Choosing your own delimiter for Scanner

1 /**
2 *
3 * This code was written to see test using different delimiters of the user's
4 * choice as in the .useDelimiter(     ) method of Scanner. Try different single
5 * value character strings when you run it.
6 *
7 * @author Elizabeth Adams
8 *
9 *
10 */
11       // import needed packages/classes
12 ÏÏÏimport java.util.Scanner;
13 ÏÏÏimport java.io.*;
14
15
16 ÏÕÖ×public class MultipleDelimiterAttempt
17 ÏÏ§{
18 ÏÏ§ÏÞßàpublic static void main (String [] args)
19 ÏÏ§ÏÏ§{
20 ÏÏ§ÏÏ§
21 ÏÏ§ÏÏ¨¹íÏScanner fileScanner, lineScanner, keyboardScanner;
22 ÏÏ§ÏÏ¨¹íÏString fileName;
23 ÏÏ§ÏÏ¨¹íÏString temp;
24 ÏÏ§ÏÏ¨¹íÏString myDelimiter;
25 ÏÏ§ÏÏ§
26 ÏÏ§ÏÏ§
27 ÏÏ§ÏÏ¨¹¹ÏfileName = "delimiters.txt"; // hard coding filename for test example
28 ÏÏ§ÏÏ§
29 ÏÏ§ÏÏ¨¹¹´try   // to instantiate Scanner for file
30 ÏÏ§ÏÏ§ÏÏ§{
31 ÏÏ§ÏÏ§ÏÏ¨¹¹ÏfileScanner = new Scanner (new File (fileName)); // works if file present
32 ÏÏ§ÏÏ§ÏÏ§}
33 ÏÏ§ÏÏ§ÏÏ§Ïðîìcatch (FileNotFoundException fnfe)// if file not present
34 ÏÏ§ÏÏ§ÏÏ§ÏÏ§{
35 ÏÏ§ÏÏ§ÏÏ§ÏÏ¨¹¹ÏfileScanner = new Scanner ("je#bs&dgu%asasabd&n$k $7"); // will scan this string
36 ÏÏ§ÏÏ§ÏÏ§ÏÏ¨¹¹ÏSystem.out.println (fnfe.getMessage()); // prints error
37 ÏÏ§ÏÏ§ÏÏ§ÏÏ¨¹¹Ïfnfe.printStackTrace(); // prints trace of calling stack
38 ÏÏ§ÏÏ§ÏÏ©ÏÏ©}
39 ÏÏ§ÏÏ§
40 ÏÏ§ÏÏ¨¹¹Ïtemp = fileScanner.nextLine(); // gets single line from file or String above
41 ÏÏ§ÏÏ¨¹¹ÏSystem.out.println (" Picked up line containing " + temp); // echoes it
42 ÏÏ§ÏÏ¨¹¹ÏlineScanner = new Scanner (temp); // sets Scanner to scan String
43 ÏÏ§ÏÏ§
44 ÏÏ§ÏÏ¨¹¹ÏSystem.out.println
45 ÏÏ§ÏÏ§ÏÏÏÏÏÏ(" Please enter the character you would like to use as a delimiter ");
46 ÏÏ§ÏÏ¨¹¹ÏkeyboardScanner = new Scanner (System.in); //sets scanner to Keyboard
47 ÏÏ§ÏÏ¨¹¹ÏmyDelimiter = keyboardScanner.next(); // gets user's favorite delimiter
48 ÏÏ§ÏÏ¨¹¹ÏSystem.out.println( "*" + myDelimiter + "*");// echoes delimiter with stars
49 ÏÏ§ÏÏ§
50 ÏÏ§ÏÏ§           // tells line scanner to use user's delimiter
51 ÏÏ§ÏÏ¨¹¹ÏlineScanner.useDelimiter (myDelimiter);
52 ÏÏ§ÏÏ§
53 ÏÏ§ÏÏ¨¹¹±while (lineScanner.hasNext()) // if there's something left in String
54 ÏÏ§ÏÏ§ÏÏ5{
55 ÏÏ§ÏÏ§ÏÏ7¹¹Ïtemp = lineScanner.next(); // get a token from the String
56 ÏÏ§ÏÏ§ÏÏ7¹¹ÏSystem.out.println ('*' + temp + '*'); // echo it
57 ÏÏ§ÏÏ§ÏÏ°}
58 ÏÏ§ÏÏ©} // end main
59 ÏÏ©} // end class