Examveda

What will be the output of the following Java program?
import java.util.*;
class Output
{
    public static double sumOfList(List<? extends Number> list) 
    {
        double s = 0.0;
        for (Number n : list)
            s += n.doubleValue();
        return s;
    }
    public static void main(String args[])
    {
       List<Double> ld = Arrays.asList(1.2, 2.3, 3.5);
       System.out.println(sumOfList(ld));
    }
}

A. 5.0

B. 7.0

C. 8.0

D. 6.0

Answer: Option B


This Question Belongs to Java Program >> Generics In Java

Join The Discussion

Related Questions on Generics in Java