Given input (items = 6, position = 3) creates a row of 6 items and a character positioned on item 3 {0,1,2,[3],4,5} A call to left() moves the character two positions to the left and the item at position 3 is removed {0,[1],2,4,5} The next call to right() moves the character two positions to the right and the…
Tag: doubly-linked-list
Doubly Linked List adding null
I’m new to Java. I want to make student information system, but whenever I used the addStudent method, I get a list with null values. This is the student class for getting names telephone numbers and student ID. This is the Node class. Methods can be wrong maybe they are too complicated sorry for that. …
Why do I have an error that my constructor is not visible even though my constructor is public [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about programming within the scope defined in the help center. Closed 1 year ago. Improve this question I am working on a project to read a text from a note pad and store i…
Make a moving cursor using doubly linked list in java
I’m trying to write a code for a simple moving cursor in java. I have to use doubly linked list. Also I should implement doubyLinkedList class myself. In this program first we take an integer like n from user as number of lines. Then we take n lines of input. Each line contains only one character which …
Why does LinkedList not expose its Node class?
If I develop the linked list from scratch, I can store a pointer to a Node object inside my business entity class and achieve constant O(1) remove and insertAfter operations. In the java standard library implementation, they are O(n) which can differ tremendously when processing large data sets. Why don’…
Doubly Linked List, Insert Before A Given Node in Java
The method not working: Another add method which is working: A print method to debug: DoublyLinkedList class: LinkedList and Node implementations are very straightforward. Find here: https://www.geeksforgeeks.org/doubly-linked-list/ I first create a linkedlist, insert_front() a value to make the head not null…