Exam (elaborations)
CSE 205 FINAL EXAM QUESTIONS AND ANSWERS 2024
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CSE 205 FINAL EXAM QUESTIONS AND ANSWERS 2024
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CSE 205 FINAL EXAMAssume we are using Quicksort to sort an array in ascending order. What can we
conclude about the elements to the left of the currently placed pivot element?
A. they are all less than or equal to the pivot element
B. they are all greater than or equal to the pivot element
C. they are all sorted
D. none can equal the pivot element - ANSWERS-A. they are all less than or equal
to the pivot element
Given an ordered array with 15 elements, how many elements must be visited in
the worst case of binary search?
A. 2
B. 8
C. 4
D. 3 - ANSWERS-C. 4
Suppose you wish to implement the Comparable interface to allow you Vehicle
class to compare Auto objects only. Which of the following is the correct way to
do this?
A. public class Auto implements Comparable<Vehicle>
B. public class Vehicle implements Comparable(Auto)
C. public class Vehicle implements Comparable
, D. public class Vehicle implements Comparable<Auto> - ANSWERS-D. public class
Vehicle implements Comparable<Auto>
A queue is a collection that _________________.
A. remembers the order of elements, and allows elements to be added and
removed only at one end
B. remembers the order to elements and allows elements to be inserted only at
one end and removed only at the other end
C. does not remember the order of elements, but allows elements to be added in
any position
D. remembers the order of elements and allows elements to be inserted in any
position - ANSWERS-B. remembers the order of elements and allows elements to
be inserted only at one end and removed only at the other end
Assume you are using a doubly-linked list data structure with many notes. What is
the minimum number of node references that are required to be modified to
remover a node from the middle of the list? Consider the neighboring nodes
A. 3
B. 2
C. 4
D. 1 - ANSWERS-B. 2
You need to access values in the opposite order in which they were added (last in,
first out) and not randomly. Which collection type should you use?
A. hashtable
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