Java API Tutorial - Java Scanner.hasNextInt()

• Back to Scanner  ↑

Syntax

Scanner.hasNextInt() has the following syntax.

public boolean hasNextInt()

Example

In the following code shows how to use Scanner.hasNextInt() method.

/*from w w w  . ja  va  2  s .c  o m*/
import java.util.Scanner;

public class Main {

   public static void main(String[] args) {

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

      Scanner scanner = new Scanner(s);

      while (scanner.hasNext()) {
         // check if the scanner's next token is an int
         System.out.println(scanner.hasNextInt());

         System.out.println(scanner.next());
      }
      scanner.close();
   }
}

The code above generates the following result.

• Back to Scanner  ↑