Java Scanner .findWithinHorizon (String pattern, int horizon)

public String findWithinHorizon(String pattern,   int horizon)

/*from   www . ja v a  2s. c  om*/
import java.util.Scanner;
import java.util.regex.Pattern;

public class Main {

   public static void main(String[] args) {

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

      Scanner scanner = new Scanner(s);

      // find a string of world, with horizon of 10
      System.out.println(scanner.findWithinHorizon("com", 10));

      // find a string of world, with horizon of 20
      System.out.println(scanner.findWithinHorizon("=", 20));

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


      scanner.close();
   }
}