Java tutorial
import java.util.Scanner; public class Main { public static void main(String[] args) { String s = "java2s.com 1 + 1 = 2.0 true"; Scanner scanner = new Scanner(s); while (scanner.hasNext()) { // if the next is BigInteger, print "Found" and the Integer if (scanner.hasNextBigInteger()) { System.out.println("Found :" + scanner.nextBigInteger()); } // if a BigInteger is not found, print "Not Found" and the token System.out.println("Not Found :" + scanner.next()); } scanner.close(); } }