/*
This program is a part of the companion code for Core Java 8th ed.
(http://horstmann.com/corejava)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see .
*/
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.ListIterator;
/**
* This program demonstrates operations on linked lists.
* @version 1.10 2004-08-02
* @author Cay Horstmann
*/
public class LinkedListTest
{
public static void main(String[] args)
{
List a = new LinkedList();
a.add("Amy");
a.add("Carl");
a.add("Erica");
List b = new LinkedList();
b.add("Bob");
b.add("Doug");
b.add("Frances");
b.add("Gloria");
// merge the words from b into a
ListIterator aIter = a.listIterator();
Iterator bIter = b.iterator();
while (bIter.hasNext())
{
if (aIter.hasNext()) aIter.next();
aIter.add(bIter.next());
}
System.out.println(a);
// remove every second word from b
bIter = b.iterator();
while (bIter.hasNext())
{
bIter.next(); // skip one element
if (bIter.hasNext())
{
bIter.next(); // skip next element
bIter.remove(); // remove that element
}
}
System.out.println(b);
// bulk operation: remove all words in b from a
a.removeAll(b);
System.out.println(a);
}
}