Java Scanner.hasNext()

public boolean hasNext()

import java.util.Scanner;
import java.util.regex.Pattern;
//from   www .  j  av  a  2  s.c om
public class Main {

   public static void main(String[] args) {

      String s = "java2s.com 1 + 1 = 2.0";

      Scanner scanner = new Scanner(s);

      // check if the scanner has a token
      System.out.println(scanner.hasNext());

      // print the rest of the string
      System.out.println(scanner.nextLine());

      // check if the scanner has a token after printing the line
      System.out.println(scanner.hasNext());


      scanner.close();
   }
}