Welcome!
The College Board's AP Computer Science A course is an outstanding curriculum, and a great place to start learning about programming.
This website has materials to help you along the way. Whether you are learning AP Computer Science A at school, through an online course, or on your own at home, you'll find information here to help you in your studies.
Especially useful is a daily, multiple-choice practice problem posted here each weekday, Monday through Friday. Subscribe to the RSS feed to be notified each day when a new problem appears.
Good luck in your study of AP Computer Science!