java Which one of the following is not an access modifier (ignore upper case)? Public Private Protected Void
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- 1) In Java, you can use the ____ keyword to indicate that a class should inherit from another class 2) Which of the following statements is true about method overloading in Java? A subclass can overload a method of its superclass. A subclass cannot overload a method of its superclass. None A subclass must overload all methods of its superclass. 3) Which of the following statements is true about method overriding in Java? None A subclass can override a private method of its superclass. A subclass can override a static method of its superclass. A subclass must override all methods of its superclass. 4) True or False Inheritance allows a subclass to inherit properties and methods from a superclass 5) True or False A class can implement multiple interfaces. 6) What is the syntax for extending a class in Java? class Superclass extends Subclass class Subclass extends Superclass None class Subclass implements Superclass 7) Which of the following is an example of inheritance in Java? A class…JAVA PROGRAMMING - Create a class named Person that has the attributes: First name - String Last name - String Gender - String Age - Integer Address - String - Create two constructors: one that accepts the first name and the last name only and one that accepts all attributes. Accept inputs for all attributes and create two subjects that use each constructor. Print their attributes. Inputs: 1. Enter first name 2. Enter last name 3. Enter gender 4. Enter age 5. Enter address Output: Enter first name: John Enter last name: Doe Enter gender: Male Enter age: 19 Enter address: JDoe Object 1 First Name: John Last name: Doe Gender: Age: Address: Object 2 First Name: John Last name: Doe Gender: Male Age: 19 Address: JDoeProblem Description and Given Info For this assignment you are given the following Java source code files: IStack.java (This file is complete – make no changes to this file) MyStack.java (You must complete this file) Main.java (You may use this file to write code to test your MyStack) You must complete the public class named MyStack.java with fields and methods as defined below. Your MyStack.java will implement the IStack interface that is provided in the IStack.java file. You must implement your MyStack class as either a linked list or an array list (refer to your MyArrayList and MyLinkedList work). Your MyStack must not be arbitrarily limited to any fixed size at run-time. UML UML CLass Diagram: MyStack Structure of the Fields While there are no required fields for your MyStack class, you will need to decide what fields to implement. This decision will be largely based on your choice to implement this MyStack as either an array list or a linked list. Structure of the Methods As…
- 5. Declare a class called coordinate. This is to represent 3 dimensional Cartesian coordinates (x, y and z).Define the following methods cumulatively in Java cumulatively:a. Constructorb. Display, to print values of membersc. Add_coordinates, to add three such coordinate objects to produce a resultant coordinate object.Generate and handle exceptions if x, y and z coordinate of the result are zero.d. Main, to show use of the above methods.Java Program This assignment requires one project with two classes. Class Employee Class Employee- I will attach the code for this: //Import the required packages. import java.text.DecimalFormat; import java.text.NumberFormat; //Define the employee class. class Employee { //Define the data members. private String id, lastName, firstName; private int salary; //Create the constructor. public Employee(String id, String lastName, String firstName, int salary) { this.id = id; this.lastName = lastName; this.firstName = firstName; this.salary = salary; } //Define the getter methods. public String getId() { return id; } public String getLastName() { return lastName; } public String getFirstName() { return firstName; } public int getSalary() { return salary; } //Define the method to return the employee details. @Override public String toString() { //Use number format and decimal format //to…Hello, hope you’re having a great day. Can you please solve question 1 for this Java program: The following is the class definition for getAverage. This class has four (4) members: • one private instance variable answer • two private methods askQuestion and checkResponse • one public method trigger • this is only public member for the class • it is a non-static method • it calls other two private methods Question 1- Write a Java application program named getAverageApp.java to invoke the method trigger defined in this class. Note: please write the program in a compact form since there are only six text lines in the answer area
- Create a java class name is Bugs that have Instance variables Constructors Automatic code generation Accessor Methods Mutator Methods move method turn method Bug Class: a bug has a code, original location at a point with integer coordinates, faces north, east,south, or west and keeps a record of all its current movement position. The class generate a uniquecode for each new “bug” object created starting with value “b-100”. It also includes the followingmethods:- A default constructor that initializes bug’s code to “b-xxx”; where “xxx” is the next codesequence number in the class, positions to (0,0), and direction to WEST.- A constructor that is given bug’s information: starting location, facing direction and generatesbug code similarly to the default constructor.- Accessor methods to access all the instance variables and the simulated movements of thebug.- Mutator methods that change the instance variables to given values and they make the changefor only suitable values.- turn method…Objectives: Use Javadocs to document a class and methods Design and write a Java class Use fields (instance variables) Write multiple constructors Write accessor methods Write mutator methods Use the this keyword Use string concatenation Round floating point numbers (using Math.round()) Use a Scanner object Description ProduceItem class For this project, you get to design and write a ProduceItem class that stores a description, cost and weight as fields. Include both a constructor without any parameters and one with parameters for the description (String), cost (double) and weight (double) (in that order). For the constructor without parameters, set the description to an empty string, the cost to 0.0 and the weight to 0.0. Include appropriate accessor and mutator methods (and label them with comments including the terms "accessor" or "mutator"). So that the test cases compile, name the accessor methods: getDescription() getCost() getWeight() Additionally, name the mutator methods:…Create a short program in Java which contains the below information: - Has one abstract and two regular classes - Has two interfaces (the two regular classes have to implement at least one interface - At least one regular class must implement both interfaces - The two classes have to extend the abstract class - The abstract class must have a method - At least one interface must have a method - At least two fields in each class, this includes the superclass - All fields are instantiated within the constructor
- Subject: Object Oriented PrgrammingLanguage: Java ProgramTopic: Exception Method withdraw throws an exception if amount is greater than balance. public class Account{ private String accntNumber; private String accntName; private double balance; public Account(){} public Account(String num, String name, double bal){ accntNumber = num; accntName = name; balance = bal; } public double getBalance(){ return balance;}}//your class hereUsing Java Language: DESCRIPTION The goal is to create a library called DisneyPlus, which hosts Movies and Books, and then to be able to view information such as the best movie (based on score), the most expensive book, all the movies in which an actor has acted. The classes you need to define are Consumer, User, Category, Asset, Book, Movie, DisneyPlus. Apart from these, you do not need to define any classes. You can use any built-in method or structure that you think will work for you. QUESTION Define a class named Consumer. id:int birthYear:int, salary:int, firstName:string, lastName:string, ------------------------------------------------------------------------------- Define a class named User and inherite it from the Consumer class. loginStatus:boolean; //if user signed in set true. Default value is false userName:string; password:string; User(id,firstName,LastName,userName,password); -------------------------------------------------------------------------------…Explain each part of the Pseudocode below: START Public Class BankingSystem Declarations string accname double balance = 0 int pin, userpin, newpin void create() void dispbalance() void withdraw() void pinchange() void deposit()EndClass void BankingSystem::create print “Enter Your Name: ” Cin.ignore Getline(cin, accname) print “Enter Your Pin: “ Input user pin Void BankingSystem::pinchange print “Input old Pin: “ Input userpin If (pin == userpin) print “Enter new pin: “ Input newpin pin = newpin print “Your pin was successfully changed” Else print “Please re-enter old pin” void BankingSystem::dispbalance print “Enter your pin: “ Input userpin If (pin == userpin)…
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