C# Programming From Problem Analysis To Program Design 5th Edition Barbara Doyle - Solutions

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Given the following statement, what would be the best heading for the DetermineAnswer( ) method?int aValue, result;result = DetermineAnswer(27.83, aValue);a. public void DetermineAnswer(27.83, aValue)b. public int DetermineAnswer( )c. public int DetermineAnswer(double v1, int v2)d. public double
Which of the following would be the most appropriate way to invoke the predefined Floor( ) method found in the Math class?public static double Floor (double)a. answer = Floor(87.2);b. answer = Math.Floor(87.2);c. Floor(87.2);d. Math.Floor(double);e. Math.Floor(87.2);
Which of the following identifiers follows the standard naming convention for a method?a. Calculate Final Gradeb. MilesPerGallonc. InValueMethodd. PrintReporte. Method1
Which of the following modifiers is the most restrictive?a. privateb. staticc. publicd. internale. protected
Which of the following is placed in a method heading to indicate that no value will be returned?a. publicb. staticc. argumentsd. voide. return
Functions or modules found in other languages are similar to in C#.a. modifiersb. parametersc. argumentsd. methodse. classes
In countries using the metric system, many products are sold by grams and kilograms as opposed to pounds and ounces. Write an application that converts grams to pounds and will display the price of the product by pound. Test your application by doing a compile-time initialization of a product
Write a program that computes the amount of money the computer club will receive from the proceeds of their granola project. Each case has 100 bars. The granola bars sell for $1.50 per bar. Each case costs $100.00. They are required to give the student government association 10% of their earnings.
Write a program that computes a weighted average giving the following weights.Homework: 10%Projects: 35%Quizzes: 10%Exams: 30%Final Exam: 15%Do a compile-time initialization with the following values:Homework: 97; Projects: 82; Quizzes: 60; Exams: 75; Final Exam 80.Display all values, including the
Write a program that prints the number of quarters, dimes, nickels, and pennies that a customer should get back as change. Run your program once by performing a compile-time initialization using 92 cents for the value to be converted. Go into your source code and change the 92 to 27.Rerun the
Write a program that computes the average of five exam scores. Declare and perform a compile-time initialization with the five values. Use a constant to define the number of scores. Print all scores and the average value formatted with no digits to the right of the decimal. Rerun the application
Write a program that calculates and prints the take-home pay for a commissioned sales employee. Perform a compile-time initialization and store the name of Nesbith Lang in a variable called employeeName. Nesbith earns 7% of her total sales as her commission. Her federal tax rate is 18%. She
Write a program that shows the formatted retail price of items when there is a 15% markup. Test the program by performing a compile-time initialization with Ruggy Shoes, which has a wholesale price of $52.00. Display appropriately labeled retail and wholesale values for the shoes. Once you get that
Write a program that converts a temperature given in Celsius to Fahrenheit.Test the program by performing a compile-time initialization of 32 for the original Celsius value. Display the original temperature and the formatted converted value. Go into your source code and change the initialization
Write a program that converts a mile into its equivalent metric kilometer measurement. Test the program by performing a compile-time initialization of 10 for the miles value. Display the original miles and the formatted converted value. Go into your source code and change the initialization value
Design an application that converts miles to feet. Declare and initialize miles to 4.5. Show your miles formatted with two positions to the right of the decimal.Feet and inches should both be shown with no positions to the right of the decimal. Once you get that portion running, modify your
The following program has several syntax errors as well as style inconsistencies.Correct the syntax errors and identify the style violations.namespace Chapter2{class converter{static void main({CONST int inches = 12;int x = 100; y = 10;float z = 22.45;double ans;ans=inches+z*x%y;System.write("The
Explain how type, class, and object are related to a string.
Explain how a variable differs from a constant.
