Code: Select all
List<String> list = new ArrayList<>();
List<? extends String> list2 = new ArrayList<>();
list.add("A");
list.addAll(new ArrayList<>());
list.addAll(list2);
System.out.println(list.size());
Thanks.
Moderator: admin
Code: Select all
List<String> list = new ArrayList<>();
List<? extends String> list2 = new ArrayList<>();
list.add("A");
list.addAll(new ArrayList<>());
list.addAll(list2);
System.out.println(list.size());
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