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Which choice below represents code to change this linked list:

Which choice below represents code to change this linked list:

Computer Networking: A Top-Down Approach (7th Edition)
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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A - front.setNext(rear.getPrevious());
rear.getPrevious().setPrevious((DLNode<String>) front);

B - front.getNext().getNext().setNext(rear.getPrevious());
rear.getPrevious().setPrevious((DLNode<String>) front.getNext().getNext());

C - front.getNext().getNext().setNext(rear.getPrevious().getPrevious());
rear.getPrevious().getPrevious().setPrevious((DLNode<String>) front.getNext().getNext());

D - front.getNext().setNext(rear.getPrevious());
rear.getPrevious().setPrevious((DLNode<String>) front.getNext());

Which choice below represents code to change this linked list: Front Rear n < nullRARBZCZ. null null Into this: Front Rear null A RARCÈ null null null (The definition of the SLNode and DLNode classes appears below as a reference.) Here is the code that produces the linked list of nodes shown in the upper diagram: DLNode<String> front = new DLNode<String>(null, null, null); DLNode<String> rear = new DLNode<String>(null, null, null); DLNode<String> temp1 front.setNext(temp1); new DLNode<String>("A", front, null); DLNode<String> temp2 = new DLNode<String>("B", temp1, null); temp1.setNext(temp2); = new DLNode<String>("C", temp2, rear); temp1 temp2.setNext(temp1); rear.setPrevious (temp1);
Transcribed Image Text:Which choice below represents code to change this linked list: Front Rear n < nullRARBZCZ. null null Into this: Front Rear null A RARCÈ null null null (The definition of the SLNode and DLNode classes appears below as a reference.) Here is the code that produces the linked list of nodes shown in the upper diagram: DLNode<String> front = new DLNode<String>(null, null, null); DLNode<String> rear = new DLNode<String>(null, null, null); DLNode<String> temp1 front.setNext(temp1); new DLNode<String>("A", front, null); DLNode<String> temp2 = new DLNode<String>("B", temp1, null); temp1.setNext(temp2); = new DLNode<String>("C", temp2, rear); temp1 temp2.setNext(temp1); rear.setPrevious (temp1);
class SLNode<E> { private E myElement; private SLNode<E> myNext; public SLNode() { myElement myNext } null; null; public SLNode (final E theElement, final SLNode<E> theNext) { myElement myNext = theNext; } theElement; public E getElement() { return myElement; } public void setElement(final E theElement) { myElement } theElement; %3D public SLNode<E> getNext() { return myNext; } public void setNext(final SLNode<E> theNext) { myNext } } theNext; class DLNode<E> extends SLNode<E> { private DLNode<E> myPrevious; public DLNode() { super(); myPrevious } null; public DLNode (final E theElement, final DLNode<E> thePrevious, final DLNode<E> theNext) { super(theElement, theNext); myPrevious } thePrevious; public DLNode<E> getPrevious () { return myPrevious; } public void setPrevious (final DLNode<E> thePrevious) { myPrevious } } thePrevious;
Transcribed Image Text:class SLNode<E> { private E myElement; private SLNode<E> myNext; public SLNode() { myElement myNext } null; null; public SLNode (final E theElement, final SLNode<E> theNext) { myElement myNext = theNext; } theElement; public E getElement() { return myElement; } public void setElement(final E theElement) { myElement } theElement; %3D public SLNode<E> getNext() { return myNext; } public void setNext(final SLNode<E> theNext) { myNext } } theNext; class DLNode<E> extends SLNode<E> { private DLNode<E> myPrevious; public DLNode() { super(); myPrevious } null; public DLNode (final E theElement, final DLNode<E> thePrevious, final DLNode<E> theNext) { super(theElement, theNext); myPrevious } thePrevious; public DLNode<E> getPrevious () { return myPrevious; } public void setPrevious (final DLNode<E> thePrevious) { myPrevious } } thePrevious;
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