Question 1
Which of the data types below could be used to store elements in their natural order based on the compareTo method?
◦ HashSet
◦ TreeSet
◦ LinkedHashSet
◦ Set
◦ Collection
Question 2
If two objects o1 and o2 are equal, what are the values for o1.equals(o2) and o1.hashCode() == o2.hashCode()?
◦ true true
◦ false false
◦ true false
◦ false true