What will be the output from each of the following statements?a. Console.Write(‘‘Result is {0:c}’’, 67);b. Console.Write(‘‘Number {0:f 0} is {1:c}’’, 1, 3);c. Console.Write(‘‘{0:f 0}– {1:c}’’, 1, 3 2);d. Console.Write(‘‘{0:f 0} result ‘‘ + ‘‘xyz {1:f
Suppose x, y, and z are double variables and x = 2.5, y = 6.9, and z = 10.0.What will be in the memory locations of each of the variables after each of the following statements is executed? (For each exercise, use the original declaration.)
Suppose x, y, and z are int variables and x = 2, y = 6, and z = 10.What will be in the memory locations of each of the variables after each of the following statements is executed? (For each exercise, use the original declaration.)
For each of the following declarations, write an appropriate compile-time initialization.a. counter for the number of correct responses begins with zerob. amount of money you owe on a credit card is zeroc. name of the hometown or the city where your school is locatedd. grade on the next exam is
For each of the following, declare a variable using the best choice for data type.a. a counter for the number of correct responsesb. the amount of money you owe on a credit cardc. the name of your hometownd. the grade you hope to obtain on the next exame. the grade you hope is recorded at the end
Which of the following are valid identifiers? If they are invalid, indicate why.a. intValueb. value#1c. the first valued. _value1e. AVALUE
Indicate the order of operations for the following assignment statements by placing a number under the assignment operator, as illustrated in Figure 2-13.a. ans = value1 + value2 value3 – (value4 + 20 / 5 % 2) 7;b. ans += value1 10;c. ans = (((value1 + 7) – 6 value2) / 2);d. ans =
Which of the following formats 86 to display with two digits to the right of the decimal?a. {0:C}b. {0:c}c. {0:f2}d. all of the abovee. none of the above
What is stored in ans as a result of the arithmetic expression, given the following declarations?int ans = 10, v1 = 5, v2 = 7, v3 = 18;ans += v1 + 10 (v2 / 5) + v3 / v2;a. 18b. 32c. 28d. 30e. none of the above
What is stored in ans as a result of the arithmetic expression, given the following declarations?int ans = 0, v1 = 10, v2 = 19;ans = v2 % v1++;a. 1.8b. 9c. 8d. 2e. none of the above
Which statement increases the result by 15?a. 15 += result;b. 15 =+ result;c. result =+ 15;d. result += 15;e. result = 15 +;
Adding the keyword const to a declaration:a. places a value in memory that cannot be changedb. declares variables of the constant typec. must be done by placing it after the identifier in the declarationd. can only be done with the integral typese. is prohibited in C#
What would be an appropriate declaration for a memory location to be used as a flag to indicate whether a value has reached its upper limit?a. int upperLimit;b. upperLimit reached;c. bool upperLimit;d. Boolean upperLimit;e. string upperLimit;
An object of the int class is:a. 47.98b. 47c. int classd. type objecte. type integral
Types are implemented in C# using:a. classesb. typesc. objectsd. namespacese. programs
Which of the following is a valid declaration for a variable to store the name of this textbook?a. string name of book;b. char nameOfBook;c. boolean nameOfBook;d. string bookName;e. char book Name;
One of primary differences between float, double, and decimal is:a. float is used to represent more significant digits.b. double is normally used with large monetary values.c. decimal is not used to display negative values.d. double does not require suffixing a numeric literal with a value such as
Which of the following is a reserved keyword?a. Consoleb. datac. intd. Systeme. all of the above
The character that cannot be used with an identifier is:a. –b. $c. d. #e. all of the above
Which of the following is a reference type?a. intb. boolc. stringd. decimale. integral
The number 768 is an example of a type.a. boolb. integralc. floating-pointd. structe. decimal
Which of the following is a valid identifier?a. namespaceb. variable 1c. exampleOfaValued. 3valuee. value#1
Two fuel stops, Canadian Fuel and American Fuel, are positioned near the U.S. Canadian border. At the Canadian station, gas is sold by the liter. On the American side, it is sold by the gallon. Write an application that allows the user to input information from both stations and make a decision as
Design a solution that prints the amount of profit an organization receives based on it sales. The more sales documented, the larger the profit ratio. Allow the user to input the total sales figure for the organization.Compute the profit based on the following table. Display the sales and profit
Create an application with four classes. Three of the classes should contain data and behavior characteristics for circle, rectangle, and cylinder.You could extend your solution to problem number 6 and provide behaviors based on the type of object instantiated. For example, in addition to
