Accounting Basics Tutorial


Java Collections LinkedList

Linked List

Java LinkedList class uses doubly linked list to store the elements. It extends the AbstractList class and implements List and Deque interfaces.
•    Java LinkedList class can contain duplicate elements.
•    Java LinkedList class maintains insertion order.
•    Java LinkedList class is non synchronized.
•    In Java LinkedList class, manipulation is fast because no shifting needs to be occurred.
•    Java LinkedList class can be used as list, stack or queue.

WRITE A PROGRAM ON LINKED LIST CLASS.
import java.util.*;
class Sample
{
        public static void main(String args[])
        {
                LinkedList <String>l1=new LinkedList<String>();
                l1.add("f1");
                l1.add("B");
                l1.add("E");
                l1.add("C");
                l1.add("A");
                l1.add(1,"A2");
                System.out.println(l1);
                l1.remove("f");
                l1.remove(2);
                l1.removeFirst();
                l1.removeLast();
                System.out.println(l1);
        }
}



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