AP Computer Science A FRQ Room

Ace the free response questions on your AP Computer Science A exam with practice FRQs graded by Kai. Choose your subject below.

Which subject are you taking?

Knowt can make mistakes. Consider checking important information.

Pick your exam

AP Computer Science A Free Response Questions

The best way to get better at FRQs is practice. Browse through dozens of practice AP Computer Science A FRQs to get ready for the big day.

  • View all (250)
  • All (250)
All

Agricultural Land Analysis

Implement a method to identify the 2x2 submatrix with the highest total crop yield in an agricultura

Hard

Airline Ticket Price Calculator

This question involves calculating airline ticket prices. You will implement methods to compute the

Easy

Ant Colony Simulation

This problem simulates the movement and pheromone updating of an ant colony on a terrain grid.

Extreme

Appliance Efficiency Analyzer

Design an appliance efficiency analyzer using inheritance. Create an abstract Appliance class with a

Medium

ArrayUtilities Class

This question involves designing an ArrayUtilities utility class for performing operations on intege

Easy

Art Exhibit

This question asks you to design an ArtExhibit class to represent an art exhibition show.

Extreme

Autonomous Vacuum Cleaner

This question involves simulating an autonomous vacuum cleaner navigating a room represented as a 2D

Medium

Bank Account

This question requires you to design a BankAccount class that models a simple bank account.

Hard

Bank Account Fee Calculator

Develop a bank account fee calculator using inheritance. Create an abstract BankAccount class with a

Hard

Bank Transaction Analyzer

Analyze bank transactions by summing deposits and withdrawals from an array of transaction amounts.

Medium

Bank Transaction Processor

This question simulates processing transactions within a bank. The TransactionProcessor class manage

Hard

Bank Transaction Summarizer

Design a Bank Transaction Summarizer to sum deposits and filter withdrawals.

Medium

Battlefield Strategy Grid

This question involves determining line-of-sight on a battlefield grid to decide if a unit can attac

Hard

Battleship Navigation

This problem involves simulating the navigation of a battleship through an ocean grid with obstacles

Hard

Bike Sharing System

This question simulates a bike-sharing system. The BikeShare class maintains a HashMap to track the

Medium

Blueprint Analyzer

Develop methods in the BlueprintAnalyzer class to rotate a blueprint 90 degrees and to check if it i

Extreme

Book Catalog Manager

Design a Book Catalog Manager to search for books by author and compute the average publication year

Easy

Book Class Design

Implement the Book class as described above.

Easy

Book Collection Organizer

This question involves managing a book collection using an ArrayList. You will implement methods to

Medium

Calendar Event Conflict Resolver

This question involves developing methods for a CalendarScheduler class that manages event schedulin

Medium

CalendarEvent

Design a CalendarEvent class that manages events scheduled by date and time.

Easy

Campus Map Building Finder

The CampusMap class represents a campus using a 2D char array where each character represents a buil

Medium

Campus Map Path Finder

This question involves analyzing a campus map represented as a 2D array. Implement methods in the Ca

Hard

Car Class Design

Implement the Car class as described above.

Medium

Car Rental Reservation Checker

Implement the sortReservationsByConfirmation and searchReservationByConfirmation methods in the Rese

Medium

Chat Message Thread Organizer

This question involves processing chat messages recorded in a forum thread. You will implement metho

Medium

Chess Board Analyzer

This EXTREME question involves analyzing a chess board represented as a 2D array. Implement methods

Extreme

City Public Library Reservation System

Implement the sortReservationsByUserId and searchReservationByUserId methods in the LibraryReservati

Easy

Coffee Shop Order

This question asks you to design a CoffeeOrder class to manage orders at a coffee shop.

Easy

Concert Ticket

This question asks you to design a ConcertTicket class to represent tickets for a concert event.

Hard

Container Shipping Scheduler

This question simulates scheduling container shipments in a logistics system. The ShippingScheduler

Extreme

Contest Ranking System

Implement the sortScoresDescending and findTopTwoScores methods in the ContestRanker class.

Medium

Course Enrollment Sorter

Develop methods to sort courses by enrollment numbers using selection sort and merge sort.

Medium

CreditCardFormatter Utility Class

Implement the CreditCardFormatter class as described below.

