Microsoft Visual C# An Introduction to Object-Oriented Programming 7th edition Joyce Farrell - Solutions

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In this exercise, you modify the Rectangle class from Lab 15-2 so that it includes an overloaded method. a. If necessary, create a new project named Advanced20 Project and save it in the Cpp8\Chap15 folder. Copy the instructions from the Lab15-2 Rectangle.h file (which is located in either the
In this exercise, you modify the Terney Landscaping program from Lab 15-2 so that it passes an object to a function. a. If necessary, create a new project named Advanced19 Project and save it in the Cpp8\Chap15 folder. Copy the instructions from the Lab15-2.cpp file into a source file named
In this exercise, you modify an existing header file. a. Follow the instructions for starting C++ and viewing the Advanced18.cpp and Advanced18 MyDate.h files, which are contained in either the Cpp8\Chap15\ Advanced18 Project folder or the Cpp8\Chap15 folder. The program uses the MyDate class
In this exercise, you create a Triangle class and a program that uses the Triangle class to instantiate a Triangle object. a. If necessary, create a new project named Intermediate17 Project and save it in the Cpp8\Chap15 folder. Create a Triangle class. Enter the class definition in a header
In this exercise, you modify the Rectangle class from Lab 15-2 so that its setDimensions method returns a value. You also modify the Terney Landscaping program. a. If necessary, create a new project named Intermediate16 Project and save it in the Cpp8\Chap15 folder. Copy the instructions from
In this exercise, you modify the Rectangle class from Lab 15-2 so that it allows a program to view the contents of the length and width data members. You also modify the Terney Landscaping program so that it displays the length and width measurements. a. If necessary, create a new project
In this exercise, you use the Rectangle class from Lab 15-2 to instantiate a Rectangle object in the All-Around Fence Company program. If necessary, create a new project named Intermediate14 Project. Copy the instructions from the Lab15-2 Rectangle.h file (which is located in either the
In this exercise, you complete a program that uses the Square class shown in Figure 15-6 in the chapter. Follow the instructions for starting C++ and viewing the Introductory13.cpp file, which is contained in either the Cpp8\Chap15\Introductory13 Project folder or the Cpp8\Chap15 folder. (Depending
In this exercise, you modify the program from Lab 15-4. If necessary, create a new project named ModifyThis12 Project and save it in the Cpp8\Chap15 folder. Copy the instructions from the Lab15-4.cpp file into a new source file named ModifyThis12.cpp. Change the filename in the first comment. Also
Correct the errors in the Item class shown in Figure 15-21. //declaration section class Item { private: item(); void assignItem (string, double); public: string name; double price; //implementation section Item() { name = "": price - 0.0; } //end of default constructor void assignItem(string
Write the code for two overloaded methods named getArea. The methods belong to the Square class. The first getArea method should accept two integers. The second getArea method should accept two double numbers. Both methods should calculate the area by multiplying the first number by the second
A program creates an Animal object named dog. Which of the following calls the displayBreed method, which is a public member method contained in the Animal class? a. Animal::displayBreed(); b. displayBreed(); c. dog::displayBreed(); d. dog.displayBreed();
Which of the following creates an Animal object named dog? a. Animal dog; b. Animal "dog"; c. dog = "Animal"; d. dog Animal();
Which of the following statements is false? a. You typically use a public member method to change the value stored in a private data member. b. Because a constructor does not return a value, you place the keyword void before the constructor’s name. c. The public member methods in a
The name of the constructor for a class named Animal is _____________________. a. Animal b. AnimalConstructor c. ConstAnimal d. Any of the above could be used as the name of the constructor.
