Write a java program to read n integers into LinkedList collection Do the following operations i) Display only negative integers ii) Delete the last element

import java.io.*;
import java.util.*;
class Slip29
{
    public static void main(String ar[]) throws IOException
    {
        int n;
        BufferedReader br= new BufferedReader(new InputStreamReader(System.in));
        System.out.print("\t\t Enter the size of Linked List ");
        n= Integer.parseInt(br.readLine());
        LinkedList<Integer> ll = new LinkedList<Integer>();
        for(int i=0;i<n;i++)
        {
           System.out.println("Enter the element ");
           ll.add(Integer.parseInt(br.readLine()));
        }
        Iterator<Integer> it = ll.iterator();
        System.out.println(" Contents of Linked List using iterator ");
        while(it.hasNext())
           System.out.println(" \t " + it.next());
        it = ll.iterator();
        System.out.println(" List of negative numbers ");
        while(it.hasNext())
        {
            int no=it.next();
            if(no<0)
               System.out.println("\t" + no);
        }
        ll.removeLast();
        it=ll.iterator();
           System.out.println(" Contents of linked list after removing last element... ");
        while(it.hasNext())
          System.out.println("\t" +it.next());
    }
}