Hard

Crop Health Analyzer

This question requires scanning a 2D array representing a farm field's crop health indices to evalua

Medium

Cryptography Tool

This question simulates a simple cryptography tool that uses a Caesar cipher to encrypt messages. Th

Medium

Cuisine Dish Preparation Hierarchy

Design a class hierarchy for cuisine dish preparation.

Medium

Data Encryption Simulator

This question simulates a simple data encryption system using a Caesar cipher. You will implement me

Medium

DataEncryption Utility Class

Implement the DataEncryption class as described below.

Hard

DataFormatter Utility Class

Implement the DataFormatter class as described below.

Medium

Digital Art Transformer

This question involves transforming a digital art image represented as a 2D array of grayscale pixel

Hard

Digital Elevation Map Analyzer

This question involves analyzing a digital elevation map represented by a 2D array of integers. You

Extreme

Digital Library Borrowing Data

This FRQ involves analyzing borrowing data from a digital library. You will implement methods to sor

Medium

Digital Mosaic Generator

Develop methods in the DigitalMosaicGenerator class to create a mosaic effect by computing block ave

Extreme

DigitalArt: Invert Colors

This question involves designing the DigitalArt class to invert the colors of a grayscale image. Imp

Easy

E-commerce Order System

This question simulates processing customer orders in an e-commerce environment. The OrderProcessor

Medium

E-Commerce Product Sorter

Implement the sortProductsByName and searchProductByName methods in the ProductSorter class.

Medium

E-commerce Review Sorter

Implement methods to sort product reviews by rating and search for a review with a specific rating.

Medium

E-Mail Filter

Filter an ArrayList of email messages to remove those containing the keyword 'spam'.

Medium

Earthquake Intensity Map Analyzer

This question requires scanning a 2D array representing earthquake intensity readings to identify hi

Hard

ECommerceOrderTracker

Design an ECommerceOrderTracker class that manages orders and tracks their statuses.

Medium

Educational Institution Application

Design an educational institution application system using inheritance. Create an abstract Instituti

Medium

Election Ballot Organizer

This question involves organizing election ballots by sorting them with two different algorithms. Yo

Extreme

Elevator Simulation

This question simulates an elevator system. The ElevatorSystem class tracks the current floor of an

Hard

Email Management System

This question involves sorting emails by date and searching for an email by its subject. You will im

Medium

Employee Class Design

Implement the Employee class as described above.

Medium

Employee Records Search

This FRQ involves managing employee records represented as strings. You will implement methods to so

Easy

Employee Schedules Organizer

Implement the sortShifts and searchShift methods in the EmployeeSchedule class.

Easy

EncryptionHelper Class

This question involves designing an EncryptionHelper utility class that performs simple Caesar ciphe

Medium

EnergyConsumption

Design an EnergyConsumption class that records daily energy usage and computes consumption statistic

Medium

Environmental Sensor Data Analyzer

Implement the sortReadings and findFirstOutlier methods in the SensorDataAnalyzer class.

Medium

Event Registration System

This FRQ focuses on managing event registration data. You will implement methods to sort participant

Easy

Event Scheduler

This question involves designing an EventScheduler class to manage and organize events on a timeline

Medium

Event Scheduling System

This question involves creating an EventScheduler class that manages event times stored in a sorted

Medium

Event Seating Analyzer

Implement a method to count horizontal contiguous sequences of empty seats in an event seating chart

Easy

EventTicketing

Design an EventTicketing class that manages events and tracks ticket sales.

Hard

Farm Field Irrigation

This question involves managing a farm field's moisture levels represented as a 2D array. Implement

Hard

FileProcessor Utility Class

Implement the FileProcessor class as described below.

Medium

FileStatistics Class

This question involves designing a FileStatistics utility class for computing statistical informatio

Medium

Financial Transaction Processor

Implement the sortTransactionsById and searchTransactionById methods in the TransactionProcessor cla

Extreme

Fitness Tracker

This question involves designing a FitnessTracker class to record and analyze workout sessions.

Medium

Fitness Tracker

This question asks you to design a FitnessTracker class to represent the data collected by a wearabl

Hard

Fitness Tracker Data

Create a Fitness Tracker Data analyzer to compute minimum steps and summary statistics.

Easy

Fitness Tracker Data Analysis

This question simulates analyzing daily step count data from a fitness tracker. The FitnessTracker c

Easy

FitnessTracker

Design a FitnessTracker class that logs workout sessions and provides summary statistics.

