In the following Map declaration Map<Integer, String> tm = new TreeMap<Integer,

Question

In the following Map declaration

Map<Integer, String> tm = new TreeMap<Integer, String>();

what is true about the Integer and String types?

Question 1 of 5 1.0 Points Items in a Set are A. ordered and unique (no duplicates) B. unordered and not unique (duplicates are allowed) C. unordered and unique (no duplicates) D. ordered and not unique (duplicates are allowed) Reset Selection

Question 2 of 5 1.0 Points

In the following Map declaration

Map<Integer, String> tm = new TreeMap<Integer, String>();

what is true about the Integer and String types?

A. Integer is the type of the map, String is the type of the value B. Integer is the type of the key, String is the type of the value C. Integer is the type of the map, String is the type of the key D. Integer is the type of the value, String is the type of the key Reset Selection

Question 3 of 5 1.0 Points All items in a TreeSet must be Comparable, meaning that all items must correctly implement compareTo(). True False Reset Selection

Question 4 of 5 1.0 Points ArrayList and LinkedList both implement the List interface. Why would you choose one over the other? A. You don't have to, ArrayList and LinkedList work the same B. The decision is based only on personal preference C. The decision is based on the number of available methods that can be used D. You may choose one over the other due to performance differences Reset Selection

Question 5 of 5 1.0 Points Abstraction and Hiding design decisions are important concepts because (check all that apply) A. Makes systems more flexible B. Enables a programmer to use various methods/classes/etc without having to worry about the underlying details C. Results in better software design

Explanation / Answer

TRUE

D.You may choose one over the other due to performance differences

C. unordered and unique (no duplicates)

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