import java.util.*; class A { public static void main(String[] args) { List<String> strings = new ArrayList<>(); List<? super Integer> list = new ArrayList<>(); list.addAll<error descr="'addAll(java.util.Collection<? extends capture<? super java.lang.Integer>>)' in 'java.util.List' cannot be applied to '(java.util.List<java.lang.String>)'">(strings)</error>; System.out.println(list.toString()); } }