Assume we have a linked list of size 5 containing the characters a, b, c, d, and е, in t that the head element is a and the tail element is e. TASK 1: Drawa diagram of the linked list containing the five characters. Consider the following Java code: Node walker = head; Node hopper = walker.link; Node trotter = hopper.link; walker.link = trotter; %3D System.out.println("Hello!"); walker = trotter.link; hopper = walker.link;

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
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Assume we have a linked list of size 5 containing the characters a, b, c, d, and e, in that order so
that the head element is a and the tail element is e.
TASK 1: Draw a diagram of the linked list containing the five characters.
Consider the following Java code:
Node walker =
head;
!!
= walker.link;
Node trotter = hopper.link;
Node hopper
walker.link = trotter;
System.out.println("Hello!");
walker = trotter.link;
hopper = walker.link;
trotter.link = hopper;
System.out.println("Goodbye!");
TASK 2: Draw a diagram of the linked list at the point "Hello!" is printed. Show the positions of
walker, hopper, and trotter.
TASK 3: Draw a diagram of the linked list at the point "Goodbye!" is printed. Show the positions of
walker. hopper, and trotter.
Transcribed Image Text:Assume we have a linked list of size 5 containing the characters a, b, c, d, and e, in that order so that the head element is a and the tail element is e. TASK 1: Draw a diagram of the linked list containing the five characters. Consider the following Java code: Node walker = head; !! = walker.link; Node trotter = hopper.link; Node hopper walker.link = trotter; System.out.println("Hello!"); walker = trotter.link; hopper = walker.link; trotter.link = hopper; System.out.println("Goodbye!"); TASK 2: Draw a diagram of the linked list at the point "Hello!" is printed. Show the positions of walker, hopper, and trotter. TASK 3: Draw a diagram of the linked list at the point "Goodbye!" is printed. Show the positions of walker. hopper, and trotter.
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