.nextLine();
23 ÏÏ§ÏÏ¨¹¹ÏSystem.out.println (" picked up *" + temp + "*");
24 ÏÏ§ÏÏ¨¹¹ÏmyFileScanner.close();
25 ÏÏ§ÏÏ¨¹¹Ïtemp = myFileScanner.nextLine(); /* this line causes
26 ÏÏ§ÏÏ§ Exception in thread "main" java.lang.IllegalStateException: Scanner closed
27 ÏÏ§ÏÏ§ at java.util.Scanner.ensureOpen(Scanner.java:1025)
28 ÏÏ§ÏÏ§ at java.util.Scanner.findWithinHorizon(Scanner.java:1596)
29 ÏÏ§ÏÏ§__at java.util.Scanner.findWithinHorizon(Scanner.java:1562)
30 ÏÏ§ÏÏ§__at java.util.Scanner.nextLine(Scanner.java:1468)
31 ÏÏ§ÏÏ§__at TryToReadFromClosedFile.main(TryToReadFromClosedFile.java:22)
32 ÏÏ§ÏÏ§ */__
33 ÏÏ§ÏÏ¨¹¹ÏSystem.out.println (" picked up *" + temp + "*");
34 ÏÏ§ÏÏ§
35 ÏÏ§ÏÏ©}
36 ÏÏ©}_
37