N JAVA PLEASE, need help finding an element in the list /** * Returns whether the given value exists in the list. * @param value - value to be searched. * @return true if specified value is present in the list, false otherwise. */ public int indexOf(int value) { //Implement this method return -1; }
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IN JAVA PLEASE, need help finding an element in the list
/**
* Returns whether the given value exists in the list.
* @param value - value to be searched.
* @return true if specified value is present in the list, false otherwise.
*/
public int indexOf(int value) {
//Implement this method
return -1;
}
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Solved in 2 steps
- ShoppingCart.java - Class definition ShoppingCartManager.java - Contains main() method Build the ShoppingCart class with the following specifications. Private fields String customerName - Initialized in default constructor to "none" String currentDate - Initialized in default constructor to "January 1, 2016" ArrayList cartItems Default constructor Parameterized constructor which takes the customer name and date as parameters Public member methods getCustomerName() accessor getDate() accessor addItem() Adds an item to cartItems array. Has a parameter of type ItemToPurchase. Does not return anything. removeItem() Removes item from cartItems array. Has a string (an item's name) parameter. Does not return anything. If item name cannot be found, output a message: Item not found in cart. Nothing removed. modifyItem() Modifies an item's description, price, and/or quantity. Has a parameter of type ItemToPurchase. Does not return anything. If item can be found (by name) in cart,…class Point with instance variables as: xCoordinate(int) and yCoordinate(int). Write public instance methods (getters & setters) for each instance variable. Now, write a class Circle with private instance variables as radius and Pi (value is 3.14). Write public setter, getter for radius, Area method for calculating Area, Draw method for radius. Formula for calculating area=pi*r^2 Formula for calculating radius=Math.sqrt(xCordinate^2+yCordinate^2) Extend a Circle class from Point class such as Class Circle extends Point Write a Default constructor in Circle class that sets radius, xCoordinate&yCoordinate to some default value e.g. -1; Write a Parameterized constructor in Circle class which takes xCoordinate, yCoordinate and radius as a parameter. E.g. Circle (int xCoordinate, int yCoordinate, double radius) { this.xCoordinate= xCoordinate; this.yCoordinate= yCoordinate;…Use java programming language 1.1 Create a Student Object project. Create a Student class and use the provided UML diagram to code the instance fields, constructors and methods. Note: The module mark is the average of the participation mark and the examination mark - calculate this using the calcModuleMark() method. The determineStNumber() method should compile a student number with the first 3 letters of the student's name, a '#' symbol, and a 3-digit randomly generated number (make use of a for-loop to concatenate these 3-digits). The stNumber data field should be set in the constructor by calling the determineStNumber() method. The toString() method must compile a string to display the student number, participation mark, examination mark, and module mark, formatted in table format. Student number PMark EMark MMark Mar#9186 81 64 72.00 1.2 Create a testStudents class. Do the following: -Write a static method called display() which receives…
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- Create abstract class Pet , which is the abstract superclass of all animals.Declare a integer attribute called legs, which records the number of legs for this animal.Define a constructor that initializes the legs attribute.Declare an abstract method eat.Declare a concrete method walk that prints out something about how the animals walks (include the number of legs).Create the Dog class.The Dog class extends the Pet class.This class must include a String attribute to store the name and food of the petDefine a default constructor that calls the superclass constructor to specify that all dogs have 4 legs and name.override the eat and walk method.Create the Cat class that extends Pet.This class must include a String attribute to store the name of the pet, and a string to save food .Define a constructor that takes one String parameter that specifies the cat's name and food. This constructor must also call the superclass constructor to specify that all cats have four legs.Override walk…The class "Student" has the following attributes: studentId (int), name (String), surname (String), deptCode (String).Write a constructor method for the "Student" class that takes values as parameters for all these attributes.Create a RightTriangle class given the following design: RightTriangle variables: base, height methods: 2 constructors, 1 that set default values and another that accepts to parameters. setBase - changes the base. Requires one parameter for base. setHeight - changes the height. Requires one parameter for height. getBase - returns the triangle base. getHeight - returns the triangle height. area - returns the area of the triangle (1/2bh) given the current base and height
- Design and implementation of Java (Draw UML) classes 1. Design a class named Bill to represent a square. 2. The class contains: • One data field called “Items” that defines the number of items. Another double data field called "price" defines the price. The default is 1.0. • no-arg constructor • constructor with parameters to create the invoice • method called getBill () that returns the item and price duplication. 3. Create a class and test a class (create three different objects and print the values of the variables and method)interface StudentsADT{void admissions();void discharge();void transfers(); }public class Course{String cname;int cno;int credits;public Course(){System.out.println("\nDEFAULT constructor called");}public Course(String c){System.out.println("\noverloaded constructor called");cname=c;}public Course(Course ch){System.out.println("\nCopy constructor called");cname=ch;}void setCourseName(String ch){cname=ch;System.out.println("\n"+cname);}void setSelectionNumber(int cno1){cno=cno1;System.out.println("\n"+cno);}void setNumberOfCredits(int cdit){credits=cdit;System.out.println("\n"+credits);}void setLink(){System.out.println("\nset link");}String getCourseName(){System.out.println("\n"+cname);}int getSelectionNumber(){System.out.println("\n"+cno);}int getNumberOfCredits(){System.out.println("\n"+credits); }void getLink(){System.out.println("\ninside get link");}} public class Students{String sname;int cno;int credits;int maxno;public Students(){System.out.println("\nDEFAULT constructor…Class: Square Create a class called "Square", which is inherited from“TwoDimensionShape” class. The "Square" class is used to calculate theArea and the Perimeter of square shapes when their side-length is given, or in contrast,finding the side-length of the square when the Area or the Perimeter of the square is given.The specifications of this class are below. Data Members (Attributes): All are private. sideLength: the sidelight (L) of the square. Methods/Operations/Getters/Setters: Default Constructor: when creating an object this constructor must set the side-length of the square by calling the method setSideLength(). Also, this constructor willcall the findArea() and the findPerimeter() in addition to summaryPrint() to calculateand print all needed information. User-Defined Constructor: when creating an object this constructor shouldfind the side-length of the square by calling the method findSquareSideLength()and pass the Area or the…