---
title: "AP Cram Sessions 2021 | AP Computer Science A  Review"
description: "Review AP Computer Science A AP Cram Sessions 2021 with study guides for the AP exam."
canonical: "https://fiveable.me/ap-comp-sci-a/ap-cram-sessions-2021"
type: "unit"
subject: "AP Computer Science A"
unit: "AP Cram Sessions 2021"
---

# AP Cram Sessions 2021 | AP Computer Science A  Review

## Overview

AP Computer Science A focuses on programming in Java. The current course covers objects and methods, selection and iteration, class creation, arrays, ArrayLists, 2D arrays, text files, recursion, searching, sorting, and informal code analysis. Students learn to write, analyze, and debug programs while developing problem-solving skills.

The AP exam tests students' knowledge through multiple-choice questions and free-response coding problems. Success requires a solid understanding of Java syntax, OOP principles, and efficient coding practices. Practice with past exam questions and online coding platforms is essential for exam preparation.

## More Ways To Review

- [FRQ practice](/ap-comp-sci-a/frq-practice)
- [Cheatsheets](/ap-comp-sci-a/cheatsheets/ap-cram-sessions-2021)