Create an ArrayList with multiple object types?

Question

How do I create an ArrayList with integer and string input types? If I create one as:

List sections = new ArrayList 

        

Answer 1

Just use Entry (as in java.util.Map.Entry) as the list type, and populate it using (java.util.AbstractMap’s) SimpleImmutableEntry:

List> sections = new ArrayList<>();
sections.add(new SimpleImmutableEntry<>(anInteger, orString)):