Scanner toString() method in Java with Examples

The toString() method of java.util.Scanner class returns the string representation of this Scanner. The exact format is unspecified.

Syntax:

public String toString()

Return Value: This function returns the string representation of this scanner.



Below program illustrates the above function:

Program 1:

filter_none

edit
close

play_arrow

link
brightness_4
code

// Java program to illustrate the
// toString() method of Scanner class in Java
  
import java.util.*;
  
public class GFG1 {
    public static void main(String[] argv)
        throws Exception
    {
  
        String s = "GeeksForGeeks - "
                   + "A Computer Science Portal for Geeks";
  
        // create a new scanner
        // with the specified String Object
        Scanner scanner = new Scanner(s);
  
        // print a line of the scanner
        System.out.println("Scanner String: \n"
                           + scanner.nextLine());
  
        // display information about this scanner
        System.out.println("\nString representation "
                           + "of this Scanner:\n"
                           + scanner.toString());
  
        // close the scanner
        scanner.close();
    }
}

chevron_right


Output:

Scanner String: 
GeeksForGeeks - A Computer Science Portal for Geeks

String representation of this Scanner:
java.util.Scanner[delimiters=\p{javaWhitespace}+]
[position=51][match valid=true][need input=false]
[skipped=false][group separator=\,]
[decimal separator=\.][positive prefix=]
[negative prefix=\Q-\E][positive suffix=]
[negative suffix=][NaN string=\Q?\E][infinity string=\Q?\E]

Reference: https://docs.oracle.com/javase/7/docs/api/java/util/Scanner.html#toString()



My Personal Notes arrow_drop_up

The function of education is to teach one to think intensively and to think critically

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.




Article Tags :
Practice Tags :


Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.