Java Double isNaN method example
- /*
- Java Double isNaN method example
- This example shows how to use isNaN() method of the Double class.
- */
- public class JavaDoubleIsNaNExample {
- public static void main(String[] args) {
- /*
- boolean isNaN(double f) static method checks whether the agrument
- primitive double value is Not-a-Number value or not.
- It return true if the specified argument is Not-a-Number value, false otherwise.
- */
- double d = Math.sqrt(-10);
- boolean b1 = Double.isNaN(d);
- System.out.println(b1);
- /*
- boolean isNaN() instance method checks whether the Double object is
- Not-a-Number value or not.
- It return true if the object is Not-a-Number value, false otherwise.
- */
- Double dObj = new Double(d);
- boolean b2 = dObj.isNaN();
- System.out.println(b2);
- }
- }
- /*
- Output would be
- true
- true
- */



