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Program: Basic LinkedList Operations.


Here we can see example for basic operations like creating object for LinkedList, adding objects into LinkedList, searching an object in LinkedList, whether it is listed under this LinkedList instance or not, checking whether the LinkedList is empty or not, and finally size of the LinkedList.

package com.java2novice.linkedlist;

import java.util.LinkedList;

public class MyBasicOperations {

	public static void main(String a[]){
		LinkedList<String> ll = new LinkedList<String>();
		System.out.println("Size of the linked list: "+ll.size());
		System.out.println("Is LinkedList empty? "+ll.isEmpty());
		System.out.println("Does LinkedList contains 'Grape'? "+ll.contains("Grape"));

[Orange, Apple, Grape, Banana]
Size of the linked list: 4
Is LinkedList empty? false
Does LinkedList contains 'Grape'? true
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List Of All LinkedList Sample Programs:

  1. Basic LinkedList Operations.
  2. How to read all elements in LinkedList by using iterator?
  3. How to copy or clone a LinkedList?
  4. How to add all elements of a list to LinkedList?
  5. How to delete all elements from my LinkedList?
  6. How to find does LinkedList contains all list elements or not?
  7. How to copy LinkedList to array?
  8. How to get sub list from LinkedList?
  9. How to sort LinkedList using Comparator?
  10. How to reverse LinkedList content?
  11. How to shuffle elements in LinkedList?
  12. How to swap two elements in a LinkedList?
  13. How to convert list to csv string format?
  14. How to add element at first position in LinkedList?
  15. How to add element at last position in LinkedList?
  16. How to read first element from LinkedList?
  17. How to read last element from LinkedList?
  18. How to iterate through LinkedList in reverse order?
  19. LinkedList push(), pop() operations examples.
  20. How to remove elements from LinkedList?
Knowledge Centre
Difference between Enumeration and Iterator
The functionality of Enumeration and the Iterator are same. You can get remove() from Iterator to remove an element, while while Enumeration does not have remove() method. Using Enumeration you can only traverse and fetch the objects, where as using Iterator we can also add and remove the objects. So Iterator can be useful if you want to manipulate the list and Enumeration is for read-only access.

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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