In the queue ADT implementation, the node structure is _____ to the structure used for a stack.
A. similar
B. very different
C. identical
D. completely different
Answer: C
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Answer the following statements true (T) or false (F)
1) Using the hasNext() and next() methods in a loop is the only way to retrieve all of the list elements using an iterator. 2) A user may not be able to predict the order in which an iterator will return elements from a collection 3) ‘Fail-fast’ means that a program will crash if a collection class supports the Iterable interface but no Iterator object is created. 4) An iterator’s remove method requires the use of a for-each loop. 5) When a user writes code to implement a collection class that implements the Iterable interface, they have to write code for the next and hasNext methods.
The method that must be implemented in a class using the Comparable interface is:
a. public Object compareTo(Object other) b. public Boolean compareTo(Object other) c. public int compareTo(Object other) d. none of the above
Text messaging is an asynchronous service; messages are delivered to a mobile device, where they are stored, and the recipient should delete them after they are viewed.
Answer the following statement true (T) or false (F)
In Excel, you can reduce the total width of a(n) ________ by adjusting the column widths
Fill in the blank(s) with correct word