B003_ParameterizedTypes.java

import java.util.List;

class B003_ParameterizedTypes {
    {
        java.util.List<?> list;
        java.util.List<String> list2;
        java.util.Map<Number, Double> map;
        java.util.Map<List<String>, List<List<Double>>> map2;
        java.util.List<? extends Number> extending;
        java.util.List<? super Integer> withSuper;
        java.util.List<? extends List<String>> list3;
        java.util.List<?>[] arrayOfLists;
    }
}