Podcast
Questions and Answers
What is the primary function of the Welcome Program?
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?
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?
What integer value does the Variables program assign to currYear?
2023
What does the Answering Questions program ask the user?
What does the Answering Questions program ask the user?
In the Poetry program, what can the user do?
In the Poetry program, what can the user do?
What is calculated in the Area of a Rectangle program?
What is calculated in the Area of a Rectangle program?
What must the user input in the Add Fractions program?
What must the user input in the Add Fractions program?
What happens to the double value in Casting to Int program?
What happens to the double value in Casting to Int program?
What type of value does the Casting to Double program output?
What type of value does the Casting to Double program output?
In the Movie Ratings program, the movie rating is rounded to the nearest ___
In the Movie Ratings program, the movie rating is rounded to the nearest ___
The Ice Cream program prints whether the user likes ice cream.
The Ice Cream program prints whether the user likes ice cream.
What determines if someone can ride in the Roller Coaster program?
What determines if someone can ride in the Roller Coaster program?
In the Triple Double program, the user is asked for points, rebounds, and ___
In the Triple Double program, the user is asked for points, rebounds, and ___
Flashcards
Integer Variables
Integer Variables
Represent whole numbers (e.g., 10, -5, 0).
String Variables
String Variables
Store text (e.g., "Hello", "2023").
Double Variables
Double Variables
Hold decimal numbers (e.g., 3.14, -2.5).
Boolean Variables
Boolean Variables
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User Input (readLine)
User Input (readLine)
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Arithmetic Operations
Arithmetic Operations
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Type Casting (int to double)
Type Casting (int to double)
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Type Casting (double to int)
Type Casting (double to int)
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Rounding to nearest Integer
Rounding to nearest Integer
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Boolean Conditions
Boolean Conditions
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Area of a Rectangle
Area of a Rectangle
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Fraction Addition
Fraction Addition
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ASCII Art
ASCII Art
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Study Notes
Welcome Program
- Introduces a simple class
Welcomethat extendsConsoleProgram. - Outputs personal information using
System.out.println().
ASCII Art
- Class
Artillustrates basic ASCII art creation features. - Utilizes
System.out.println()for visual text representation.
Our First Integer
Variablesclass demonstrates integer usage withint currYear = 2023;.- Displays the current year in the console.
Answering Questions
Variablesclass showcases multiple variable types:String,int,double, andboolean.- Outputs a best friend's name, a lucky number, room square footage, and ballet participation status.
About You
- Class
AboutYoucollects user input for favorite food, color, and movie throughreadLine(). - Displays collected input on the console.
Poetry
- Class
Poetrycombines static text printing with user-generated content. - Prompts user to write a poem and then displays it.
Area of a Rectangle
Areaclass prompts for rectangle dimensions usingreadDouble().- Calculates and displays the area of the rectangle in square units.
Add Fractions
- Class
AddFractionshelps compute the sum of two fractions. - Uses user input for numerators and denominators, calculates the sum, and formats the output.
Casting to an Int
CastingToIntclass demonstrates type casting fromdoubletoint.- Displays the integer value of a double with a truncation feature.
Casting to a Double
- Class
CastingToDoubleillustrates type casting frominttodouble. - Computes the quotient of two integers as a double for accurate division.
Movie Ratings
- Class
MovieRatingstakes a movie rating from the user. - Demonstrates rounding technique to the nearest integer after adding 0.5.
Ice Cream
IceCreamclass gathers user preferences regarding ice cream with a boolean input.- Outputs user response directly to the console.
Roller Coaster
- Class
RollerCoasterchecks 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
TripleDoublecollects user statistics: points, rebounds, and assists. - Intended to use boolean logic for further calculations, although incomplete.
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