Easy

Flight Booking System

Implement the sortBookingsByDeparture and searchBookingByFlightNumber methods in the FlightBookingSy

Hard

Flight Reservation System

This question involves designing a FlightReservation class to manage seat bookings, cancellations, a

Extreme

Flight Seating Planner

This question involves planning seating on a flight, using a 2D array to represent seat availability

Medium

Floor Plan Transformer

Develop methods in the FloorPlanEditor class to rotate a floor plan 90 degrees and mirror it horizon

Extreme

Forest Fire Simulation

This problem simulates the spread of a forest fire in a 2D grid representing a forest.

Medium

Forest Fire Simulator

Implement methods to analyze forest fire spread using a grid. Identify contiguous fire clusters and

Medium

GameBoardMirror: Invert Puzzle Board

This question involves designing the GameBoard class for a sliding puzzle game. Implement the mirror

Medium

Gaming Leaderboard Management

This FRQ involves managing a gaming leaderboard. You will implement methods to sort player scores in

Extreme

Garden Layout Analyzer

This question requires scanning a 2D array representing a garden to analyze plant distribution patte

Hard

Garden Plant Height Analysis

The GardenAnalyzer class manages a 2D array representing the heights of plants in a garden. Implemen

Medium

Garden Plot Watering Scheduler

This question involves managing a garden plot represented as a 2D array. Implement methods in the Ga

Medium

Gardening Tool Hierarchy

Design a class hierarchy for gardening tools.

Medium

GeometryHelper Utility Class

Implement the GeometryHelper class as described below.

Medium

GeometryUtil Class

This question involves designing a GeometryUtil utility class that calculates areas of common geomet

Easy

GPS Navigation Assistant

This question simulates a GPS navigation assistant. The NavigationSystem class computes distances be

Hard

GradeBook

Design a GradeBook class that maintains student scores and computes averages and letter grades.

Hard

Grayscale Image Edge Finder

This question requires scanning a 2D array representing a grayscale image to detect edge pixels base

Hard

Grid Explorer Simulation

This problem simulates an explorer navigating an island grid with treasures, obstacles, and varied t

Medium

Heat Map Cluster Detector

Implement methods to analyze a heat map grid. Determine if a cell is hot and compute the largest con

Medium

Hospital Floor Navigator

This question involves navigating the complex layout of a hospital floor represented as a 2D grid. Y

Hard

Hospital Patient Record Management

This FRQ involves processing patient waiting times in a hospital. You will implement methods to sort

Hard

HospitalPatient Class Design

Implement the HospitalPatient class as described above.

Extreme

House Listing

This question asks you to design a House class to model real estate listings.

Medium

Image Flipper

Develop methods in the ImageEditor class to flip an image horizontally and vertically.

Medium

ImageRotator: 90-Degree Clockwise Rotation

This question involves designing an ImageRotator class that rotates a 2D array representing an image

Medium

Inventory Item

This question asks you to design an InventoryItem class to represent an item in a store's inventory.

Extreme

Inventory Management System

Manage an inventory by removing expired items and computing the total value of the remaining stock.

Medium

Inventory Management System

This question involves developing methods for an InventoryManager class to manage a retail store's i

Hard

Inventory Manager

This question involves designing an InventoryManager class for managing stock levels in a retail set

Medium

Labyrinth Diagonal Pathfinder

This question focuses on diagonal traversal of a 2D array representing a labyrinth. Implement method

Medium

Leaderboard Manager

Design a Leaderboard class that dynamically manages player scores and rankings.

Medium

Library Book Management

This FRQ focuses on managing a collection of library books. You will implement methods to sort books

Medium

Library Book Manager

This question simulates a library book manager that handles book search functionality. You will comp

Medium

Library Book Search

This question focuses on designing a Library class that stores Book objects. You will implement a me

Easy

Library Book Sorter

Implement two methods to sort library books by title using Bubble Sort and Insertion Sort.

Easy

Library Catalog

This question involves designing a LibraryCatalog class to manage a collection of books in a library

Easy

Library Floor Navigation

In this question, you will analyze a library floor plan represented as a 2D array. Implement methods

Medium

Library Item Management

Design a library item management system using inheritance. Create an abstract LibraryItem class with

Easy

Library Loan Duration Analyzer

Create a Library Loan Duration Analyzer to remove overdue loans and compute the average loan duratio

Hard

Library Navigation Assistant

This question involves assisting with navigating a library, whose layout is represented as a 2D grid

Medium

LibraryCard Class Design

Implement the LibraryCard class as described above.

