Question

Question 4 In the following creation of a HashMap, what does String represent? 0 HashMap<String, Integer> schoolIDs = new HashMap<String, Integer>(); Map type Return type Value type Key type Question 5 To make a Deque behave like a stack, which methods should be used for element insertion and removal? addFirst() and removeFirst() insertFirst() and deleteFirst() addHead() and removeHead() insertHead() and deleteHead() 1 pts 1 pts

          Question 4
In the following creation of a HashMap, what does String represent?
0
HashMap<String, Integer> schoolIDs = new HashMap<String, Integer>();
Map type
Return type
Value type
Key type
Question 5
To make a Deque behave like a stack, which methods should be used for element insertion and
removal?
addFirst() and removeFirst()
insertFirst() and deleteFirst()
addHead() and removeHead()
insertHead() and deleteHead()
1 pts
1 pts

Question 4
In the following creation of a HashMap, what does String represent?
0
HashMap<String, Integer> schoolIDs = new HashMap<String, Integer>();
Map type
Return type
Value type
Key type
Question 5
To make a Deque behave like a stack, which methods should be used for element insertion and
removal?
addFirst() and removeFirst()
insertFirst() and deleteFirst()
addHead() and removeHead()
insertHead() and deleteHead()
1 pts
1 pts

Added by Jessica B.

Computer Science and Information Technology

Trishna Knowledge Systems 2018 Edition

Instant Answer

Solved by Expert Liliane Martins

Step 1

This means that the keys in the HashMap will be of type String. So, in the given code snippet, the HashMap "schoolIDs" will have keys of type String and values of type Integer. Now, moving on to question 5, to make a Deque behave like a stack, we need to use the Show more…

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Question 4 In the following creation of a HashMap, what does String represent? HashMap<String, Integer> schoolIDs = new HashMap<String, Integer>(O): Map type Return type Value type Key type Question 5 To make a Deque behave like a stack, which methods should be used for element insertion and removal? addFirst and removeFirst insertFirst and deleteFirst addHead and removeHead insertHead and deleteHead