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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Write the code for the del () method in the following doubly linked list class
public class ObjDList {
}
public ObjDList() { list = null; tail = null; }
public void del (int k) {
// delete the node from the list that is in position k
// from the start of the list, if it exists
}
private ObjNode list;
private ObjNode tail;
private class ObjNode {
public String item;
public ObjNode next;
}
public ObjNode prev;
public ObjNode (String element) {
item = element;
next = null;
prev = null;
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Transcribed Image Text:Write the code for the del () method in the following doubly linked list class public class ObjDList { } public ObjDList() { list = null; tail = null; } public void del (int k) { // delete the node from the list that is in position k // from the start of the list, if it exists } private ObjNode list; private ObjNode tail; private class ObjNode { public String item; public ObjNode next; } public ObjNode prev; public ObjNode (String element) { item = element; next = null; prev = null;
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