Java.util.Scanner.toString() Method


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Description

The java.util.Scanner.toString() method returns the string representation of this Scanner. The string representation of a Scanner contains information that may be useful for debugging. The exact format is unspecified.

Declaration

Following is the declaration for java.util.Scanner.toString() method

public String toString()

Parameters

NA

Return Value

This method returns the string representation of this scanner

Exception

NA

Example

The following example shows the usage of java.util.Scanner.toString() method.

Live Demo
package com.tutorialspoint;

import java.util.*;

public class ScannerDemo {
   public static void main(String[] args) {

      String s = "Hello World! 3 + 3.0 = 6.0 true ";

      // create a new scanner with the specified String Object
      Scanner scanner = new Scanner(s);

      // print a line of the scanner
      System.out.println("" + scanner.nextLine());

      // display information about this scanner
      System.out.println(""+scanner.toString());

      // close the scanner
      scanner.close();
   }
}

Let us compile and run the above program, this will produce the following result −

Hello World! 3 + 3.0 = 6.0 true 
java.util.Scanner[delimiters = \p{javaWhitespace}+][position = 32][match valid = true][need input = false][source closed = true][skipped = false][group separator = \.][decimal separator = \,][positive prefix = ][negative prefix = \Q-\E][positive suffix = ][negative suffix = ][NaN string = \Q?\E][infinity string = \Q?\E]

java_util_scanner.htm

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