Information Systems

IT 511 Stepping Stone Lab Two Guidelines

Recipe Manager Data Types

Overview: For this stepping stone lab and others to come, you will create coding for a program designed to manage recipes. In Stepping Stone Lab Two, you will begin working with a recipe manager program by focusing on a single ingredient. You will be introduced to basic data types to store numeric values and string values.

You will build this ingredient in code that reflects variables such as its name, the number of cups of that ingredient needed in the recipe, and how many calories

it has per cup. You will also write an expression to calculate the total number of calories this ingredient would contribute to a recipe.

To keep track of this information, you need to store it in a program. You will need to utilize variables of various data types to store the information and prompt

the user for the various values. Once you get that information from the user, you can calculate the total number of calories per serving in your recipe.

Prompt: Use as your base code. Areas that require changes to the base code and/or additional code to be written are found in the commented areas that look like this: /** * This is a commented area that describes the task to be completed in this stepping stone * */ Specifically, you will complete the following:

A. Assign the variables with the appropriate data type and value as shown in the table below:

Variable Name Type of Value Stored

nameOfIngredient Text

numberOfCups Decimal numbers (e.g., ½ a cup)

numberOfCaloriesPerCup Whole numbers

totalCalories Decimal numbers

B. Write an expression that multiplies the numberOfCups by the numberOfCalories per cup and assign this value to totalCalories. Guidelines for Submission: This assignment should be submitted as a Java file.

Extending This Lab for Your Final Project For your final project, do the following:

1. Create a new java class named Ingredient.

2. Adapt the code from this stepping stone to include the following changes: A. Rename the variable numberCups to represent the more general ingredientAmount. B. Add a new text variable, unitMeasurement, to store unit of measurement for the ingredient amount (cups, ounces, etc.). C. Prompt the user to input the measurement unit.

package SteppingStones;

import java.util.Scanner;



* @author j.leone1


public class SteppingStone2_IngredientCalculator {


* @param args the command line arguments


public static void main(String[] args) {


*Assign the following variables with the appropriate data type and value:


*nameOfIngredient “”

*numberCups 0

*numberCaloriesPerCup 0

*totalCalories 0.0


Scanner scnr = new Scanner(;

System.out.println(“Please enter the name of the ingredient: “);

nameOfIngredient =;

System.out.println(“Please enter the number of cups of ”

+ nameOfIngredient + ” we’ll need: “);

numberCups = scnr.nextFloat();

System.out.println(“Please enter the name of calories per cup: “);

numberCaloriesPerCup = scnr.nextInt();


* Write an expression that multiplies the number of cups

* by the Calories per cup.

* Assign this value to totalCalories


System.out.println(nameOfIngredient + ” uses ” + numberCups

+ ” cups and has ” + totalCalories + ” calories.”);



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