ListDemo.java.html

  1  import java.util.LinkedList;
  2  import java.util.ListIterator;
  3  
  4  /**
  5     This program demonstrates the LinkedList class.
  6  */
  7  public class ListDemo
  8  {  
  9     public static void main(String[] args)
 10     {  
 11        LinkedList<String> staff = new LinkedList<String>();
 12        staff.addLast("Diana");
 13        staff.addLast("Harry");
 14        staff.addLast("Romeo");
 15        staff.addLast("Tom");
 16        
 17        // | in the comments indicates the iterator position
 18  
 19        ListIterator<String> iterator = staff.listIterator(); // |DHRT
 20        iterator.next(); // D|HRT
 21        iterator.next(); // DH|RT
 22  
 23        // Add more elements after second element
 24        
 25        iterator.add("Juliet"); // DHJ|RT
 26        iterator.add("Nina"); // DHJN|RT
 27  
 28        iterator.next(); // DHJNR|T
 29  
 30        // Remove last traversed element 
 31  
 32        iterator.remove(); // DHJN|T
 33       
 34        // Print all elements
 35  
 36        System.out.println(staff);
 37        System.out.println("Expected: [Diana, Harry, Juliet, Nina, Tom]");
 38     }
 39  }