Concept explainers
SavingsAccount Class
Design a SavingsAccount class that stores a savings account’s annual interest rate and balance. The class constructor should accept the amount of the savings account’s starting balance. The class should also have methods for subtracting the amount of a withdrawal, adding the amount of a deposit, and adding the amount of monthly interest to the balance. The monthly interest rate is the annual interest rate divided by 12. To add the monthly interest to the balance, multiply the monthly interest rate by the balance and add the result to the balance.
Test the class in a
- a. Ask the user for the amount deposited into the account during the month. Use the class method to add this amount to the account balance.
- b. Ask the user for the amount withdrawn from the account during the month. Use the class method to subtract this amount from the account balance.
- c. Use the class method to calculate the monthly interest.
After the last iteration, the program should display the ending balance, the total amount of deposits, the total amount of withdrawals, and the total interest earned.
Want to see the full answer?
Check out a sample textbook solutionChapter 5 Solutions
Starting Out with Java: Early Objects (6th Edition)
Additional Engineering Textbook Solutions
Starting Out with C++ from Control Structures to Objects (8th Edition)
Starting Out with Java: From Control Structures through Objects (6th Edition)
Concepts Of Programming Languages
Database Concepts (7th Edition)
Web Development and Design Foundations with HTML5 (8th Edition)
Starting Out with C++: Early Objects
- C# Console Application for Minesweeper In this milestone, students will create three classes: Cell, Board, and Program. Create a class that models a game cell. A game cell should have the following properties: a.Its row and column. These should initially be set to -1. b.Its visited boolean value. This should initially be set to false. c.Live boolean value. This should initially be set to false. "Live" set to true will indicate that the cell is a "live bomb" cell. d.The number of neighbors that are "live." This should initially be set to 0. The Cell class should have a constructor, as well as getters and setters for all properties. 3.Create a class that models a game board. A game board should have the following properties: a.Size. The board will be square, where the size includes the dimensions of both the length and width of the board. b.Grid. The grid will be a 2-dimensional array of the type cell. c.Difficulty. A percentage of cells that will be set to "live" status. 4.The Board…arrow_forward7)Circle Class Write a Circle class that has the following fields: radius: a double PI:a final double initialized with the value 3.14159 The class should have the following methods: Constructor. Accepts the radius of the circles as an argument. Constructor. A no-arg constructor that sets the radius field to 0.0. setRadius. A mutator method for the radius field. getRadius.An accessor method for the radius field. area. Returns the area of the circle, which is calculated as area. Returns the area of the circles, which is calculated as area= PI * radius * radius diameter. Returns the diameter of the cirlce, which is calculated as diameter = radius * 2 circumference. Returns the circumference of the circle, which is calculated as circumference = 2 * PI * radius Write a program that demonstrates the Circle class by asking the user for the circles's radius, creating a Circle object, and then reporting the cirlce's area, diameter, and circumference.arrow_forwardEmployee and ProductionWorker Classes Create an Employee class that has properties for the following data: Employee name Employee number Next, create a class named ProductionWorker that is derived from the Employee class. The ProductionWorker class should have properties to hold the following data: Shift number (an integer, such as 1, 2, or 3) Hourly pay rate The workday is divided into two shifts: day and night. The Shift property will hold an integer value representing the shift that the employee works. The day shift is shift 1 and the night shift is shift 2. Create an application that creates an object of the ProductionWorker class and lets the user enter data for each of the object’s properties. Retrieve the object’s properties and display their values.arrow_forward
