choiceA - SLNode<Integer> temp = myFront.getSuccessor();myFront.getSuccessor().getSuccessor().getSuccessor().setSuccessor(temp);myFront.setSuccessor(temp.getSuccessor());temp.setSuccessor(null);temp = null;choiceB - SLNode<Integer> temp = myFront.getSuccessor();myFront.getSuccessor().getSuccessor().setSuccessor(temp);myFront.setSuccessor(temp.getSuccessor());temp.setSuccessor(null);temp = null;choiceC- SLNode<Integer> temp = myFront.getSuccessor();myFront.getSuccessor().getSuccessor().getSuccessor().setSuccessor(temp);myFront.getSuccessor().setSuccessor(temp.getSuccessor());temp.setSuccessor(null);temp = null;choiceD- SLNode<Integer> temp = myFront;myFront.getSuccessor().getSuccessor().getSuccessor().setSuccessor(temp);myFront.setSuccessor(temp.getSuccessor());temp.setSuccessor(null);temp = null; Which code shown below changes the circularly linked list of nodes (with aheader/sentinel node) below:myFront3Into this singularly lined list (with a header/sentinel node):myFront →>¬2>3]>1> nullIn both cases, myFront is a variable of type SLNode referring to a header/sentinel nodeat the front of the chain of nodes.Here is the code which creates the initial condition:= new SLNode(3, null);SLNode myFrontmyFrontmyFrontmyFrontmyFront.getSuccessor().getSuccessor().getSuccessor().setSuccessor(myFront);= new SLNode(2, myFront);new SLNode(1, myFront);= new SLNode(null, myFront);(The definition of the SLNode class appears below.) (The definition of the SLNode class appears below.)public class SLNode {private E myElement;private SLNode mySuccessor;public SLNode() {myElementmySuccessor}null;null;%3Dpublic SLNode ( E theElement, SLNode theSuccessor ) {myElementmySuccessor = theSuccessor;}theElement;public E getElement() {return myElement;}public void setElement( E theElement ) {myElement}theElement;public SLNode getSuccessor() {return mySuccessor;}public void setSuccessor( SLNode theSuccessor ) {mySuccessor}}theSuccessor;SLNode tempmyFront.getSuccessor().getSuccessor().getSuccessor ().setSuccessor(temp);myFront.setSuccessor (temp.getSuccessor());temp.setSuccessor(null);tempmyFront.getSuccessor();%Dnull;CLA

Option A) SLNode<Integer> temp =…

Answered: choiceA - SLNode temp =…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

choiceA - SLNode<Integer> temp = myFront.getSuccessor();
myFront.getSuccessor().getSuccessor().getSuccessor().setSuccessor(temp);
myFront.setSuccessor(temp.getSuccessor());
temp.setSuccessor(null);
temp = null;

choiceB - SLNode<Integer> temp = myFront.getSuccessor();
myFront.getSuccessor().getSuccessor().setSuccessor(temp);
myFront.setSuccessor(temp.getSuccessor());
temp.setSuccessor(null);
temp = null;

choiceC- SLNode<Integer> temp = myFront.getSuccessor();
myFront.getSuccessor().getSuccessor().getSuccessor().setSuccessor(temp);
myFront.getSuccessor().setSuccessor(temp.getSuccessor());
temp.setSuccessor(null);
temp = null;

choiceD- SLNode<Integer> temp = myFront;
myFront.getSuccessor().getSuccessor().getSuccessor().setSuccessor(temp);
myFront.setSuccessor(temp.getSuccessor());
temp.setSuccessor(null);
temp = null;

Which code shown below changes the circularly linked list of nodes (with a
header/sentinel node) below:
myFront
3
Into this singularly lined list (with a header/sentinel node):
myFront →
>¬2>3]>1> null
In both cases, myFront is a variable of type SLNode referring to a header/sentinel node
at the front of the chain of nodes.
Here is the code which creates the initial condition:
= new SLNode<Integer>(3, null);
SLNode<Integer> myFront
myFront
myFront
myFront
myFront.getSuccessor().getSuccessor().getSuccessor().setSuccessor(myFront);
= new SLNode<Integer>(2, myFront);
new SLNode<Integer>(1, myFront);
= new SLNode<Integer>(null, myFront);
(The definition of the SLNode class appears below.)

(The definition of the SLNode class appears below.)
public class SLNode<E> {
private E myElement;
private SLNode<E> mySuccessor;
public SLNode() {
myElement
mySuccessor
}
null;
null;
%3D
public SLNode ( E theElement, SLNode<E> theSuccessor ) {
myElement
mySuccessor = theSuccessor;
}
theElement;
public E getElement() {
return myElement;
}
public void setElement( E theElement ) {
myElement
}
theElement;
public SLNode<E> getSuccessor() {
return mySuccessor;
}
public void setSuccessor( SLNode<E> theSuccessor ) {
mySuccessor
}
}
theSuccessor;
SLNode<Integer> temp
myFront.getSuccessor().getSuccessor().getSuccessor ().setSuccessor(temp);
myFront.setSuccessor (temp.getSuccessor());
temp.setSuccessor(null);
temp
myFront.getSuccessor();
%D
null;
CLA

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