What is the output of this program?public class Result

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What is the output of this program?

public class Result 
    {
        public static void main(String args[])
        {
            Double num = new Double(260.1);  
            boolean     p = num.isNaN();
            System.out.print(p);
        }
    }

1. 260.1
2. 260
3. true
4. false
5. None of these

Correct Option: D

num.isNaN() method returns returns true if i is not a number and false when i is a number. Here false is returned because i is a number i:e 260.1.