The process by which objects of c acquire the properties of objects class is known as
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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:
Step by step
Solved in 3 steps
- A new class of objects can be created conveniently by —----------the new class (called the subclass) starts with the characteristics of an existing class (called the superclass), possibly customizing them and adding unique characteristics of its own.True/False 7. A superclass inherits behaviors from its subclasses.Make a class Person, with instance variable name, age, and gender. Make a class Employee inheritfrom Person, with extra data for salary, and hiring date. Make another class Student inherit from Person,with data for program name, level (undergraduate/graduate), and program year. Supply required methods forthe superclass and the subclasses. Make a subclass Manager from Employee, with bonus salary, andoverride the corresponding method(s). Provide toString method for the Employee class and its subclass,Manager, such that it returns employee name, type of the employment, and salary. For instance if you createan object, manager1, from Manager class, with name=”John Smith” and annual salary of $125,000 and bonusweekly bonus of $200, and then write a print statement like System.out.println(manager1); , the output willbe:John Smith, Manager, Salary = $125,000/year, Weekly bonus = $200
- Distinguish the difference between declaring one class as a friend of another class (object aggregation) and declaring one class as a member of another class (membership aggregation) (object aggregation).Class A is a subclass of B. The statement A myA = new A(); B myB = myA compiles successfully. This statement shows the concept of inheritance. True or FalseTrue or False ___(7) An object can be created from an interface. ___(8) An object in a super class can be assigned to a subclass variable. ___(9) Overriding and overloading a method is the same.
- (Java) Make the 2 following classes: Employee.java EmployeeTest.java Copy and paste the below starter code into Employee.java: /** * Employee.java extends Person.java * @author * CIS 36B, Activity 11.1 */public class Employee extends Person { private static int numEmployees = 0; private double salary; private String title; /** * Default constructor for the * Employee class. Calls the * default constructor of the * superclass and also initializes * salary and title to default * values */ public Employee() { } /** * Multi-argument constructor for the * Employee class. Calls the * multi-argument constructor of the * superclass and also initializes * salary and title to the * specified values */ public Employee(String name, int age, String gender, Address a, double salary, String title) { } /** * Returns the annual salary * @return the salary */ public double…Object Oriented Programming (Java): True or False Statements with one line reasoning: 1. The implementation of inheritance always involves writing a few less lines. 2. The following class declaration is incorrect: public final class Class extends OtherClass {...} 3. Inheritance is only useful if specialization is used. In fact, specializing we inherit in the subclass (or subclasses) members of the superclass that we must not rewrite. Instead with the generalization we create an extra class, and then we write more code. 4. The super keyword allows you to call superclass methods and constructors. The keyword this allows you to call methods and constructors of the same class. 5. Multiple inheritance does not exist in Java because it does not exist in reality.The Robot class models the state and behavior of virtual robots. Each robot corresponds to an object that is an instance of this class. Each robot: properties: Has a modelNumber (int) Has a direction(String): given by the direction attribute that takes one of the values "North", "East", "South" or "West" Has a makeYear (int): the year the robot was made. Methods: Can turn left 90 ° to change direction (if its direction was "North" it becomes "West", if it was "West" it becomes "South", if it was "South" it becomes "North", etc.). with the method without parameter turnLeft () Can display its detail with the method myInfo().
- Instructions JAVA LANGUAGE The Factory Method pattern provides an interface for creating objects in a superclass but allows subclasses to alter the type of objects to be created. Use NetBeans to create a Java program that implements this design pattern. Name your project TestFactory. Create an abstract superclass named Laptop. Any subclass of an abstract class must either implement all of the abstract methods in the superclass or be declared abstract itself. Copy the code below. abstract class Laptop { public abstract int getRAM(); public abstract int getSSD(); public abstract String getCPU(); public String toString() { return "RAM="+this.getRAM()+"GB, SSD="+this.getSSD()+", CPU="+this.getCPU(); } } Create a subclass named Minimum that extends your superclass. In this class, declare three (3) private variables with the following names and data types: ram (int) ssd (int) cpu (String) Copy the code below for the constructor of your Minimum class. This constructor has…A subclass of an abstract class must be able to do all of the things the parent class can do. True or not?Create a subclass of the Employee class from Question 2 named ShiftSupervisor. Add the salary and bonus attributes to it, and override_init_and_str_accordingly. Add the appropriate accessor and mutator methods and check the functionality by prompting a user to input the data for a Shift Supervisor object. Use_str__ to print the result.
