The class List below is in java.util. What is the output of the following program segment?

List aList =$=$ new Vector<>()$<>()$;

aList.add("$("$one")$")$;

aList.add("$("$two")$")$;

aList.add("$("$three")$")$;

aList.add(2,$(2,$ "one")$)$;

aList.remove("$("$one")$")$;

System.out.println($($aList +"$+"$

"+$"+$ aList.size())$())$;