What is the concept of binding? Differentiate between early binding and late binding. (Write in maximum 5 lines)
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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:
- What is the concept of binding? Differentiate between early binding and late binding. (Write in maximum 5 lines)
- Write a Java operator/keyword, which can be used to check the validity of reference before attempting down-casting from superclass object to subclass reference. Given an example of it usage. (Write in maximum 5 lines)
Step by step
Solved in 2 steps
- Do all please. (a) Provide an example of a constructor method being overridden? (b) Describe Dynamic Binding as related to Class loading? (c) What is the role of a class loader? (d) What are two benefits of the Bytecode verification system?(b) Describe Dynamic Binding as related to Class loading? (c) What is the role of a class loader?a. What is the concept of binding? Differentiate between early binding and late binding. (Write inmaximum 5 lines) [5 Marks]b. Write a Java operator/keyword, which can be used to check the validity of reference before attemptingdown-casting from superclass object to subclass reference. Given an example of it usage. (Write inmaximum 5 lines)
- 13) What is the purpose of polymorphism in Java? To provide encapsulation of data and methods To allow objects of different classes to be treated as if they are of the same class To define behavior of a class To provide access to interface methods 14) True or False Polymorphism allows objects of different classes to be treated as if they were of the same class.Write a Java operator/keyword, which can be used to check the validity of reference before attempting down-casting from superclass object to subclass reference. Given an example of it usage. (Write in maximum 5 lines) Assume you have a method expecting the superclass's object to be passed as an argument. In this case, if you give it an object of subclass rather than superclass. Is it acceptable? Why or why not? (Write in maximum 5 lines)Instructions-Java Assignment is to define a class named Address. The Address class will have three private instance variables: an int named street_number a String named street_name and a String named state. Write three constructors for the Address class: an empty constructor (no input parameters) that initializes the three instance variables with default values of your choice, a constructor that takes the street values as input but defaults the state to "Arizona", and a constructor that takes all three pieces of information as input Next create a driver class named Main.java. Put public static void main here and test out your class by creating three instances of Address, one using each of the constructors. You can choose the particular address values that are used. I recommend you make them up and do not use actual addresses. Run your code to make sure it works. Next add the following public methods to the Address class and test them from main as you go: Write getters and…
- 1. Fill in the blanks in each of the following statements:a) If a class contains at least one abstract method, it’s a(n)____________class.b) Classes from which objects can be instantiated are called ____________classes.c) ___________ involves using a superclass variable to invoke methods onsuperclass and sub-class objects, enabling you to “program in the general.”d) Methods that are not interface methods and that do not provideimplementations must be declared using keyword ______________.hi it's been 6 days now I still haven't got an answer to the previous question which is: ("Hi, can you include all OOP concepts (Encapsulation, Inheritance, Abstraction, Polymorphism) and also include Exception handling?")Kindly Solve this C++ question as per the instructions. Thank you for your help! Instructions: 1- Put the class definition in Flight.h and the implementation of the constructors and functions in Flight.cpp Implement the Flight.h and Flight.cpp so that class Flight contains: 4 private instance variables: Name of data type string, which describe the three electric vehicle charger types (AC975, DL521, and AC863). Destination of data type string that shows the final destination of that flight. Hour and Minute of data type int that show the departure time. A default constructor which sets all of the numeric instance variables to zero and the String instance variables to null. A constructor with 4 parameters that sets the 4 instance variables to the corresponding values passed. Implement an accessor method for each information (Flight name, Flight destination, and Flight Time) that will return the value of the instance variable. For example, the getX() method for the instance variables…
- Overriding a superclass function means we can change the throws clause. Is this possible?Practice overriding. In a main, build an object of that class, and print out the object using System.out.println(). Notice that this simply reports the memory address of the object in question, and we’d like to do something more useful. To replace (or override) the toString (or equals) function. We build another toString function to override the other one that also prints out the make, model, and odometer reading for a vehicle object. Reuse your Car class in the last exercise. public class Car { //instance variables private int odometer; private String make; private String model; //overloading //constructors public Car(int odometer,String make, String model) { this.odometer = odometer; this.make = make; this.model = model; } public Car(String make, String model) { this.make = make; this.model = model; } public Car(String make) { this.make = make; } /* *getter & setter methods */…5. Is it compulsory for a class, which has been declared as abstract, to have at least one abstract method?