Stack ADT // remove the most recently added item pop() throws ArrayOutOfBoundsException Stack ADT // add an item push(Item item) Stack ADT // Sets the stack's internal ArrayList to the given ArrayList setContents (ArrayList contents)
Stack ADT // remove the most recently added item pop() throws ArrayOutOfBoundsException Stack ADT // add an item push(Item item) Stack ADT // Sets the stack's internal ArrayList to the given ArrayList setContents (ArrayList contents)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:Question 2
(Acuña) Select the functions from the following list that could belong to an ADT. (Hint: ask yourself
if these methods belong in an idealistic ADT, i.e. one truly meeting the ADT design rule.)
Stack ADT
// remove the most recently added item
pop() throws ArrayOutOfBounds Exception
Stack ADT
// add an item.
push(Item item)
Stack ADT
// Sets the stack's internal ArrayList to the given ArrayList
setContents (ArrayList contents)
Stack ADT
// remove the most recently added item
pop() throws EmptyStackException
Stack ADT
// Sets resize factor for the internal array
setResizeFactor (float rsf)
![Question 1
Consider the following implementation of a 1D vector class:
public class IntVector {
}
private final int[] data;
public IntVector (int[] vector) {
if(vector == null)
throw new IllegalArgumentException();
data[y] = vector[y];
}
Is this class immutable? Answer yes/no, and justify.
No - the constructor always throws an exception before it is able to copy the data.
Yes - the constructor validates that there is no outside refeference to the data and throws an exception if
there is.
No - this would not even compile since there is an assignment to a final variable in the constructor.
Yes - the member variable is set to final and that is sufficient.
Yes - the member variable is set to final and the constructor makes a deep copy.
O No - although the member variable is set to final, the constructor does not make a deep copy.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc37db6a7-fafa-4d93-a89d-543f595a4e9f%2Ffaaf7772-668a-4b58-86fe-9c96bf984566%2F5ku5oeb.png&w=3840&q=75)
Transcribed Image Text:Question 1
Consider the following implementation of a 1D vector class:
public class IntVector {
}
private final int[] data;
public IntVector (int[] vector) {
if(vector == null)
throw new IllegalArgumentException();
data[y] = vector[y];
}
Is this class immutable? Answer yes/no, and justify.
No - the constructor always throws an exception before it is able to copy the data.
Yes - the constructor validates that there is no outside refeference to the data and throws an exception if
there is.
No - this would not even compile since there is an assignment to a final variable in the constructor.
Yes - the member variable is set to final and that is sufficient.
Yes - the member variable is set to final and the constructor makes a deep copy.
O No - although the member variable is set to final, the constructor does not make a deep copy.
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