What Will Be The Output Of The Following Java Programp Pre #1194

What will be the output of the following Java program?</p> <pre><code class="language-java" line="1"> 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<Integer> li = Arrays.asList(1, 2, 3); System.out.println(sumOfList(li)); } }</code></pre>

This multiple choice question (MCQ) is related to the book/course gs gs128 Java. It can also be found in gs gs128 Java Generics - Java Wildcards - Quiz No.1.

 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<Integer> li = Arrays.asList(1, 2, 3); System.out.println(sumOfList(li)); } }