<zk>
	<textbox id="tb" width="500px"/>
	<zscript>
		System.out.println(tb.getTabindex());
		System.out.println(tb.getTabindexInteger());
	</zscript>
</zk>

	public int getTabindex() {
		return _auxinf != null ? _auxinf.tabindex : 0;
	}


could be changed to:


	public int getTabindex() {
		return (_auxinf != null && _auxinf.tabindex != null) ? _auxinf.tabindex : 0;
	}