CodeHS Unit 2 Quiz and Flashcards for Answers

Questions and Answers

What is the primary function of the Welcome Program?

To print the user's name. (correct)

To output current year.

To answer user questions.

To display ASCII art.

What does the ASCII Art program display?

A pattern

A cat

A dog

A shape (correct)

What integer value does the Variables program assign to currYear?

2023

What does the Answering Questions program ask the user?

All of the above Signup and view all the answers

In the Poetry program, what can the user do?

Write a poem Signup and view all the answers

What is calculated in the Area of a Rectangle program?

Area Signup and view all the answers

What must the user input in the Add Fractions program?

Numerators and denominators Signup and view all the answers

What happens to the double value in Casting to Int program?

It gets cast to an int Signup and view all the answers

What type of value does the Casting to Double program output?

A double Signup and view all the answers

In the Movie Ratings program, the movie rating is rounded to the nearest ___

int Signup and view all the answers

The Ice Cream program prints whether the user likes ice cream.

True Signup and view all the answers

What determines if someone can ride in the Roller Coaster program?

Tall enough and old enough Signup and view all the answers

In the Triple Double program, the user is asked for points, rebounds, and ___

assists Signup and view all the answers

Study Notes

Welcome Program

Introduces a simple class Welcome that extends ConsoleProgram.
Outputs personal information using System.out.println().

ASCII Art

Class Art illustrates basic ASCII art creation features.
Utilizes System.out.println() for visual text representation.

Our First Integer

Variables class demonstrates integer usage with int currYear = 2023;.
Displays the current year in the console.

Answering Questions

Variables class showcases multiple variable types: String, int, double, and boolean.
Outputs a best friend's name, a lucky number, room square footage, and ballet participation status.

About You

Class AboutYou collects user input for favorite food, color, and movie through readLine().
Displays collected input on the console.

Poetry

Class Poetry combines static text printing with user-generated content.
Prompts user to write a poem and then displays it.

Area of a Rectangle

Area class prompts for rectangle dimensions using readDouble().
Calculates and displays the area of the rectangle in square units.

Add Fractions

Class AddFractions helps compute the sum of two fractions.
Uses user input for numerators and denominators, calculates the sum, and formats the output.

Casting to an Int

CastingToInt class demonstrates type casting from double to int.
Displays the integer value of a double with a truncation feature.

Casting to a Double

Class CastingToDouble illustrates type casting from int to double.
Computes the quotient of two integers as a double for accurate division.

Movie Ratings

Class MovieRatings takes a movie rating from the user.
Demonstrates rounding technique to the nearest integer after adding 0.5.

Ice Cream

IceCream class gathers user preferences regarding ice cream with a boolean input.
Outputs user response directly to the console.

Roller Coaster

Class RollerCoaster checks eligibility for riding based on height and age.
Combines boolean conditions to determine if the user can ride and outputs the result.

Triple Double

Class TripleDouble collects user statistics: points, rebounds, and assists.
Intended to use boolean logic for further calculations, although incomplete.

Description

This quiz covers CodeHS Unit 2 flashcards, focusing on key programming concepts like the Welcome Program and ASCII Art. Each card includes code snippets for better understanding. Test your knowledge and understanding of these basic programming structures!