The problem is the bug catch creep growing around DataInput and mathematical operations.

I think it would really help to have a language, that differs between the original methods raw body (displaying the pure intentions) and blends out the various filters and catchy expeption handling.

Such a function with catchy names, could be allmost as good as a coment- and is usually there. Coments can be useless too /* Function taking these arguments, returning this type */