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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
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- This is a new homework assignment. Fill in the blanks.PLEASE ENSURE TO USE THE FRAMEWORK PROVIDED IN THE IMAGES, AND THAT IT WORKS WITH THE TESTER CLASS. PLEASE EDIT BOTH THE TEST CLASS, DO NOT EDIT THE MAIN METHOD. Write a BankAccountTester class whose main method constructs a bank account, deposits $1,000, withdraws $500, withdraws another $400, and then prints the remaining balance. Also print the expected result.Prompt We have learned how to use accessor and mutator methods to access private class member data. It is possible to instead make the class members public, which would allow other programs to directly retrieve and modify the class member data without needing to write the accessor and mutator methods. This is usually considered bad practice. Why do you think that is? What do you think the benefits are to writing accessor and mutator methods instead of just leaving the variables public? Below is the definition for a class called Counter. Define a new method for this class called "findDifference". This method should take another Counter object as an argument and return the difference in the counts between the counter being called and the one passed as an argument. The difference should be given as an absolute value (not returned as a negative). See below the class definition for examples of this method being used. public class Counter {private int count;public Counter() {count =…
- For your final project, you will simply calculate the correct change due after purchase. In our previous assignment, we calculated quarters change in a void function. Here we are doing value returning functions. Do not overcomplicate this. I have provided ample instructions and hints. Plan your mode of attack before you start. If you need assistance, refer first to the hands-on exercise and tutorial you completed on Value Returning Functions in Kotlin in the Methods module. After that, ask me! 1. Create a local double variable called change and set it to a test value (e.g. 44.77) 2. Create five separate functions dollars0, quarters(), dimes(), nickels() and pennies(). 3. Each function will - accept a double amount as an argument - calculate and display that denominations number (e.g. 7 Dollars) - then return the recalculated change (e.g. 0.67) In Kotlin, the function signature for quarters would be: quarters(myChange: Double): Double For this to work, you will need to work from the…It implies testing in a "BLACK Box." What different variants exist on this theme?Thank you for any assitance that you can provide. Need help with the following: Include comments at the beginning of each class that explain the purpose and functionality. Added additional error checking/validation mechanisms to ensure balance cannot be set to negative. Program now handles overdraft fees separately from withdrawals. Modified the logic to deduct the fee first and then proceed with the withdrawal. Override the toString method from the AccountBank class to provide a more standardized and convenient way of displaying the account information. Included some test cases in the Main class to demonstrate the functionality of the implemented classes. Java source code: Bank Account Class package bankAccount;public class AccountBank { //Variables private String firstName; private String lastName; private int accountID; private double balance; public AccountBank() { this.balance = 0; } public AccountBank(String firstName, String lastName, int…
- Testing in a "BLACK Box" is what it means. What are the several variations on this theme?Add comments as appropriate. Be sure that your program output is neatly presented to the user. Add documentation comments to your functions. You are going to change the class you created in Program7 so that it has a constructor and some properties. In your GeoPoint class make the following changes (note your variable, parameter and method names may be different. Adjust as needed.): Add a constructor __init__(self, lat=0, lon=0,description = ‘TBD’) that will initialize the class variables __lat ,__lon and the __description. Notice that the constructor will also default lat and lon to zero and description to ‘TBD’ if they are not provided. Change the SetPoint method so that instead of individual coordinates SetPoint(self, lat, lon) it takes a single sequence. Add a property: Point = property(GetPoint,SetPoint). Make sure GetPoint and SetPoint are the names you used for the get and set methods you already wrote for points. Add another property: Description = property(GetDescription,…Hello please help me with my assignment thank you
- Create an object of class LabClass. As the signature indicates, you need to specify the maximum number of students in that class (an integer).Must be written in Python. Please include docstring and show how output should look like. Remember that all data members should be private. An object can access it's own private data members directly. It can also access the private data members of other objects of the same class directly. But when accessing a private data member of an object of another class, it needs to call the appropriate get method. If that sounds complicated, just remember this: if a method is in the same class as a private data member, then it can access that data member directly, otherwise, it needs to use a get method. Write a class named Point that has two data members, x_coord and y_coord, representing the two coordinates of the point. It should have: an init method that takes two arguments, an x-coordinate and y-coordinate (in that order), and uses them to initialize the two data members. get methods for the two data members: get_x_coord and get_y_coord. a method named distance_to that takes a Point object…Thank you much. The code doesn't return the right answers for the test cases. Is there a way to fix?