Create a Month class that has a single data member of month number.Include a member method that returns the name of the month and another method that returns the number of days in the month.The ToString( ) method should return the name and number of days. Write a second class to test your Month
Write an application that computes the area of a circle, rectangle, and cylinder. Display a menu showing the three options. Allow users to input which figure they want to see calculated. Based on the value inputted, prompt for appropriate dimensions and perform the calculations using the following
A large Internet merchandise provider determines its shipping charges based on the number of items purchased. As the number increases, the shipping charges proportionally decrease. This is done to encourage more purchases. If a single item is purchased, the shipping charge is $2.99. When customers
Write a program that calculates the take-home pay for an employee.The two types of employees are salaried and hourly. Allow the user to input the employee’s first and last name, id, and type. If an employee is salaried, allow the user to input the salary amount. If an employee is hourly, allow
Write a two-class solution to calculate and display a person’s body mass index (BMI). BMI is an internationally used measure of obesity.Depending on where you live, the Imperial BMI formula or the Metric Imperial Formula is used. Once the BMI is calculated, display a message of the person’s
Ever heard of acid rain? This is rainfall with a very low pH. Write an application that will enable you to display the pH level for a swimming pool and whether an additive is needed or not. The pH is a measure of how acidic or basic the water is and is typically given on a 0–14 scale.Below 7.0 is
Write a program that takes a decimal value between 1 and 10 and displays its equivalent Roman numeral value. Display an error message if the value entered is outside of the acceptable range. Write a two class solution. The second class should allow the user to input a test value.
Write conditional expressions to perform the following tests:a. When amountOwed is greater than 1000.00, display an overdue message.b. When amountOfRain is greater than 5 inches, add 5 to total.When it is between 3 and 5 inches, add 3 to total. When it is less than 3 inches, add 1 to total.c. When
Rewrite the following compound expression as a nested if statement:if ((aValue > bValue) && (bValue == 10))WriteLine("Test complete");
Rewrite the following switch statement as a nested if statement using a series of else. . .if statements:string birdName;switch (birdName){case "Pelican":WriteLine("Lives near water.");break;case "Cardinal":WriteLine("Beautiful in the snow.");break;case "Owl":WriteLine("Night creature.");break;case
Could a switch statement be designed logically to perform the same tests as the following nested if statement? If so, explain how it could be done.if (aValue == 100)WriteLine("Value is 100");else if (aValue < 100)WriteLine("Value is less than 100");
Assuming a is 5, b is 6, and c is 8, which of the following is (are) false?a. a == 5;b. 7 = 0;g. a
The string data type can be used:a. as an operand for the == or !=b. as an expression in the switch statement to be evaluatedc. as an operand for the > or < operatord. a and b are correcte. all of the above
Which of the following statements about logical operators is correct?a. Logical AND yields true if and only if both of its operands are either true or false.b. Logical OR yields true if either or both of its operands are true.c. Logical OR is represented in C# by && .d. Logical NOT is represented
Given the switch statement, which of the following would be the first if statement to replace the first test in the switch?switch (control){case 11 :WriteLine("eleven");break;case 12 :WriteLine("twelve");break;case 16 :WriteLine("sixteen");break;}a. if (case = 11)b. if (case == 11)c. if (control ==
What is the result of the following conditional expression when aValue = 100 and bValue = 7?result = aValue > bvalue + 100 ? 1000 : 2000;a. 0b. 1000c. 2000d. 7e. none of the above
Given the following segment of code, what will be the output?int x = 5;if (x == 2)Write("Brown, brown, run aground. ");else Write("Blue, blue, sail on through. ");Write("Green, green, nice and clean.");a. Brown, brown, run aground.b. Blue, blue, sail on through.c. Brown, brown, run aground. Blue,
If you intend to place a block of statements within an if statement, you must use around the block.a. parenthesesb. square bracketsc. quotation marksd. curly bracese. none of the above
After execution of the following code, what will be the value of inputValue?int inputValue = 0;if (inputValue > 5)inputValue += 5;else if (inputValue > 2)inputValue += 10;else inputValue += 15;a. 15b. 10c. 25d. 0e. 5
Consider the following if statement, which is syntactically correct, but uses poor style and indentation:if (x >= y) if (y > 0) x = x * y; else if (y < 4) x = x − y;Assume that x and y are int variables containing the values 9 and 3, respectively, before execution of the preceding statement.
