Write a Number class that holds a double, and add overloaded operators for +, –, *, /, and assignment. Choose the return values for these functions so that expressions can be chained together, and for efficiency. Write an automatic type conversion operator int( ).
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- Operator overloading can’t be applied to following operatorsA. Class member access operators (., .*)B. Sizeof C. Conditional operators (?:)D. Pointers (*)Need help in Java programming. Write the class definitions for all classes. Be sure to include all properties and two getters and setters for each class. One of the getters and setters should be for a string datatype, and one for either a numeric or Boolean data type. At a minimum the following classes need to be defined: Customer (CustID, LastName, FirstName, Street, City, State, Zip, TaxExempt) Inventory (ItemID, Description, Cost, Selling Price, Quantity On Hand) Order Header (OrderID, CustID, OrderDate, Shipto, Amount Due) Order Detail (OrderID, Line Number, ItemID, Quantity Ordered, Selling Price, Total)Novice: How can i access a main class objects from outside the function? / Better Alternative? If i have 4 Student objects how can i print the information for the specific object given one parameter about the class, like the students Idnumber. What i came up with was making a checkId void function that takes the user input and runs an if else chain checking if the Id belongs to student 1-4 then printing the details of that classes object with the void function print. ideally i would want the if-else chain in the checkId function to call the print( student1-4) class object but im not sure how to properly do that. i dont think this is the best way to go about it, if you have any recommendations or alternatives please help me out.
- Using Cpp/C++ Create an Account class that a bank might use to represent customers’ bankaccounts. Include a data member of type int to represent the account balance. [Note: In subsequentchapters, we’ll use numbers that contain decimal points (e.g., 2.75)—called floating-point values—to represent dollar amounts.] Provide a constructor that receives an initial balance and uses it to initializethe data member. The constructor should validate the initial balance to ensure that it’s greaterthan or equal to 0. If not, set the balance to 0 and display an error message indicating that the initialbalance was invalid. Provide three member functions. Member function credit should add anamount to the current balance. Member function debit should withdraw money from the Accountand ensure that the debit amount does not exceed the Account’s balance. If it does, the balanceshould be left unchanged and the function should print a message indicating "Debit amount exceededaccount balance." Member…can someone help me with this problem in C++ In this exercise, you will work with 3 classes: Shape, Triangle and Rectangle. The first class is the class Shape. The Shape class has two float type properties: center_x and center_y. The Shape class also has the following methods: a constructor Shape(), that will set center_x and center_y to zero. set/get functions for the two attributes 1) You need to implement two additional functions for Shape: setCenter(float x, float y), that will set the new center and print: Figure moved to [<center_x>, <center_y>] draw(), that will print: Drawing Figure at [<center_x>, <center_y>] 2) You will have to implement another class, called Triangle, which inherits from the Shape class. The Triangle class has one int attribute: side. The Triangle class has the following methods: a constructor that will receive one int parameters (side) set/get for its attribute setCenter(float x, float y), that will set the new center and…What are the three things that you must do for classes with pointer member variables.
- In number theory, a value can be categorized as a natural number (a whole number >0, often denoted ℕ), an integer (zero or a positive or negative whole number, including the natural numbers, often denoted ℤ), or a real number (which includes the natural numbers and integers, along with all other positive and negative numbers that are not integers, often denoted ℝ). a) write a definition for a number class that contains: (i) A single field suitable for storing either a natural number, or an integer, or a real number; (ii) Setter and getter methods for manipulating this field; (iii) A constructor that initializes new objects of number to have the value 1 (unity); (iv) a method that determines which kind of number is currently stored (returning 0 if the number is real and an integer and a natural number, 1 if the number is real and integer but not a natural number, and 2 if the number is real but neither an integer nor a natural number) Java code neededRewrite the calculator program using a class called calculator. Your program will keep asking the user if they want to perform more calculations or quit and will have a function displayMenu to display the different functions e.g .(1 - addition, 2- subtraction, 3- multiplication, 4- division) Your program must have appropriate constructors and member functions to initialize, access, and manipulate the data members as well as : A member function to perform the addition and return the result A member function to perform the subtraction and return the result A member function to perform the multiplication and return the result A member function to perform the division and return the resultWrite ONLY Header (No body{}) of function for each question. You can use any valid variable name for the input parameters. Assume that the following is a tester program of GameObject class, and answer the questions. int main (){ GameObject player (3, 100, 'M'); GameObject enemy (4, 100, 'F'); player.print(); } Guess the GameObject class and functions from the code above, and write the header of constructor. You can use any valid variable name for the input parameters
- problem statement: Write a java classStringCheckto do the below given checks on accepted string or strings. Each function should be coded in separate methods of the class. Give appropriate instance variables to implement the method. The user should be able to enter the string through the main function in Main class. Use a constructor to initialize the String entered by the user. Use the Main class to test all the methods in StringCheckclass. The programs should have the below given checklist: 1)Define classStringCheck with required instance variables 2)The StringCheck class should have six methods to do the below functions: *Check if the user entered string is a simple sentence? (Starts with capital letter, Ends with period, space between words). *Check if the user entered string is a question? (Check if the string starts with ac apital letter ends with a question mark, space between words) *Check if the user entered string have numbers in it? *Check if string is a valid email *Check…what is the output? Find all the errors in the following code, and describe how to fix each error. You can assume that the constructors and member functions are defined elsewhere and they do not have any errors. class Base { public: Base(string) const; virtual void printX() const = 0; private: string x; }3; class Derived : public Base { public: Derived(string, int) const; virtual void printY() const; private: int y: }: int main() { Derived obj{ "abc", 2 }; cout << "x is: "<< obj.printX()<< endl; cout << "y is: "<< obj.printY()<< endl; } 11 111- Write a class that allows you to define complex numbers in C++ and call it complex. The class contains two private members named real and img. It also has a constructor to initialize its members to values other than zero. Then, write a four methods that implement the basic mathematical operations (+,-.*/) for two complex numbers. 2- The purpose of the method resize() in the IntegerArray class below is to dynamically change the size of the IntegerArray instance. This methid is implemented as follows: 1. create a new array with the desired size 2. copy the data form the old to new one 3. delete the old data 4. Make the old data pointer points to the newly created data 5. update the size field your task is to write the resize() method based on the above five steps. #include int main() { IntegerArray a(2); using namespace std; class IntegerArray { public: a.data[0] = 4; a.data[1] = 2; int *data; a.resize(5); int size; cout size = size; } -IntegerArray() { delete[] data; } void…
