#157 Type Substitution in List

Companies:
Alfa-Bank
Themes:
JavaCollections & GenericsCode Review

Which types can replace **** and _____?

public class Main
{
    public static void main(String[] args) {
        List<? extends Number> myList = new ArrayList<>();
        **** toAddValue = null;
        myList.add(toAddValue);
        ____ getValue = myList.get(0);
    }
}

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