Medium

LibrarySystem

Design a LibrarySystem class that manages book inventory and tracks book lending.

Extreme

Local Event Scheduler

This question involves implementing an EventScheduler class to manage community events by adding and

Hard

Logistics Delivery Routing

This question involves optimizing logistics delivery routes. You will implement methods to sort deli

Hard

MathUtilities Utility Class

Implement the MathUtilities class as described below.

Medium

MatrixOperations Class

This question involves designing a MatrixOperations utility class for performing matrix multiplicati

Extreme

MatrixOperations Utility Class

Implement the MatrixOperations class as described below.

Extreme

Maze Navigator

The MazeNavigator class manages a maze represented as a 2D char array, where '#' represents a wall a

Extreme

Maze Navigator

Implement a method to determine if a path exists through a maze represented as a 2D grid of open ('0

Hard

Maze Solver

This question involves designing a MazeSolver class that finds a path through a maze represented by

Hard

Medical Image Processor

Design methods for processing medical images by enhancing contrast and detecting anomalies.

Extreme

MedicalImage: Contrast Enhancement

This question involves designing the MedicalImage class to perform contrast enhancement on a graysca

Hard

MosaicMaker: Pixelation Effect

This question involves designing the MosaicMaker class to create a pixelated version of an image. Im

Medium

Movie Class Design

Implement the Movie class as described above.

Easy

Movie Ratings Analyzer

Compute the average rating from an ArrayList of movie ratings.

Easy

Movie Recommendation Engine

This question simulates a movie recommendation system. The MovieRecommender class stores movie title

Hard

Movie Ticket Sorter

Develop methods to sort movie showings by start time using selection sort and merge sort.

Medium

Museum Security Patrol

This problem simulates a museum guard’s patrol through a grid representing a museum layout.

Medium

Music Playlist Duration Analyzer

Develop a Music Playlist Duration Analyzer to filter short tracks and compute total duration.

Easy

Music Playlist Manager

This question involves managing a music playlist that is maintained in a sorted order based on song

Medium

Music Playlist Organizer

Implement the sortPlaylistAlphabetically and searchSongByTitle methods in the PlaylistOrganizer clas

Medium

Music Playlist Simulator

This question involves developing a method to simulate a music playlist using an ArrayList. You will

Easy

MusicPlaylist

Design a MusicPlaylist class that manages a playlist of songs with basic playback controls.

Easy

MusicTrack Class Design

Implement the MusicTrack class as described above.

Medium

Ocean Floor Depth Mapping

The DepthMapper class records ocean floor depths in a 2D double array. Implement methods to determin

Hard

Ocean Pollution Detector

Analyze a 2D ocean pollution map to detect and segment polluted clusters.

Extreme

Office Layout Navigation

This problem simulates an employee navigating through an office layout grid to find the exit.

Easy

Office Temperature Monitor

Implement a method to detect potential hot zones in an office by scanning for 2x2 submatrices where

Hard

Online Course Enrollment

This FRQ deals with managing course enrollment numbers for online classes. You will implement method

Easy

Online Review Analyzer

Design an Online Review Analyzer to filter positive reviews and compute the average rating.

Easy

Online Store Feedback Analyzer

Develop an Online Store Feedback Analyzer to filter valid feedback and compute the median rating.

Easy

Online Survey Analyzer

This question involves analyzing online survey responses. You will implement methods to compute the

Easy

Order Processor

This question involves designing an OrderProcessor class to manage online orders and calculate total

Hard

PacMan Maze Simulation

This question involves simulating a PacMan maze where both PacMan and ghosts move through a 2D grid.

Extreme

Park Ranger's Patrol

This problem simulates a park ranger patrolling a park grid to monitor potential hazards.

Hard

Parking Garage Levels Analysis

The ParkingGarage class models a multi-level parking structure using a 2D array, where each row repr

Extreme

Parking Lot Grid Management

The ParkingLot class models a parking lot using a 2D boolean array where true indicates an occupied

Easy

Parking Lot Occupancy Detector

This question requires scanning a 2D array representing a parking lot to count empty parking spaces.

Easy

Parking Lot Occupancy Tracker

This question involves determining occupancy information for a parking lot represented as a 2D array

Easy

ParkingLotManager

Design a ParkingLotManager class that tracks parked cars and available parking spots.

