MovingPlanets.java Source code

Introduction

Here is the source code for MovingPlanets.java

Source

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;

public class MovingPlanets {
    public static void main(String args[]) {
        String names[] = { "Mercury", "Venus", "Earth", "Mars", "Jupiter", "Saturn", "Uranus", "Neptune", "Pluto" };
        List planets = new ArrayList();
        for (int i = 0, n = names.length; i < n; i++) {
            planets.add(names[i]);
        }
        ListIterator lit = planets.listIterator();
        String s;
        lit.next();
        lit.next();
        s = (String) lit.next();
        lit.remove();
        lit.next();
        lit.next();
        lit.next();
        lit.add(s);
        lit.next(); // Gets back just added
        lit.previous();
        lit.previous();
        s = (String) lit.previous();
        lit.remove();
        lit.next();
        lit.next();
        lit.add(s);
        Iterator it = planets.iterator();
        while (it.hasNext()) {
            System.out.println(it.next());
        }
    }
}