AP Students: https://apstudent.collegeboard.org/apcourse/ap-computer-science-a
AP Central: https://apcentral.collegeboard.org/courses/ap-computer-science-a?course=ap-computer-science-a
Course description: https://secure-media.collegeboard.org/digitalServices/pdf/ap/ap-computer-science-a-course-description.pdf
Java subset: https://secure-media.collegeboard.org/digitalServices/pdf/ap/ap-computer-science-a-java-subset.pdf
Lab exercises: https://apstudent.collegeboard.org/apcourse/ap-computer-science-a/course-details/lab-requirements
Exam practice: https://apstudent.collegeboard.org/apcourse/ap-computer-science-a/exam-practice
Exam tips: https://apstudent.collegeboard.org/apcourse/ap-computer-science-a/exam-tips
Barron's AP Computer Science textbook: http://www.mrpudaloff.com/uploads/1/4/0/1/14010214/barrons_ap_computer_science_2008-2009_1.pdf
Java Quick Reference: https://apcentral.collegeboard.org/pdf/ap-computer-science-a-2014-java-quick-reference.pdf
More detailed documentation:
Object: https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html
Integer: https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html
Double: https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html
String: https://docs.oracle.com/javase/8/docs/api/java/lang/String.html
Math: https://docs.oracle.com/javase/8/docs/api/java/lang/Math.html
List: https://docs.oracle.com/javase/8/docs/api/java/util/List.html
ArrayList: https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html
Index: https://docs.oracle.com/javase/tutorial/, not necessarily that you need them for AP CS-1 course, but you may read them for fun!
Introduction to Java: https://docs.oracle.com/javase/tutorial/getStarted/index.html
The Language: https://docs.oracle.com/javase/tutorial/java/nutsandbolts/index.html https://docs.oracle.com/javase/tutorial/java/index.html
Not covered, but nice to know Java Collections: https://docs.oracle.com/javase/tutorial/collections/index.html
All lectures (time-stamped) can be find under https://github.com/makeableclub/ap-cs-a/tree/master/classes/lecture
Also check your homework assignment (time-stamped) under https://github.com/makeableclub/ap-cs-a/tree/master/classes/homework
Class notes or diagrams: https://drive.google.com/drive/folders/1Y0oT6hFJhzLiMcV8zsSQpfKYnOokPDwh?usp=sharing