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Discussion :: Java.lang Class

  1. What will be the output of the program? 

    public class SqrtExample  {     public static void main(String [] args)      {         double value = -9.0;         System.out.println( Math.sqrt(value));     } }

    2. A.
    3.0
    B.
    -3.0
    C.
    NaN
    D.
    Compilation fails.

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    Workspace

    View Answer

    Answer : Option C

    Explanation :

    The sqrt() method returns NaN (not a number) when it's argument is less than zero.

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