import javabook.*;

class CharList
{
	private CharNode		head;

    public CharList()
    {
		head = null;
    }

	public void insert( char ch )
	{
		CharNode node = new CharNode( ch );
		node.next = head;
		head = node;
	}

	public void print()
	{
		CharNode current = head;
		while( current != null )
		{
			System.out.print( current.data );
			current = current.next;
		}
	}

	public void recPrint()
	{
		printTail( head );
	}

	public void printTail( CharNode node )
	{
		if( node != null )
		{
			System.out.print( node.data );
			printTail( node.next );
		}
	}
}