Percentage Calculation Program Plan: ADT interface filename: “Percent.h” Include required header files. Define a class “Percent”. Declare function for overload operator “==” and “<”. Declare default constructor for “Percent” class. Declare a constructor for “Percent” class with one integer parameter. Declare function for input overload operator and output overload operator. Declare function for binary overload operators “+”, “-” and “”. Declare a member variable “value”. ADT implementation filename: “Percent.cpp” Include required header files. Define default constructor for “Percent” class. Here assign the value of “value” to “0”. Define constructor for “Percent” class with one integer parameter “percentValue”. In this constructor, assign “value” to “percentValue”. Define a function for overload operator “<”. This function is used to check whether the first percent is less than second percent or not. Define a function for overload operator “==”. This function is used to check whether the two percent’s are equal or not. Define a function for input operator “>>”. Define a function for input operator “<<”. Define a function for binary overload operator “+” to compute the sum of two percentages. In this function, create an object “sum”. Then compute the addition of two percent’s. Finally returns the result of addition. Define a function for binary overload operator “-” to compute the subtraction of two percentages. In this function, create an object “s”. Then compute the subtraction of two percent’s. Finally returns the result of subtraction. Define a function for binary overload operator “” to compute the multiplication of one percent and an integer value. In this function, create an object “m”. Then compute the multiplication of one percent and an integer value. Finally returns the result of multiplication. Application filename: “main.cpp” Include required header files. Define main function. Create two objects “percent1” and “percent2” from “Percent” class. Create an object “percent3” with one integer parameter “10”. Declare an integer variable “intValue”. Read the percentage 1 and percentage 2 from user. Check the two percentages using “==” operator. Check the two percentages using “<” operator. Create an object “sumPercent” from “Percent” class. Then compute and display sum of two percentages. Create an object “subPercent” from “Percent” class. Then compute and display difference of two percentages. Display percentage 3 from assigned value. Read an integer from user to multiply with a percentage 3. Finally compute and display the multiplication of “percent3” and a user entered integer value.

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Topical Information Use C++. This lab should provide you with practice in file handling, stream formatting, and some string manipulation. Classes might come in handy, too. Program Information Write a program that reads a list of enrollments from a file and prints a class roster for the teacher. Make the class roster line up as neatly as you can and still fit on the screen. You can choose the actual values to use for your data. Make sure to do enough sets of data to well test your program! (Empty data set, normal data set, data with large values, data with short values, etc.) Also, your program can't know ahead of time how many people are enrolled in the class... Don't forget to read the file's name from the user and protect your program against any errors that may occur during the opening of the file. Try to use functions to break up the program into more manageable pieces. As an example, you might have the data file contain: # name # student number # address1 # address2 # phone number…

Answer 1

Question

Chapter 12, Problem 1PP

Program Plan Intro

Percentage Calculation

Program Plan:

ADT interface filename: “Percent.h”

Include required header files.

Define a class “Percent”.

Declare function for overload operator “==” and “<”.

Declare default constructor for “Percent” class.

Declare a constructor for “Percent” class with one integer parameter.

Declare function for input overload operator and output overload operator.

Declare function for binary overload operators “+”, “-” and “”.

Declare a member variable “value”.

ADT implementation filename: “Percent.cpp”

Include required header files.

Define default constructor for “Percent” class.

Here assign the value of “value” to “0”.

Define constructor for “Percent” class with one integer parameter “percentValue”.

In this constructor, assign “value” to “percentValue”.

Define a function for overload operator “<”.

This function is used to check whether the first percent is less than second percent or not.

Define a function for overload operator “==”.

This function is used to check whether the two percent’s are equal or not.

Define a function for input operator “>>”.

Define a function for input operator “<<”.

Define a function for binary overload operator “+” to compute the sum of two percentages.

In this function, create an object “sum”.

Then compute the addition of two percent’s.

Finally returns the result of addition.

Define a function for binary overload operator “-” to compute the subtraction of two percentages.

In this function, create an object “s”.

Then compute the subtraction of two percent’s.

Finally returns the result of subtraction.

Define a function for binary overload operator “” to compute the multiplication of one percent and an integer value.

In this function, create an object “m”.

Then compute the multiplication of one percent and an integer value.

Finally returns the result of multiplication.

Application filename: “main.cpp”

Include required header files.

Define main function.

Create two objects “percent1” and “percent2” from “Percent” class.

Create an object “percent3” with one integer parameter “10”.

Declare an integer variable “intValue”.

Read the percentage 1 and percentage 2 from user.

Check the two percentages using “==” operator.

Check the two percentages using “<” operator.

Create an object “sumPercent” from “Percent” class.

Then compute and display sum of two percentages.

Create an object “subPercent” from “Percent” class.

Then compute and display difference of two percentages.

Display percentage 3 from assigned value.

Read an integer from user to multiply with a percentage 3.

Finally compute and display the multiplication of “percent3” and a user entered integer value.

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