apcs-practice-template

File and Scanner classes, wrapper classes, and autoboxing Resources

Wrapper class:

• https://runestone.academy/ns/books/published/csawesome2/topic-4-7-wrapper-classes.html
• https://www.apcsexamprep.com/pages/ap-csa-wrapper-classes?srsltid=AfmBOoovX1hfFfBV2iEe-bDV1jStVI4qStmK-LYIKOsUahu1Kp_e_3yY

File I/O:

• https://www.apcsexamprep.com/pages/ap-csa-file-scanner-io
• https://runestone.academy/ns/books/published/csawesome2/topic-4-6-input-files.html

Casting and type conversion:

• https://www.apcsexamprep.com/pages/ap-csa-casting-type-conversion

FRQ practice #4 SumOrSameGame:

• https://apcentral.collegeboard.org/media/pdf/ap25-frq-computer-science-a.pdf
• https://www.apcsexamprep.com/pages/ap-csa-2025-frq-4-sumorsame

additional resources

• https://runestone.academy/ns/books/published/csawesome2/csawesome2.html

ConcurrentModificationException

Runtime exception that may be thrown by methods that have detected concurrent modification of an object when such modification is not permissible. (good to knows: fail-safe and fail-fast iterators)