6. In order to add an object to a TreeeSet, that objectmust be?__________ 7. In

Question

6. In order to add an object to a TreeeSet, that objectmust be?__________ 7. In order to add an object to a HasSet, that object musthave an appropriate ___________method. 8. When you iterate through a TreeSet, what order do youaccess the objects? ________________________________ 9. When you iterate through a HashSet, what order do youaccess the objects? _________________________________ 10. List the Set methods in the ABsubset._______________________________ 11. List the Map methods in the ABsubset._________________________________ 12. You can use an index to access an element in alist. You use a ____________ to access an item in a map. 13. Map entries must have a unique_______________. 6. In order to add an object to a TreeeSet, that objectmust be?__________ 7. In order to add an object to a HasSet, that object musthave an appropriate ___________method. 8. When you iterate through a TreeSet, what order do youaccess the objects? ________________________________ 9. When you iterate through a HashSet, what order do youaccess the objects? _________________________________ 10. List the Set methods in the ABsubset._______________________________ 11. List the Map methods in the ABsubset._________________________________ 12. You can use an index to access an element in alist. You use a ____________ to access an item in a map. 13. Map entries must have a unique_______________. 7. In order to add an object to a HasSet, that object musthave an appropriate ___________method. 8. When you iterate through a TreeSet, what order do youaccess the objects? ________________________________ 9. When you iterate through a HashSet, what order do youaccess the objects? _________________________________ 10. List the Set methods in the ABsubset._______________________________ 11. List the Map methods in the ABsubset._________________________________ 12. You can use an index to access an element in alist. You use a ____________ to access an item in a map. 13. Map entries must have a unique_______________.

Explanation / Answer

7)      The HashSet class is used tomanage a set of objects that have unique values. Passing an objectto a HashSet object's add method will add the object to the HashSetunless there is already an object in the HashSet that equals theobject passed to the add method.

8)      sorted according to the naturalordering of its elements and elements inserted into the set mustimplement the Comparable interface

13)  Map entries must have a unique-- maps keys tovalues

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