Which of the following is the scope resolution operator? a. :: (two colons) b. * (asterisk) c. . (period) d. -> (hyphen and greater than symbol)
The method definitions for a class are entered in the _____________________ section in the class definition. a. Declaration b. Implementation c. Method d. Program-defined
In most classes, you expose the _____________________ and hide the _____________________. a. Attributes, data members b. Data members, member methods c. Member methods, data members d. Variables, member methods
A program can access the private members of a class _____________________. a. Directly b. Only through the public members of the class c. Only through other private members of the class d. None of the above because the program cannot access the private members of a class in any
You hide a member of a class by recording the member below the keyword _____________________ in the class statement. a. Confidential b. Hidden c. Private d. Restricted
Which of the following statements is false? a. An example of an attribute is the minutes variable in a Time class.b. An example of a behavior is the setTime method in a Time class. c. An object created from a class is referred to as an instance of the class. d. A class is considered
A blueprint for creating an object in C++ is called _____________________. a. A class b. An instance c. A map d. A pattern
Follow the instructions for starting C++ and viewing the SwatTheBugs30.cpp file, which is contained in either the Cpp8\Chap14\SwatTheBugs30 Project folder or the Cpp8\Chap14 folder. (Depending on your C++ development tool, you may need to open the project/solution file first.) The program should
If necessary, create a new project named Advanced29 Project and save it in the Cpp8\Chap14 folder. Also create a new source file named Advanced29.cpp. If you are using Microsoft Visual C++, copy the Advanced29.txt file from the Cpp8\Chap14 folder to the Cpp8\Chap14\Advanced29 Project folder. Use a
If necessary, create a new project named Advanced28 Project and save it in the Cpp8\Chap14 folder. Also create a new source file named Advanced28.cpp. If you are using Microsoft Visual C++, copy the Advanced28.txt file from the Cpp8\Chap14 folder to the Cpp8\Chap14\Advanced28 Project folder. Use a
If necessary, create a new project named Advanced27 Project and save it in the Cpp8\Chap14 folder. Also create a new source file named Advanced27.cpp. If you are using Microsoft Visual C++, copy the Advanced27.txt file from the Cpp8\Chap14 folder to the Cpp8\Chap14\Advanced27 Project folder. Each
If necessary, create a new project named Advanced26 Project and save it in the Cpp8\Chap14 folder. Also create a new source file named Advanced26.cpp. Write a program that allows the user to record the names of cities and their corresponding ZIP codes in a sequential access file named
If necessary, create a new project named Advanced25 Project and save it in the Cpp8\Chap14 folder. Also create a new source file named Advanced25.cpp. If you are using Microsoft Visual C++, copy the Advanced25.txt file from the Cpp8\Chap14 folder to the Cpp8\Chap14\Advanced25 Project folder. Use a
If necessary, create a new project named Intermediate24 Project and save it in the Cpp8\Chap14 folder. Also create a new source file named Intermediate24.cpp. If you are using Microsoft Visual C++, copy the Intermediate24.txt file from the Cpp8\Chap14 folder to the Cpp8\Chap14\Intermediate24
If necessary, create a new project named Intermediate23 Project and save it in the Cpp8\Chap14 folder. Also create a new source file named Intermediate23.cpp. If you are using Microsoft Visual C++, copy the Intermediate23.txt file from the Cpp8\Chap14 folder to the Cpp8\Chap14\Intermediate23
If necessary, create a new project named Intermediate22 Project and save it in the Cpp8\Chap14 folder. Also create a new source file named Intermediate22.cpp. If you are using Microsoft Visual C++, copy the Intermediate22.txt file from the Cpp8\Chap14 folder to the Cpp8\Chap14\Intermediate22
If necessary, create a new project named Introductory21 Project and save it in the Cpp8\Chap14 folder. Also create a new source file named Introductory21.cpp. If you are using Microsoft Visual C++, copy the Introductory21.txt file from the Cpp8\Chap14 folder to the Cpp8\Chap14\Introductory21
If necessary, create a new project named Introductory20 Project and save it in the Cpp8\Chap14 folder. Also create a new source file named Introductory20.cpp. Create a program that saves prices in a sequential access file. Save the prices in fixed-point notation with two decimal places. Name the
If necessary, create a new project named Introductory19 Project and save it in the Cpp8\Chap14 folder. Also create a new source file named Introductory19.cpp. Create a program that saves a company’s payroll amounts in a sequential access file. Save the amounts in fixed-point notation with two
Correct the condition in the following if clause, which should determine whether the open function was able to open the file associated with the outFile object: if (outFile.open()).
A program needs to read a sequential access file, line by line, and display each line on the computer screen. The file, which was opened successfully, is associated with the inFile object. Write the code to read and then close the file.
Write a while clause that tells the computer to stop processing the loop instructions when the end of the file has been reached. The file is associated with the inFile object.
A program needs to write the contents of a string variable named capital and the newline character to the sequential access file associated with the outFile object. Write the code to accomplish this task.
A program needs to write the string “Employee” and the string “Name” to the sequential access file associated with the outFile object. Each string should appear on a separate line in the file. Write the code to accomplish this task.
Write the statement to close the janSales.txt file, which is associated with the outFile object.
Write the statement to read a number from the sequential access file associated with the inFile object. Assign the number to the number variable.
Write the statement to read a string from the sequential access file associated with the inFile object. Assign the string to the textLine variable.
Write an if clause that determines whether an output file was opened successfully. The file is associated with the outSales object.
Write the statement to open a sequential access file named febSales.txt for output. The file is associated with the outFeb object.
Write the statement to open a sequential access file named firstQtr.txt for append. The file is associated with the outSales object.
Write the statement to open a sequential access file named inventory.txt for input. The file is associated with the inInventory object.
