/*
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
*/
