Java Data Type Tutorial - Java Float.isNaN()

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Syntax

Float.isNaN() has the following syntax.

public boolean isNaN()

Example

In the following code shows how to use Float.isNaN() method.

public class Main {
/*  ww  w  .j  ava  2  s.  c  o m*/
   public static void main(String[] args) {

     Float f1 = new Float(-1.0/0.0);
     Float f2 = new Float(0.0/0.0);
  
     System.out.println(f1 + " = " + f1.isNaN());
     System.out.println(f2 + " = " + f2.isNaN());
   }
}

The code above generates the following result.

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