import html.*;
class HtmlExample {
    public static void main(String argv[]) {
	Tag html = new Tag("html");
	Tag body = new Tag("body");
       
	// a simple header
	Tag head = new Tag("head");
	Tag title = new Tag("title");
	title.add("HTML generator example");
	head.add(title);
	body.add(head);
	// add h1 title
	Tag h1 = new Tag("h1");
	h1.add("HTML Generator demo");
	body.add(h1);
	// creat a table
	Tag table = 
	    new Tag("table", "border=1 cellpadding=0 cellspacing=0");
	body.add(table); // table is not finished yet!
	// create two rows with five columns each
	Tag row1 = new Tag("tr");
	Tag row2 = new Tag("tr");
	for (int j = 0; j < 5; j++) {
	    // create new cell tag
	    Tag cell = new Tag("td");
	    // fill in content
	    cell.add(Integer.toString(j));
	    // add cell (same object) to row1 and row2
	    row1.add(cell);
	    row2.add(cell);
	}
	// rows can be added later
	table.add(row1);
	table.add(row2);
	
	// now replace cell 4 in row 2
	// first, create new cell with its content
	Tag cell = new Tag("td");
	cell.add("*");
	// overwrite old content
	row2.set(3, cell); // we can use any method from java.util.List
	
	// add line break (no closing tag) after table
	body.add(new Tag("br", false));
	// simple string
	body.add("End of Example");
	// add title again at bottom - re-use h1 object
	body.add(h1);
	html.add(body); // no header here
	System.out.println(html);
    }
}