Java API Tutorial - Java Scanner.hasNextFloat()

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Syntax

Scanner.hasNextFloat() has the following syntax.

public boolean hasNextFloat()

Example

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

import java.util.Locale;
import java.util.Scanner;
/*from www  .  j  a  v  a 2  s.  com*/
public class Main {

   public static void main(String[] args) {

      String s = "java2s.com 3.12345f";

      Scanner scanner = new Scanner(s);

      // assign locale as US to recognize float numbers in a string
      scanner.useLocale(Locale.US);
      
      while (scanner.hasNext()) {
         // check if the scanner's next token is a float
         System.out.println(scanner.hasNextFloat());
         System.out.println(scanner.next());
      }
      scanner.close();
   }
}

The code above generates the following result.

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