O'Reilly logo

Head First Servlets and JSP, 2nd Edition by Bert Bates, Bryan Basham, Kathy Sierra

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

You still have to know about Classic tag handlers

image with no caption

You might get lucky. Maybe the place you work is starting out with JSP 2.0, and can use Tag Files and SimpleTag handlers from the start.

That could happen.

But it probably won’t. Chances are, you’re working (or will work in the future) somewhere that’s been using JSPs since the pre-2.0 days, using the Classic tag model for writing custom tag handlers.

You probably need to at least be able to read the source code for a Classic tag handler. You might be called on to maintain or refactor a Classic tag handler class.

But even if you don’t ever have to read or write a Classic tag handler, they’re still covered (very lightly) by one of the exam objectives. Be grateful—on the previous version of the exam you might have seen at least seven or eight Classic tag handler questions on the exam. Today, exam candidates will see only a couple of questions on Classic tag handlers.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required