Tell whether each of the following identifiers is valid or invalid.
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- Help, I making a elevator simulator. I have to use polymorphism and object oriented programming to write this code. Can someone please help me improve this code I have. The remaining code is in the pictures. Any help is appreciated. Thank You! The simulation should have 4 types of Passengers: Standard: This is the most common type of passenger and has a request percentage of 70%. Standard passengers have no special requirements. VIP: This type of passenger has a request percentage of 10%. VIP passengers are given priority and are more likely to be picked up by express elevators. Freight: This type of passenger has a request percentage of 15%. Freight passengers have large items that need to be transported and are more likely to be picked up by freight elevators. Glass: This type of passenger has a request percentage of 5%. Glass passengers have fragile items that need to be transported and are more likely to be picked up by glass elevators. The simulation should also have 4 types…Following programs contain syntax/logical errors. Underline the error and explain precisely the cause of the error to get any credit. Just underlining will not be given credit. [2.5x2=5] i. interface P{ void fun(int x) ; } ------------------------ class S implements P{ public void funny(){ System.out.print(“OOP is funny”); } public static void main(String args[]){ S s1 = new S(); s1.funny() } } ii. public class A{ int x; void A(int x) { this.x=x; System.out.println("in Class A"); } public static void main(String[] args){ new A(5); }Indicate whether each of the following C# programming language identifiers is legal or illegal. If it is legal, indicate whether it is a conventional identifier for a class. electricBill ElectricBill Electric bill Static void #ssn Ay56we Theater_Tickets 212AreaCode heightInCentimeters Zip23891 Void
- public class worksheet3_1 { public static void main(String[] arg) { ShadowingExample example = new ShadowingExample(); example.x = 99; example.sampleMethod(); }}class ShadowingExample { int x; public void sampleMethod() { int x = 0; System.out.println("the value of local variable x = " + ………………………………………………); System.out.println("the value of instance variable x = " + …………………………………………); }} what should be written in the second print statement so that the output is: the value of instance variable x = 99 what should be written in the first print statement so that the output is: the value of local variable x = 0 options are: samplemethod.x this.x shadowingexample.x x Answer 1 Question 1Create a simple illness Check-up Java program. This program must implement encapsulation and polymorphism. Example: System: Good day. What can we do for you? User: I am sick. System: These are the available services Pediatric Pulmonary Internal Medicine Simple consultation The program must implement encapsulation and polymorphism.Please help answer this Java multiple choice question. You are working with a video game where World War 1 airplanes have a dogfight. You need to create multiple instances of airplanes. In proper object-oriented design how do we create multiple airplanes? Group of answer choices A. You should create an Airplane constructor that takes input to create two airplanes, as follows:public Airplane(double longitudeF double latitudeF, double heightF, Team teamF, double longitudeE, double latitudeE, double heightE, Team teamE){ //assume you properly initialize all class variables here} B. You should invoke the constructor for Airplane multiple times. Something like the following example:Airplane friendlyPlane1 = new Airplane(longitudeFriendly, latitudeFriendly, heightFriendly, teamFriendly);Airplane enemyPlane1 = new Airplane(longitudeEnemy, latitudeEnemy, heightEnemy, teamEnemy); C. Object-oriented design suggests we represent multiple objects as a linked list. You should create a…
- Create java code a new class called "Module" in which you add the following attributes: Code Name Number_students 2.Create another class called principle_program in which you create two instances of the class Module called ITP and POP. class principle_program { public static void main(String args[]) { //create two instances of the class Module } }need help writing and fomatting pseudocode rom java code using conditional statements if, then else else if etc /** * */ /** * @author bernadettecam_snhu * */ public class Pet { // Attributes /* Instance variables are private. This means that only the object of the class can access * the values of the private data. */ private String petType; private String petName; private int petAge; private int dogSpaces; private int catSpaces; private int daysStay; private double amountDue; /** * @param args */ /* Constructor declaration of class with parameters. * Constructors are public and contain the same name as the class. */ public Pet(String petType, String petName, int dogSpaces, int catSpaces, int petAge, int daysStay, double amountDue) { this.petType = petType; this.petName = petName; this.petAge = petAge; this.dogSpaces = dogSpaces; this.catSpaces = catSpaces; this.daysStay = daysStay;…1. Object-Oriented concept 2. Interface 3. Inheritance 4. Use scanner class Write a code that converts binary to decimal and decimal to binary. Then by using the arithmetic equation add, subtract, multiply, divide binary numbers as well as a decimal number. It is a must to use object-oriented concepts.
- Differentiate the following two functions in bullet points (when and how to use, definition and declaration)? Static function Friend function NOTE:subject:object oriented programming(oop) Deptt:CS/ITData structure & Algrothium java program Santa Claus allegedly keeps list of those are naughty and those who are nice. On the naughty list are the names of those who will get coal in their stockings. On the nice list are those who will receive gifts. Each object on this list contains a name and a list of that person's gifts. Create the following classes: 1. Name.java object class containing two strings attributes first name and last name (and appropriate constructors, setters/getters)2. NicePerson.java object class containing the name object and an ArrayList of string to store the list gifts ( and appropriate constructors, setters/getters). This class would extend the attached NicePersonInterface.java3. Santa.java object class containing one ArrayList of Names to store the naughty names. Another ArrayList of NicePerson to store the nice names and gifts. Add atleast 4 names in each list and display all information.Q.2.3 Explain what it means when a module is said to be functionally cohesive. Q.2.4 Convert the following pseudocode into a class diagram. class Weapon Declarations string make string model string serialNumber string countryOfOrigin void setMake (string manufacturer) set make = manufacturer return string getMake() return make endClass