Which of the following opens the payroll.txt file for input? The file is associated with the inFile object. a. inFile.open("payroll.txt", ios::app); b. inFile.open("payroll.txt"); c. inFile.open("payroll.txt", ios::in); d. Both b and c
Which of the following creates an object named inPayroll that represents an input file in the program? a. instream inPayroll; b. ifstream inPayroll; c. inPayroll ifstream; d. inPayroll as ifstream;
Which of the following tells the computer to repeat the loop instructions until the end of the file is reached? The file is associated with the inFile object. a. while (inFile.eof()) b. while (!ifstream.eof()) c. while (!inFile.eof()) d. while (!ifstream.fail())
Which of the following writes the contents of the city and state variables to an output file named address.txt? The file is associated with the outFile object. a. address.txt << city << state << endl; b. ofstream << city << state << endl; c.
Which of the following reads a number from an input file named managers.txt and stores the number in the salary variable? The file is associated with the inFile object. a. managers.dat << salary; b. ifstream << salary; c. inFile << salary; d. None of the above
Which of the following writes the contents of the city variable to an output file named address.txt? The file is associated with the outFile object. a. address.txt << city << endl; b. ofstream << city << endl; c. outFile << city << endl; d.
Which function determines whether the open function was successful? a. is_open b. isopen c. isFileOpen d. is_FileOpen
Which function closes a sequential access file? a. Close b. End c. Exit d. Finish
Which mode is used in the open function to add records to the end of an existing output file? a. add b. ios::add c. ios::app d. ios::out
Which of the following opens the payroll.txt file for output? The file is associated with the outPayroll object. a. outPayroll.open("payroll.txt"); b. outPayroll.open("payroll.txt", ios::out); c. outPayroll.open("payroll.txt", ios::output); d. Both a and b
Which of the following creates an object named outPayroll that represents an output file in the program? a. fstream outPayroll; b. ofstream outPayroll; c. outPayroll as ofstream; d. outPayroll as outstream;
You use the _____________________ class to instantiate an output file object. a. cout b. fstream c. ofstream d. outstream
For a program to create a file object, it must include the _____________________ file. a. fileStream b. fstream c. outFile d. sequential
When processed, which of the following can consume the newline character? a. >> operator b. << operator c. getline functiond. Both a and c
Which of the following statements tells the computer to consume the next 100 characters? a. cin.ignore(100); b. cin.ignore('100'); c. ignore(cin, 100); d. None of the above
Which of the following assigns the fifth character in the word variable to the letter variable? a. letter = word.substr(4); b. letter = word.substr(4, 1); c. letter = word(5).substring; d. letter = substring(word, 5);
Which of the following concatenates the contents of a string variable named city, a comma, a space, and the contents of a string variable named state and then assigns the result to a string variable named cityState? a. cityState = "city" + ", " + "state"; b. cityState = city + ", " +
Which of the following assigns five asterisks to a string variable named divider?a. divider.assign(5, '*'); b. divider.assign(5, "*"); c. divider.assign('*', 5); d. assign(divider, '*', 5);
Which of the following replaces the two characters located in subscripts 4 and 5 in a string variable named code with the string “AB”? a. code.replace(2, 4, "AB"); b. code.replace(4, 2, "AB"); c. code.replace(4, 5, "AB"); d. replace(code, 4, "AB");
If the state variable contains the string “San Francisco, CA”, what will the correct statement in Question 14 assign to the result variable? a. –1 b. 0 c. 11 d. 15 Data From Question 14Which of the following searches for the string “CA” in a string variable named
Which of the following searches for the string “CA” in a string variable named state and then assigns the result to an int variable named result? The search should begin with the character located in subscript 5 in the state variable. The state variable’s contents are uppercase. a.
