public class RecentlyUsedList - Jfokus

public class RecentlyUsedList
{
public boolean isEmpty()
{
return list.isEmpty();
}
public int size()
{
return list.size();
}
public void add(String newItem)
{
list.remove(newItem);
list.add(0, newItem);
}
public void clear()
{
list.clear();
}
private List list = new ArrayList();
}
RecentlyUsedList list = new RecentlyUsedList();
list.add("Hello, World!");
assert list.size() == 1;
list.clear();
assert list.isEmpty();