Examine the code. When will C be assigned 3? (Be careful.)if (A == B);C = 3;a. when A is equal to Bb. when A is not equal to Bc. neverd. every time the program is executede. not enough information is given
Which logical operator (op) is defined by the following table? (T and F denote true and false.)a. NOTb. ANDc. ORd. not enough information is givene. none of the above Pop Q T PETEE Q T F F F T F F FF F F
What does the following program segment display? = int f 7, s = 15; f = s % 2; if (f!= 1) { f = 0; } s = 0; S= else if (f == 2) f = 10; { s = 10; } else { f = 1; s = 1; } = WriteLine (" a. 7 15 b. 0 0 C. 10 10 d. 1 1 e. none of the above
Incorrect use of spacing with an if statement:a. detracts from its readabilityb. causes a syntax error messagec. can change the program logicd. causes a logic error messagee. all of the above
The symbol (=) is:a. the operator used to test for equalityb. used for comparing two itemsc. used as part of an assignment statementd. considered a logical compound operatore. all of the above
The _____ operator represents the logical AND.a. ++b. ||c. &&d. @e. none of the above
What will be displayed from executing the following segment of code?You may assume testScore has a value of 90.int testScore;if (testScore < 60); // Note the semicolon.Write("You failed the test! ");if (testScore > 60)Write("You passed the test! ");else Write("You need to study for the next
Which statement in C# allows you to do the following: Properly check the variable code to determine whether it contains the character C, and if it does, display “This is a check” and then advance to a new line?a. if code is equal to C WriteLine("This is a check");b. if (code =
What is displayed when the following code executes?score = 0;if (score > 95)Write("Congratulations! ");Write("That's a high score! ");Write("This is a test question!");a. This is a test question!b. Congratulations! That's a high score! This is a test question!c. That's a high score! This is a test
What is the output for total after the following segment of code executes?int num = 3, total = 0;switch (num){case 1:case 2:total = 5;break;case 3:total = 10;break;case 4:total = total + 3;break;case 8:total = total + 6;break;default:total = total + 4;break;}WriteLine("The value of total is " +
Which expression is evaluated first in the following statement?if (a > b && c == d || a == 10 && b > a * b)?a. a * bb. b && cc. d || ad. a > be. none of the above
The result of the expression if (aValue == bValue) is:a. aValueb. 10c. an integer valued. true or falsee. determined by an input statement
Create a Money class that has as data members dollars and cents.Include IncrementMoney and DecrementMoney instance methods.Include constructors that enable the Money class to be instantiated with a single value representing the full dollar/cent amount as well as a constructor that enables you to
Write a program that creates a ProfessorRating class consisting of professor name, professor ID, and three ratings. The three ratings are used to evaluate easiness, helpfulness, and clarity. Include appropriate properties. Do not allow the ID to be changed after an object has been constructed.