Easy

PasswordGenerator Utility Class

Implement the PasswordGenerator class as described below.

Extreme

PasswordValidator Utility Class

Implement the PasswordValidator class as described below.

Hard

Personal Finance Calculator

This question involves implementing a FinanceCalculator class to compute monthly interest and cumula

Hard

PixelArt: Color Quantization

This question involves designing the PixelArt class to perform color quantization on an image. Imple

Hard

Planet Surface Rover Simulator

This question involves simulating a rover navigating the surface of a planet represented as a 2D gri

Extreme

PolynomialEvaluator Utility Class

Implement the PolynomialEvaluator class as described below.

Extreme

Product Inventory System

This FRQ simulates a product inventory system. You will implement methods to sort an ArrayList of pr

Medium

Product Pricing Sorter

This question involves sorting product objects by price using two distinct sorting algorithms: selec

Medium

Product Review Analyzer

This question involves analyzing product reviews by sorting them based on ratings. You will complete

Medium

Public Transportation Scheduler

This question requires you to write methods to compute bus wait times for public transportation. You

Medium

QR Code Processor

Implement methods for processing QR code images by reducing noise and flipping the code vertically.

Medium

Race Times Analysis

This FRQ involves analyzing race times stored in an ArrayList. You will implement methods to sort ra

Medium

Race Timing Analyzer

Determine the fastest race time from an array of finish times.

Easy

Rainfall Data Processing

This question deals with processing a 2D array of rainfall data. The RainfallAnalyzer class stores r

Medium

Real Estate Listings

This FRQ simulates a real estate listings management system. You will implement methods to sort list

Hard

Recipe Scaler

This question involves implementing the RecipeScaler class with a method that scales ingredient meas

Easy

Reservation System

This question involves designing a ReservationSystem class to manage seat reservations for a venue.

Medium

Restaurant Order Processor

This question involves processing restaurant orders by computing the total cost of items in an order

Easy

Restaurant Table Reservation Grid

The ReservationSystem class uses a 2D boolean array to represent table reservations in a restaurant,

Easy

Retail Product Pricing

Design a retail product pricing system using inheritance. Create an abstract Product class with an a

Hard

Retail Sales Analyzer

Develop a Retail Sales Analyzer to filter low sales and compute sales statistics.

Easy

Retail Store Sales Matrix Analysis

The SalesAnalyzer class manages sales data in a retail store using a 2D integer array, where each ro

Extreme

Robot Controller

This question involves designing a RobotController class to simulate a robot navigating a grid-based

Medium

Robot Vacuum Floor Scanner

This question requires scanning a 2D array representing a home floor plan to simulate a robot vacuum

Medium

Room Temperature Monitor

This question involves analyzing room temperature data stored in a 2D array. Implement methods in th

Easy

Sea Temperature Analyzer

This question requires scanning a 2D float array representing sea surface temperatures to locate a h

Medium

Security Camera Image Analyzer

Implement the autoEnhance method in the SecurityCameraProcessor class to adjust brightness and contr

Medium

Sensor Data Filter

Filter sensor readings by removing values below a specified threshold.

Medium

Sensor Data Noise Filter

This question involves developing methods for a SensorFilter class to remove noise from sensor data.

Medium

Shape Area Calculator

Develop a shape hierarchy using inheritance. Create an abstract Shape class with an abstract method

Medium

Smart Device Hierarchy

Design a class hierarchy for smart devices.

Hard

Smart Home Energy Monitor

This question involves designing an EnergyMonitor class that processes smart home energy usage data

Medium

Smart Home Sensor Data Manager

This question involves managing sensor data in a smart home system. You will implement methods to so

Hard

Soccer Field Tactics Simulator

This question involves determining if a clear path exists between two points on a soccer field repre

Easy

Social Media Analytics

This FRQ centers on social media post analytics. You will implement methods to sort post 'like' coun

Medium

Social Media Feed Analyzer

This question involves developing a SocialMediaFeedAnalyzer class that processes an array of like co

Hard

Social Media Friend Search

Design search methods to find user profiles by username using linear and binary search.

Easy

Social Media Post

This question asks you to design a SocialMediaPost class to represent posts on a social media platfo

Extreme

Social Media Post Analyzer

This question examines the analysis of social media posts for specific hashtags. The PostAnalyzer cl

Easy

Social Media Post Analyzer

Determine the index of the most liked social media post from an array of like counts.

