Use an Iterator to cycle through a collection in the forward direction. : Iterator « Collections « Java Tutorial

1. Java Tutorial
2. Collections
3. Iterator

// Use a ListIterator to cycle through a collection in the reverse direction.

import java.util.Iterator;
import java.util.LinkedList;
import java.util.ListIterator;

class Employee {
  String name;
  String number;

  Employee(String n, String num) {
    name = n;
    number = num;
  }
}

public class Main {

  public static void main(String args[]) {
    LinkedList<Employee> phonelist = new LinkedList<Employee>();

    phonelist.add(new Employee("A", "1"));
    phonelist.add(new Employee("B", "2"));
    phonelist.add(new Employee("C", "3"));

    Iterator<Employee> itr = phonelist.iterator();

    Employee pe;
    while (itr.hasNext()) {
      pe = itr.next();
      System.out.println(pe.name + ": " + pe.number);
    }
    ListIterator<Employee> litr = phonelist.listIterator(phonelist.size());

    while (litr.hasPrevious()) {
      pe = litr.previous();
      System.out.println(pe.name + ": " + pe.number);
    }
  }
}