LinkedList in Java Example

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import java.util.*;

public class JavaLinkedListExample {
	public static void main(String args[]) {

        /* Linked List Declaration */
        LinkedList<String> languageList = new LinkedList<String>();

        /*add(String Element) is used for adding 
         * the elements to the linked list*/
        languageList.add("Java");
        languageList.add("C#");
        languageList.add("C");
        languageList.add("Phython");


        /*Display Linked List Content*/
        System.out.println("Linked List Content: " +languageList);

        /*Add First and Last Element*/
        languageList.addFirst("First Item");
        languageList.addLast("Last Item");
        System.out.println("LinkedList Content after addition: " +languageList);

        /*This is how to get and set Values*/
        Object firstvar = languageList.get(0);
        System.out.println("First element: " +firstvar);
        languageList.set(0, "Changed first item");
        Object firstvar2 = languageList.get(0);
        System.out.println("First element after update by set method: " +firstvar2);

        /*Remove first and last element*/
        languageList.removeFirst();
        languageList.removeLast();
        System.out.println("LinkedList after deletion of first and last element: " +languageList);

        /* Add to a Position and remove from a position*/
        languageList.add(0, "Newly added item");
        languageList.remove(2);
        System.out.println("Final Content: " +languageList); 
    }
}

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