class Employee { String name; double salary; public Employee() { }
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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:
in java language...
- Draw the UML diagram of the following class:
public class Employee {
String name;
double salary;
public Employee() {
}
public double getSalary() {
return this.salary;
}
public String getName() {
return this.name;
}
}
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- JAVA CLASS AND OBJECT JAVA JAVA JAVA Write a java program/code of the given problems below: abstract class Animal { // abstract methods abstract void move(); abstract void eat(); // concrete method void label() { System.out.println("Animal's data:"); } } 1.) Modify the abstraction example code above by adding another class “TestCarabao” with the necessary methods “label, move, and eat”. 2.) Write a program that creates a car object, and displays the year and name with one method “speed”. Example output: Year: 2021 Model: Toyota Speed: 200km/h 3.) Write the main class of the given class Animal below that set the number of legs to “4” and display (get) the number of legs. class Animal { private int numberOfLegs; public void setNumberOfLegs(int numberOfLegs) { this.numberOfLegs = numberOfLegs; } public int getNumberOfLegs() { return numberOfLegs; } }JAVA CLASS AND OBJECT Modify the java program/code given below. 1.) Modify the abstraction example code below by adding another class “TestCarabao” with the necessary methods “label, move, and eat”. abstract class Animal { // abstract methods abstract void move(); abstract void eat(); // concrete method void label() { System.out.println("Animal's data:"); } }Java language pls write a main program of the language class given below and make sure that your output matches with the one given below. Language.java public final class Language { // // Static Data Fields // private static final String defaultAlienSound = "~ ąļīæń ~ "; // Default // // Instance Data Fields // // // Constructors // public Language() { } public Language(String language) { switch (language.toLowerCase()) { case "alien" -> this.populateAlienPhrases(); // Supported case "chinese" -> this.populateChinesePhrases(); // Future implementation case "french" -> this.populateFrenchPhrases(); // Future implementation case "spanish" -> this.populateSpanishPhrases(); // Future implementation case "future" -> this.populateYourLanguagePhrases(); // Future implementation default -> this.populateEnglishPhrases();…
- public class Father { public String name; public int age; // customer name Father(){ name=”Hassan”; age=50;} public void display(){ System.out.println(“Name:”+name); System.out.println(“Age:”+age); } } 1. Based on Figure 3, create a class named Child that inherits the Father class. Declare an instance name location (String) for class Child. 2. Define a constructor in class Child and give an appropriate initial values for the instance (name, age, location). 3. Define a method display () in class Child, execute the display ( ) method in superclass using the keyword super. Method display ( ) in class Child should print the information of name, age and location 4. Create other class named Main for the main method and create 2 objects for the 2 classes (Father and Child). Then execute the display ( ) method for Father and Child. Example of the output as in Figure 4: Father's info: Name: Josh Age: 50 Child's info: Name: Christy Age: 20 Location:…JAVA assignment: Exercise 1: Implement the class Student as presented by the following UML diagram: Exercise 2: write a driver class to test the student class as follow:2. Consider the following class definitions: public class BClass } private int x; public void set(int a) } X a; { public void print() } System.out.print(x); { { public class DClass extends BClass } private int y; public void set(int a, int b) } //Postcondition: x =a; y=Db; { public void print( ) {.…} a. Write the definition of the print method of DClass that overrides it. b. Write the definition of the method set of the class DClass.
- Java program: The class diagram with four classes Mammal, Human, Student and Doctor is given. The Mammal class is given as well. Write down the remaining classes as described in the class diagram. The fields and methods for each class is given in the attachment. //in Mammel.java Public interface Mammal{ public double hairColor(): } 1. Class Human: Fields: age(int), weight(double), height(double) Methods: getAge, getWeight, getHeight 2. Class Student: Fields: major (String), gpa (double), creditHours (int) methods: getMajor: returns major, getGpa: returns gpa, getYear: returns freshman, sophmore, junior, senior as determined by earned credit hours Freshman : less than 32 credit hours sophmore: at least 32 but less than 64 credit hours junior: at least 64 credit hours but less than 96 credit hours senior: at least 96 credit hours 3.Class Doctor: Fields: years(int), Speciality (String) methods: getYears: returns years, getSpeciality: returns speciality, getSalary: calculates…Design Patterns: Strategy Pattern : in Object Oriented design Programming Use Netbeans to execute the following Java code and show SCREENSHOTS to verify that the program runs correctly. Draw a UMl class diagram to model the program. Here is the java code: File : Billing.java public interface Billing { public double getDiscount();} File : LoyaltyBilling.java public class LoyaltyBilling implements Billing{ @Override public double getDiscount() { return 20.00; } } File : NormalBilling.java public class NormalBilling implements Billing{ @Override public double getDiscount() { return 0; } } File : SeasonalBilling.java public class SeasonalBilling implements Billing{ @Override public double getDiscount() { return 10; } } File :SaleBilling.java public class SaleBilling implements Billing{ @Override public double getDiscount() { return 50; } } File : Product.java public class Product { private String name; private…Computer Science Create a class diagram for the code below (code is in Java): // The interface Coffee defines the functionality of Coffee implemented by decorator public interface Coffee { public double getCost(); // Returns the cost of the coffee public String getIngredients(); // Returns the ingredients of the coffee } // Extension of a simple coffee without any extra ingredients public class SimpleCoffee implements Coffee { @Override public double getCost() { return 1; } @Override public String getIngredients() { return "Coffee"; } } // Abstract decorator class - note that it implements Coffee interface public abstract class CoffeeDecorator implements Coffee { private final Coffee decoratedCoffee; public CoffeeDecorator(Coffee c) { this.decoratedCoffee = c; } @Override public double getCost() { // Implementing methods of the interface return decoratedCoffee.getCost(); } @Override public String getIngredients() { return decoratedCoffee.getIngredients(); } } // Decorator WithMilk…
- 1) Draw a class diagram depicting the below code. class Doctor { void Doctor Details () { System.out.println("Doctor Details..."); } class Surgeon extends Doctor { void Surgeon_Details () { System.out.println("Surgen Detail..."); } } public class Hospital { public static void main(String args[]) { Surgeon s = new Surgeon (); } } } 2) Establish an association between Person class and Book Class given below. public class Person { } s. Doctor Details (); s. Surgeon Details (); } private String name; private int age; public Person (String initialName) { this.name = initialName; this.age = 0; } public void printPerson() { } public String getName() { return this.name; } System.out.println(this.name + age public class Book { private String name; private String publisher; private ArrayList authors; // constructor public ArrayList getAuthors() { return this.authors; } public void addAuthor (Person author) { this.authors.add(author); } + this.age + 11 years");8. OOPS Theory #6 public class Car { public void horn() { System.out.println("Horn horn"); } } public class Ferrari extends Car { public void horn() { System.out.println("Ferarriiiiii"); } } public static void main(String[] args) { Ferrari ferrari = new Car(); ferrari.horn(); } Pick ONE option Horn horn Ferarriiii Cannot compile Runtime exception Clear Selection 9. OOPS Theory #7 In Java, we can achieve the abstraction by creating the blueprint of an object and only have abstract methods. What do we call this? Pick ONE option Interface Encapsulation Instance Protected Clear SelectionDraw the UML diagram of the following class: public class Employee { String name; double salary; public Employee() { } public double getSalary() { return this.salary; } public String getName() { return this.name; } }