Write a program that includes an Employee class that can be used to calculate and print the take-home pay for a commissioned sales employee. All employees receive 7% of the total sales. Federal tax rate is 18%. Retirement contribution is 10%. Social Security tax rate is 6%.Write instance methods to
There are a number of national and state parks available to tourists. Create a Park class. Include data members such as name of park, location, type of (i.e., national, state, and local) facility, fee, number of employees, number of visitors recorded for the past 12 months, and annual budget.Write
Create a Trip class. Include as data members destination, distance traveled, total cost of gasoline, and number of gallons consumed.Include appropriate constructors and properties. Add additional methods that calculate miles per gallon and the cost per mile. Override the ToString ( ) method. Create
Create a Receipt class that could be used by a retail store. Items to include as data members are receipt number, date of purchase, customer number, customer name and address, customer phone number, item number, description, unit price, and quantity purchased. For simplicity, you may assume each
Create an Employee class. Items to include as data members are employee number, first name, last name, date of hire, job description, department, and monthly salary. The class is often used to display an alphabetical listing of all employees. Include appropriate constructors and properties. Provide
Create a Motorway class that can be used as extra documentation with directions. Include data members such as name of the highway, type of street (i.e., Road, Street, Avenue, Blvd., Lane, etc.), direction (i.e., E, W, N, or S), surface (i.e., blacktop, gravel, sand, and concrete), number of lanes,
Create a class representing a student. Include characteristics such as student number, first and last name, classification, and major. Write at least two constructors. Include properties for each of the data items.Include an instance method that returns a full name (with a space between first and
Create a Date class with integer data members for year, month, and day. Also include a string data member for the name of the month.Include a method that returns the month name (as a string) as part of the date. Separate the day from the year with a comma in that method.Include appropriate
The following program has several syntax errors as well as style inconsistencies.Correct the syntax errors and identify the style violations. public class Chair { private string type; private double weight; private double cost; private Chair( ) private Chair (weight, type, cost) public string
Explain the role of the constructor. What is the default constructor?When do you automatically get a default constructor?
What does it mean to override a method? Why should the ToString( )method be overridden for user-defined classes?
Explain how instance methods differ from class methods. What differs when you want to invoke each different type? Which one requires an object in order for it to be called?
Given the following code snippet:Identify the following items by line number:a. method headingsb. property identifierc. default constructorsd. formal parameterse. local variables public class Camera Line 1 { Line 2 private double zoom; Line 3 private double lens Speed; Line 4 public double Zoom
In order to provide a new definition for the ToString( ) method, what keyword is added to the method heading?a. staticb. overridec. newd. overloade. public
For a class called Account that has data members of accountNumber, balance, and transactionAmount, which would be the most appropriate instance method heading for a method that reduces the transaction amount from the current balance?a. static double ReduceAccount( double accountBalance, double
Normally, member data uses a _____ access modifier, and methods use a _____ access modifier for object-oriented solutions.a. protected, publicb. private, protectedc. public, protectedd. public, privatee. private, public
Which of the following modifiers in C# is used with constructors?a. constb. privatec. publicd. statice. protected
With a UML class diagrama. the name of the class appears at the bottom section of the diagramb. data members show a + to indicate public accessc. methods are not shownd. objects of the class appear in the middle section of the diagrame. methods show the return type on the diagram
Given the following class definition, what would be a valid heading for a mutator?public class Student{private string name;private double gpa;}a. public double SetGpa(double gpaValue)b. public void SetGpa(double gpaValue)c. public double SetGpa( )d. public void GetGpa(double gpaValue)e. public
Which of the following would be a valid call to the default constructor for the following class?public class Employee {a. Employee employee1 = new Employee( );b. Employee employee1 = new undergrad( );c. Employee employee1;d. Employee employee1 = new Employee(default);e. Not enough information is
If you follow the standard C# naming conventions, the property name for the following instance variable would be:private string name;a. propertyNameb. namePropertyc. getNamed. namee. Name
The following is probably an example of a(n):public double GetYards( )a. constructorb. mutatorc. propertyd. accessore. class definition

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C# Programming From Problem Analysis To Program Design 5th Edition Barbara Doyle - Solutions

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