- Month Class Exceptions Write a class named Month. The class should have an int field named monthNumber that holds the number of the month. For example, Janauary would be 1, February would be 2, and so forth. In addition, provide the following methods: A no-arg constructor that sets the monthNumber field to 1. A constructor that accepts the number of the month as an argument. It should set the monthNumber value to the value passed as the argument. If a value less than 1 or greater than 12 is passed, the constructor should throw an InvalidMonthNumberException. A constructor that accepts the name of the month, such as “January” or “February”, as an argument. It should set the monthNumber field to the correct corresponding value. If an invalid name is passed, the constructor should throw an InvalidMonthNameException. A setMonthNumber method that accepts an int argument, which is assigned to the monthNumber field. If a value less than 1 or greater than 12 is passed, throw an…arrow_forwardTrue or False It is legal to write a class without any constructors.arrow_forwardFocus on classes, objects, methods and good programming style Your task is to create a BankAccount class. Class name BankAccount Attributes _balance float _pin integer Methods init () get_pin() check pin () deposit () withdraw () get_balance () The bank account will be protected by a 4-digit pin number (i.e. between 1000 and 9999). The pin should be generated randomly when the account object is created. The initial balance should be 0. get_pin () should return the pin. check_pin (pin) should check the argument against the saved pin and return True if it matches, False if it does not. deposit (amount) should receive the amount as the argument, add the amount to the account and return the new balance. withraw (amount) should check if the amount can be withdrawn (not more than is in the account), If so, remove the argument amount from the account and return the new balance if the transaction was successful. Return False if it was not. get_balance () should return the current balance.…arrow_forward
- True or FalseThe same rules for naming variables apply to naming classes.arrow_forwardTime This class is going to represent a 24-hour cycle clock time. That means 0:0:0 (Hour:Minute:Second) is the beginning of a day and 23:59:59 is the end of the day. This class has these data members. int sec int min int hourarrow_forwardTrue or false: Just as a class can have multiple constructors, it can also have multiple destructors.arrow_forward
- Rainfall Type Create a RainFall class that keeps the total rainfall in an array of doubles for each of the 12 months. Methods in the programme should return the following values: • the total annual rainfall; • the average monthly rainfall • the wettest month of the year • the month with the least amount of rain Demonstrate the class in its entirety. Validation of Input: Accepting negative amounts for monthly rainfall data is not permitted.arrow_forwardFreezing and Boiling PointsThe following table lists the freezing and boiling points of several substances.Substance Freezing Point || Boiling PointEthyl Alcohol -173 || 172Oxygen -362 || -306Water 32 || 212Design a class that stores a temperature in a temperature field and has the appropriate accessor and mutator method for the field. In addition to appropriate constructors, the class should have the following methods:• isEthylFreezing. This method should return the boolean value true if the tempera-ture stored in the temperature field is at or below the freezing point of ethyl alcohol. Otherwise, the method should return false.• isEthylBoiling. This method should return the boolean value true if the tempera-ture stored in the temperature field is at or above the boiling point of ethyl alcohol. Otherwise, the method should return false.• isOxygenFreezing. This method should return the boolean value true if the tem-perature stored in the temperature field is at or below the freezing…arrow_forwardPersonal Information ProgramDevelop a program, in which you’ll design a class that holds the following personal data: name, address, age, and phone number. As part of the program, you’ll then create appropriate accessor and mutator methods. Also, set up three instances of the class. One instance should hold your information, and the other two should hold your friends’ or family members’ information.Input: data for the following attributes of 3 instances of the Personal Information Class: name, address, age, and phone number NOTE: The input data do not need to be real data; they need to be entered at the keyboard, when program is run.Processing: Develop the following: Personal Information Class A program that creates three instances of the above class Output:Set up a loop and display data within each object: name, address, age, and phone numberarrow_forward
- Database System ConceptsComputer ScienceISBN:9780078022159Author:Abraham Silberschatz Professor, Henry F. Korth, S. SudarshanPublisher:McGraw-Hill EducationStarting Out with Python (4th Edition)Computer ScienceISBN:9780134444321Author:Tony GaddisPublisher:PEARSONDigital Fundamentals (11th Edition)Computer ScienceISBN:9780132737968Author:Thomas L. FloydPublisher:PEARSON
- C How to Program (8th Edition)Computer ScienceISBN:9780133976892Author:Paul J. Deitel, Harvey DeitelPublisher:PEARSONDatabase Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781337627900Author:Carlos Coronel, Steven MorrisPublisher:Cengage LearningProgrammable Logic ControllersComputer ScienceISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education