Easy

Social Media Post Scheduler

This question involves designing a PostScheduler class to manage the scheduling of social media post

Medium

Social Media Post Sorter

This question involves managing social media posts by sorting them based on the number of likes. You

Hard

Social Media Post Summaries

Design a social media content system using inheritance. Create an abstract Post class with an abstra

Easy

Sports Team Player Evaluation

Develop a sports team player evaluation system using inheritance. Create an abstract Player class wi

Hard

SportsTeam Class Design

Implement the SportsTeam class as described above.

Hard

Spreadsheet Data Analyzer

This question analyzes a 2D array representing spreadsheet data. The SpreadsheetAnalyzer class store

Medium

Stock Market Analyzer

This question involves designing a MarketAnalyzer class that processes daily stock prices and uses s

Extreme

StringAnalyzer Class

This question involves designing a StringAnalyzer utility class that performs various string manipul

Easy

StringManipulator Utility Class

Implement the StringManipulator class as described below.

Medium

Student Grade Processor

Develop a Student Grade Processor to filter passing grades and compute the median grade.

Hard

Student Records Processor

This question simulates processing student records using two different search methods: linear search

Hard

Student Scores Analyzer

Implement the methods in the StudentScoreAnalyzer class.

Hard

Student Search Database

Implement linear and binary search methods to locate a student record by ID in a database.

Medium

Sudoku Validator

This question requires you to validate rows and columns in a Sudoku board represented as a 2D array.

Hard

Survey Data Processor

Analyze survey responses by computing frequency distribution and determining the most common respons

Extreme

TaskManager

Design a TaskManager class that tracks tasks and their completion status for project management.

Medium

TeamStats

Implement methods to sort sports teams by their win-loss records and search for a team by name.

Extreme

Temperature Data Analyzer

Develop a Temperature Data Analyzer that manipulates an array of temperature readings.

Medium

Temperature Grid Analysis

This question involves analyzing a 2D array of temperature readings from various sensors. Complete t

Easy

Terrain Elevation Map

This question involves analyzing a terrain elevation map stored as a 2D array. Implement methods in

Hard

Terrain Map Editor

Implement methods to process a terrain map represented as a 2D array by flipping it vertically and s

Hard

Ticket Booking System

This question simulates a seat booking system for events. The TicketBooking class manages a two-dime

Hard

TimeConverter Utility Class

Implement the TimeConverter class as described below.

Easy

Tissue Culture Growth Simulation

This problem involves simulating the growth of tissue culture on a grid over time.

Hard

Traffic Accident Analyzer

This question involves implementing an AccidentAnalyzer class to process accident reports and comput

Hard

Traffic Congestion Hotspot

Detect traffic congestion hotspots in a city grid by analyzing submatrix averages.

Extreme

Traffic Data Processor

Process hourly vehicle counts by identifying the peak hour and calculating the average count.

Hard

Traffic Density Analyzer

Develop a Traffic Density Analyzer to process vehicle counts and compute average traffic at intersec

Hard

Traffic Flow Analyzer

This question involves developing a TrafficFlowAnalyzer class to evaluate traffic data collected by

Medium

Traffic Flow Analyzer

This FRQ involves analyzing traffic data by managing vehicle count numbers. You will implement metho

Hard

Traffic Grid Simulator

This problem involves developing a simulation for vehicle movement within a city traffic grid.

Extreme

Traffic Light Simulator

Adjust traffic light timings by adding bonus seconds to those below a given threshold.

Medium

Traffic Pattern Analyzer

Implement methods to process a traffic video frame by flipping it horizontally and detecting traffic

Hard

TrainTicket Class Design

Implement the TrainTicket class as described above.

Medium

Transportation Ticket Pricing Hierarchy

Design a class hierarchy for transportation tickets.

Easy

Transportation Ticketing System

Design a ticketing system using inheritance. Create an abstract Ticket class with an abstract method

Easy

Travel Itinerary

This question asks you to design a TravelItinerary class to represent a planned travel schedule.

Extreme

Underwater Volcano Detector

This question requires scanning a 2D array representing ocean floor elevation to identify volcano pe

Extreme

UnitConverter Utility Class

Implement the UnitConverter class as described below.

Easy

University Course

This question asks you to design a UniversityCourse class to represent a course offered at a univers

Medium

UrbanPlanner: Map Rotation and Reflection

This multi-part question involves designing the UrbanPlanner class to manipulate a city map represen

Extreme

Vehicle Hierarchy

Design a class hierarchy for vehicles.

