import java.util.Iterator;


public class TokenIter implements Iterator<String>{

	//input line to be tokenized
	private String line;

	// the next Token, null if no next Token
	private String nextToken;

	public TokenIter(String line){
		this.line = line;
	}

	@Override
	public boolean hasNext() {
		// TODO Auto-generated method stub
	    return false;
	}

	@Override
	public String next() {
		// TODO Auto-generated method stub
		return "";
	}

	@Override
	public void remove() {
		// TODO Auto-generated method stub
		throw new UnsupportedOperationException();
	}

	public static void main(String[] args){
		String line;
		args = Debug.init(args);
		if(args.length>0)
			line = args[0];
		else
			line = " not (true or error false) @# $% ";
		System.out.println("line: [" + line + "]");
		TokenIter tokIt = new TokenIter(line);
		while(tokIt.hasNext())
			System.out.println("next token: [" + tokIt.next() + "]");
	}
}