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:
// 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();
}
} |
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()