Subversion Repositories programming

	public void printLevelOrder( PrintStream ps ) {

		Queue q = new Queue();

		q.enqueue(this); //add the root

		while( !q.isEmpty() ) {

 			//remove the first item in the queue

			UnorderedTree temp = (UnorderedTree)q.dequeue();

			ps.print(temp.root + " "); //visit the node

			//add all the children of temp to the queue

			for( Iterator it=temp.subtrees.iterator(); it.hasNext(); ) {

				q.enqueue( it.next() );

			}

		}

		ps.println(); //end the current line

	}