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Alex Rivera
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Here is my program. I am not sure why I am getting a compile time error. import java.util.ArrayList; import java.util.List; public class Test { public static void main(String[] args) { List< ? extends Number > list = new ArrayList<Integer>(); list.add(6); // Compile Time Error System.out.println(list); } } But the following program works fine import java.util.ArrayList; import java.util.List; public class Test { public static void main(String[] args) { List< ? super Number > list = new ArrayList<Number>(); list.add(6); System.out.println(list); } } Error from Eclipse: Here is the error description from Eclipse: The method add(int, capture#1-of ? extends Number) in the type List is not applicable for the arguments (int)
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