{filelink=212}

/***** Code de MesExemples.com *******/
class JavaExempleDoubleIsNaN {

public static void main(String[] args)
{


double d = Math.sqrt(-10);
boolean b1 = Double.isNaN(d);
System.out.println(b1);


Double myVal = new Double(d);
boolean b2 = myVal.isNaN();
System.out.println(b2);
}

}

/*
true
true
*/