Medium

Vehicle Hierarchy System

Design a vehicle hierarchy using inheritance and polymorphism. Create an abstract Vehicle class and

Medium

VideoGame Class Design

Implement the VideoGame class as described above.

Hard

Virtual Garden Planner

This question involves developing a method for a Virtual Garden Planner to select plants based on th

Easy

Warehouse Inventory Manager

Develop a Warehouse Inventory Manager to remove out-of-stock items and compute the average stock lev

Medium

Warehouse Pallet Organizer

Develop methods to organize and sort warehouse pallets by weight using selection sort and merge sort

Extreme

Weather Data Analysis

This FRQ focuses on using an ArrayList of temperature readings. You will implement methods to sort t

Medium

Weather Data Analysis

This question involves analyzing weather temperature data using sliding window techniques. You will

Hard

Weather Data Analyzer

Implement methods to process weather station data by sorting stations by temperature and searching f

Hard

Weather Data Analyzer

This question involves analyzing weather temperature data. You are to implement methods to compute t

Hard

Weather Data Analyzer

This question simulates analyzing daily weather data. The WeatherAnalyzer class processes an array o

Medium

Weather Forecast Hierarchy

Design a class hierarchy for weather forecasts.

Hard

Weather Station Data Processor

This question requires you to process temperature data from a weather station using arrays. You will

Medium

WeatherReport Class Design

Implement the WeatherReport class as described above.

Medium

Trusted by millions

Everyone is relying on Knowt, and we never let them down.

3M +Student & teacher users
5M +Study notes created
10M + Flashcards sets created
Victoria Buendia-Serrano
Victoria Buendia-SerranoCollege freshman
Knowt’s quiz and spaced repetition features have been a lifesaver. I’m going to Columbia now and studying with Knowt helped me get there!
Val
ValCollege sophomore
Knowt has been a lifesaver! The learn features in flashcards let me find time and make studying a little more digestible.
Sam Loos
Sam Loos12th grade
I used Knowt to study for my APUSH midterm and it saved my butt! The import from Quizlet feature helped a ton too. Slayed that test with an A!! 😻😻😻

Need to review before working on AP Computer Science A FRQs?

We have over 5 million resources across various exams, and subjects to refer to at any point.

Tips from Former AP Students

FAQWe thought you might have some questions...
Where can I find practice free response questions for the AP Computer Science A exam?
The free response section of each AP exam varies slightly, so you’ll definitely want to practice that before stepping into that exam room. Here are some free places to find practice FRQs :
  • Of course, make sure to run through College Board's past FRQ questions!
  • Once you’re done with those go through all the questions in the AP Computer Science AFree Response Room. You can answer the question and have it grade you against the rubric so you know exactly where to improve.
  • Reddit it also a great place to find AP free response questions that other students may have access to.
How do I practice for AP AP Computer Science A Exam FRQs?
Once you’re done reviewing your study guides, find and bookmark all the free response questions you can find. The question above has some good places to look! while you’re going through them, simulate exam conditions by setting a timer that matches the time allowed on the actual exam. Time management is going to help you answer the FRQs on the real exam concisely when you’re in that time crunch.
What are some tips for AP Computer Science A free response questions?
Before you start writing out your response, take a few minutes to outline the key points you want to make sure to touch on. This may seem like a waste of time, but it’s very helpful in making sure your response effectively addresses all the parts of the question. Once you do your practice free response questions, compare them to scoring guidelines and sample responses to identify areas for improvement. When you do the free response practice on the AP Computer Science A Free Response Room, there’s an option to let it grade your response against the rubric and tell you exactly what you need to study more.
How do I answer AP Computer Science A free-response questions?
Answering AP Computer Science A free response questions the right way is all about practice! As you go through the AP AP Computer Science A Free Response Room, treat it like a real exam and approach it this way so you stay calm during the actual exam. When you first see the question, take some time to process exactly what it’s asking. Make sure to also read through all the sub-parts in the question and re-read the main prompt, making sure to circle and underline any key information. This will help you allocate your time properly and also make sure you are hitting all the parts of the question. Before you answer each question, note down the key points you want to hit and evidence you want to use (where applicable). Once you have the skeleton of your response, writing it out will be quick, plus you won’t make any silly mistake in a rush and forget something important.