LinkList

 import java.util.*;

class LL1{

public static void main(String args[]){

LinkedList<String> list = new LinkedList<String>();

list.addFirst("a");

list.addFirst("is");

System.out.println(list);

list.add("list"); //by default added to last

list.addFirst("This");

System.out.println(list);

System.out.println(list.size()); //to print size of list

//print list

for(int i=0; i<list.size();i++){

System.out.print(list.get(i)+" -> ");

}

System.out.println("NULL");

list.removeFirst();

System.out.println(list);

list.removeLast();

System.out.println(list);

list.remove(1);

System.out.println(list);

}

}