Question 1
Which of the following are correct methods in Map?
◦ remove(int index)
◦ containsValue(Object value)
◦ remove(Object key)
◦ containsKey(Object key)
◦ isEmpty()
Question 2
The elements in ________ are sorted.
◦ HashSet
◦ List
◦ TreeSet
◦ LinkedHashSet
◦ TreeMap