Which of the following statements assigns the location of the comma in the amount variable to an int variable named loc? a. loc = amount.contains(","); b. loc = amount.substr(","); c. loc = amount.find(",", 0); d. None of the above
If the msg variable contains the string “Happy holidays”, what will the location = msg.find("Day", 0); statement assign to the location variable? a. –1 b. 0 c. 10 d. 11
A _____________________ is a single item of information about a person, place, or thing. a. Field b. File c. Record d. None of the above
Follow the instructions for starting C++ and viewing the SwatTheBugs37.cpp file, which is contained in either the Cpp8\Chap13\SwatTheBugs37 Project folder or the Cpp8\Chap13 folder. (Depending on your C++ development tool, you may need to open the project/solution file first.) The program should
In this exercise, you modify the program from Lab 13-2. If necessary, create a new project named Advanced35 Project and save it in the Cpp8\Chap13 folder. Also create a new source file named Advanced35.cpp. Copy the C++ instructions from the Lab13-2.cpp file into the Advanced35.cpp file. Change the
If necessary, create a new project named Advanced34 Project and save it in the Cpp8\ Chap13 folder. Also create a new source file named Advanced34.cpp. Create a program that allows the user to enter a password. The program should then create and display a new password using the rules listed in
If necessary, create a new project named Advanced28 Project and save it in the Cpp8\Chap13 folder. Also create a new source file named Advanced28.cpp. Write a program that determines whether the user entered an item number in the required format: three digits, a hyphen, and two digits. Display an
If necessary, create a new project named Introductory21 Project and save it in the Cpp8\Chap13 folder. Also create a new source file named Introductory21.cpp. Write a program that allows the user to enter three separate strings: a city name, a state name, and a ZIP code. The program should use
In this exercise, you modify the program from Lab 13-2. If necessary, create a new project named Intermediate27 Project and save it in the Cpp8\Chap13 folder. Also create a new source file named Intermediate27.cpp. Copy the C++ instructions from the Lab13-2.cpp file into the Intermediate27.cpp
If necessary, create a new project named Intermediate26 Project and save it in the Cpp8\Chap13 folder. Also create a new source file named Intermediate26.cpp. Write a program that allows the user to enter a part number that consists of four or five characters. The second and third characters
If necessary, create a new project named Intermediate25 Project and save it in the Cpp8\Chap13 folder. Also create a new source file named Intermediate25.cpp. Write a program that accepts a string of characters from the user. The program should display the characters in reverse order. In other
If necessary, create a new project named Intermediate23 Project and save it in the Cpp8\Chap13 folder. Also create a new source file named Intermediate23.cpp. Write a program that displays the color of the item whose item number is entered by the user. All item numbers contain exactly seven
If necessary, create a new project named Introductory20 Project and save it in the Cpp8\Chap13 folder. Also create a new source file named Introductory20.cpp. Write a program that displays the appropriate shipping charge based on the region code entered by the user. To be valid, the region code
Correct the following statement, which should change the contents of the day variable from “731” to “7/31”: day = day.insert(2, "/");.
A string variable named amount contains a string that has zero or more commas. Write the C++ code to count the number of commas in the string. Assign the result to an int variable named numCommas.
The total and dollars variables are string variables. Write the C++ code that uses the assign function to assign 10 asterisks to the total variable. The code should then concatenate the contents of the total variable and the contents of the dollars variable and then assign the resulting string to
Write a C++ statement that searches for the period in a string variable named amount and then assigns the location of the period to an int variable named location. Begin the search with the first character in the amount variable.
Write the C++ code to determine whether the address variable contains the street name “Grove Street”. Begin the search with the fifth character in the address variable and assign the result to an int variable named subNum variable.
Write the C++ code that uses the substr function to determine whether the string stored in the rate variable ends with the percent sign. If it does, the code should use the replace function to remove the percent sign from the variable’s contents.
The amount variable contains the string “3,123,560”. Write the C++ code to remove the commas from the contents of the variable.
Write a C++ statement to change the contents of the word variable from “mouse” to “mouth”
Write a C++ statement to change the contents of the word variable from “mend” to “amend”
The part variable contains the string “ABCD34G”. Write a C++ statement that assigns the 34 in the part variable to a string variable named code.
Write a C++ statement that assigns the first four characters in a string variable named address to a string variable named streetNum.
Write a C++ statement that replaces the first character in a string variable named code with the letter B.
Which of the following statements changes the contents of the word variable from “men” to “mean”? a. word.addTo(2, "a"); b. word.insert(2, "a"); c. word.insert(3, "a"); d. None of the above
Which of the following statements assigns the first three characters in the part variable to the code variable? a. code = part.assign(0, 3); b. code = part.substr(0, 3); c. code = part.substr(1, 3); d. code = part.substring(0, 3);
Which of the following determines whether the string stored in the part variable ends with the letter B? a. if (part.ends("B")) b. if (part.endswith("B") c. if (part.substr(part.length() – 1, 1) == "B") d. None of the above
Which of the following determines whether the string stored in the part variable begins with the letter A? a. if (part.begins("A")) b. if (part.beginswith("A")) c. if (part.substr(0, 1) == "A") d. if (part.substr(1) == "A")
What is the subscript of the first character contained in a string variable? a. 0 (zero) b. 1 (one)
If the state variable contains the two letters MI followed by three spaces, which of the following statements will remove the three spaces from the variable’s contents? a. state.erase(" "); b. state.erase(3, ""); c. state.remove(2, 3); d. None of the above
If the amount variable contains the string “$56.55”, which of the following statements will remove the dollar sign from the variable’s contents? a. amount.erase("$"); b. amount.erase(0, 1); c. amount = amount.substr(1); d. Both b and c
Which of the following should a program use to store the name of any city in a string variable named cityName? a. cin >> cityName; b. cin(cityName);c. getline(cityName, cin); d. getline(cin, cityName);

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Microsoft Visual C# An Introduction to Object-Oriented Programming 7th edition Joyce Farrell - Solutions

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