Java.util.Scanner.toString() Method

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.

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]