Vehicle is an abstract class, Car is a subclass of Vehicle. Both Vehicle and Car classes have default constructors. Which of the following statement is valid? O a. Vehicle vl = new Vehicle(); O b. Car cl = new Vehicle Car (); O c. Car cl = new Vehicle(); O d. Car cl = new Car();
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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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- Sanchez Construction Loan Co. makes loans of up to $100,000 for construction projects. There are two categories of Loans—those to businesses and those to individual applicants. Write an application that tracks all new construction loans. The application also must calculate the total amount owed at the due date (original loan amount + loan fee). The application should include the following classes: Loan—A public abstract class that implements the LoanConstants interface. A Loan includes a loan number, customer last name, amount of loan, interest rate, and term. The constructor requires data for each of the fields except interest rate. Do not allow loan amounts greater than $100,000. Force any loan term that is not one of the three defined in the LoanConstants class to a short-term, 1-year loan. Create a toString() method that displays all the loan data. LoanConstants—A public interface class. LoanConstants includes constant values for short-term (1 year), medium-term (3 years), and…NewspaperSubscriber class- create an abstract class named NewspaperSubscriber with attributes to contain the subscriber’s street address and the subscription rate. Include get and set methods for both these attributes. The set method for the rate is abstract. The setAddress method must prompt the user to enter the subscriber’s address through the use of a dialog box. Create a constructor for the base class. Create a toString() method that concaternates and returns the subscriber’s street address and rate for display. Create 3 child classes named SevenDaySubscriber, Weekday Subscriber, and Weekend Subscriber. Each child class has an additional attribute called subType, which is a String, that will store the type of newspaper subscription. Create a setType method that will set the type of subscriber as follows: “Seven Day”, “Weekday”, or“Weekend”. Create a setRate method for each child class that sets the rate as follows: a SevenDaysubscriber pays R18.00 per week for his newspapers, a…Sanchez Construction Loan Co. makes loans of up to R100,000 for construction projects. There are two categories of Loans—those to businesses and those to individual applicants. Write an application that tracks all new construction loans. The application also must calculate the total amount owed at the due date (original loan amount + loan fee). The application should include the following classes: •• Loan—A public abstract class that implements the LoanConstants interface. A Loan includes a loan number, customer last name, amount of loan, interest rate, and term. The constructor requires data for each of the fields except interest rate. Do not allow loan amounts greater than R100,000. Force any loan term that is not one of the three defined in the LoanConstants class to a short-term, 1-year loan. Create a toString() method that displays all the loan data. •• LoanConstants—A public interface class. LoanConstants includes constant values for short term (1 year), medium-term (3 years),…
- In a class with overloaded constructors, each version of the constructor must have a differentIn order to use the assignment operator on an instance of a class data type, it must be overloaded. Group of answer choices True FalseSanchez Construction Loan Co. make loans of up to R100, 000 for construction projects. There rea two categories of Loans – those to business and those to individual applications. Write an application that tracks all new construction loans. The application must also calculate the total amount owed at the due date (original loan amount + loan fee). The application should include the following classes: Loan: An abstract class that implements the LoanConstants interface. A Loan includes a loan number, customer last name, amount of loan, interest rate, and term. The construct requires data for each field except interest rate. Do not allow loan amount over R100.000. Force any loan term that is not one of the three defined in the LoanConstants class to a short-term, 1-year loan. Create a toString() method that displays all the loan data. LoanConstants: An interface class, LoanConstants include constant values for short-term (1 year), medium-term (3 year), and long-term (5 years) loans.…
- T/F: Instance variables are shared by all the instances of the class. T/F: The scope of instance and static variables is the entire class. They can be declared anywhere inside a class. T/F: To declare static variables, constants, and methods, use the static modifier.Sanchez Construction Loan Co. make loans of up to R100, 000 for construction projects. There rea two categories of Loans – those to business and those to individual applications. Write an application that tracks all new construction loans. The application must also calculate the total amount owed at the due date (original loan amount + loan fee). The application should include the following classes: Loan: An abstract class that implements the LoanConstants interface. A Loan includes a loan number, customer last name, amount of loan, interest rate, and term. The construct requires data for each field except interest rate. Do not allow loan amount over R100.000. Force any loan term that is not one of the three defined in the LoanConstants class to a short-term, 1-year loan. Create a toString() method that displays all the loan data. LoanConstants: An interface class, LoanConstants include constant values for short-term (1 year), medium-term (3 year), and long-term (5 years) loans.…Parent Class: Food Write a parent class called Food. A food is described by a name, the number of grams of sugar (as a whole number), and the number of grams of sodium (as a whole number). Core Class Components For the Food class, write: the complete class header the instance data variables a constructor that sets the instance data variables based on parameters getters and setters; use validity checking on the parameters where appropriate a toString method that returns a text representation of a Food object that includes all three characteristics of the food Class-Specific Method Write a method that calculates what percent of the daily recommended amount of sugar is contained in a food. The daily recommended amount might change, so the method takes in the daily allowance and then calculates the percentage. For example, let's say a food had 6 grams of sugar. If the daily allowance was 24 grams, the percent would be 0.25. For that same food, if the daily allowance was 36 grams, the…
- Default constructors are inherited from the base class, thereby eliminating the need for derived classes to define their own default constructors. O True O FalseRemaining Time: 35 minutes, 18 seconds, ¥ Question Completion Status: A class named Account is defined as the following. class Account } private: int id; double balance; public: //A constructor without parameter that creates a default account with id 0, balance 0 Account): /A constructor with the parameter that setting the id and balance Account(int, double), int getId); / return the ID double getBalance() //return the balance void withdraw(double amount) // the amount will be withdrawn void setlID(int), //set the ID void setBalance (double) //set the balance }: Assume that we will create a separate file of implementation of the function definition for the questions a) -b) a) Write a construction function definition with two parameters (ID and balance). b) Write a function definition of the function declaration (void withdraw(double amount):). c) Creates an Account object with an ID (1122) and balance ($20000). Then, write source codes to withdraw $2 MacBooA class is made abstract by declaring that class virtual. T/F