Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Transcribed Image Text:Assume you have a class SLNode<E> representing a node in a singly-linked list and a
variable called list referencing the first element on a list of integers, as shown below:
public class SLNode<E> {
private E data;
private SLNode<E> next;
public SLNode( E e){ data = e; next = null; }
public SLNode<E> getNext() { return next; }
public void setNext( SLNode<E>n){ next = n; }
}
SLNode<Integer> list;
Write a fragment of Java code that would append a new node with data value 21 at
the end of the list. Assume that you don't know if the list has any elements in it or
not (i.e., it may be empty). Do not write a complete method, but just show a
necessary fragment of code.
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