Create a SameItem Interface: The SameItem interface will be a generic interface.SameItem will have a single method: isSameAs(T) that returns a boolean
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Create a SameItem Interface: The SameItem interface will be a generic interface.SameItem will have a single method: isSameAs(T) that returns a boolean
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- Java - Polymorphism Create a class named “Shape” that has the abstract methods getArea() and getPerimeter(). Create classes named “Rectangle”, “Square”, and “Circle”. Override the methods getArea() and getPerimeter() with the right equation in getting the area and perimeter. For rectangle, create attribute length and width. For square, side. For circle, radius. Inputs 1. Char input for Shape type (R/S/C) 2. Dimensions of specific type of Shape C 5 Sample Output Shape(R/S/C): R Length: 10 Width: 50 Area: 500.00 Perimeter: 120.00Books can come in various formats, like paper books, audio books, ebooks, etc. Create a generic classBook that has as common attributes the title, the year of publication, and the author. The constructor of thisclass should instantiate all three attributes. Override the toString method of class Book that returns a stringthat contains the values of its attributes. Create a subclass PrintBook that extends Book with attributesPublisher and ISBN. Create another subclass AudioBook which has the book’s size (in MB), its playlength and the playback artist’s name as attributes. Both PrintBook and AudioBook classes override thetoString method inherited from Book. Write a Java application to demonstrate the usage of this hierarchy.Program #11. Show the ArrayStackADT interface 2. Create the ArrayStackDataStrucClass<T> with the following methods: default constructor, overloaded constructor, copy constructor, initializeStack, isEmptyStack, isFullStack, push, peek, void pop 3. Create the PrimeFactorizationDemoClass: instantiate an ArrayStackDataStrucClass<Integer> object with 50 elements. Use a try-catch block in the main( ) using pushes/pops. 4. Exception classes: StackException, StackUnderflowException, StackOverflowException 5. Show the 4 outputs for the following: 3,960 1,234 222,222 13,780
- Part 2: Sorting the WorkOrders via dates Another error that will still be showing is that there is not Comparable/compareTo() method setup on the WorkOrder class file. That is something you need to fix and code. Implement the use of the Comparable interface and add the compareTo() method to the WorkOrder class. The compareTo() method will take a little work here. We are going to compare via the date of the work order. The dates of the WorkOrder are saved in a MM-DD-YYYY format. There is a dash '-' in between each part of the date. You will need to split both the current object's date and the date sent through the compareTo() parameters. You will have three things to compare against. You first need to check the year. If the years are the same value then you need to go another step to check the months, otherwise you compare them with less than or greater than and return the corresponding value. If you have to check the months it would be the same for years. If the months are the same you…14. Which statements are true about the following code? (Choose all that apply) 1: interface HasVocalCords {2: public abstract void makeSound();3: }4: public interface CanBark extends HasVocalCords {5: public void bark();6: } A. The CanBark interface doesn’t compile.B. A class that implements HasVocalCords must override the makeSound() method.C. A class that implements CanBark inherits both the makeSound() and bark() methods.D. A class that implements CanBark only inherits the bark() method.E. An interface cannot extend another interface. Please explain this code abstract, extent and interface methods too in detail.Goal 1: Update the Fractions Class Here we will overload two functions that will used by the Recipe class later: multipliedBy, dividedBy Previously, these functions took a Fraction object as a parameter. Now ADD an implementation that takes an integer as a parameter. The functionality remains the same: Instead of multiplying/dividing the current object with another Fraction, it multiplies/divides with an integer (affecting numerator/denominator of the returned object). For example; a fraction 2/3 when multiplied by 4 becomes 8/3. Similarly, a fraction 2/3 when divided by 4 becomes 1/6. Goal 2: Update the Recipe Class Now add a private member variable of type int to denote the serving size and initialize it to 1. This means all recipes are initially constructed for a single serving. Update the overloaded extraction operator (<<) to include the serving size (sample output below for an example of formatting) . New Member functions to the Recipe Class: 1. Add four member functions…
- Can you please help me with this, its in java. Thank you. Write classes in an inheritance hierarchy Implement a polymorphic method Create an ArrayList object Use ArrayList methods For this, please design and write a Java program to keep track of various menu items. Your program will store, display and modify salads, sandwiches and frozen yogurts. Present the user with the following menu options: Actions: 1) Add a salad2) Add a sandwich3) Add a frozen yogurt4) Display an item5) Display all items6) Add a topping to an item9) QuitIf the user does not enter one of these options, then display:Sorry, <NUMBER> is not a valid option.Where <NUMBER> is the user's input. All menu items have the following: Name (String) Price (double) Topping (StringBuilder or StringBuffer of comma separated values) In addition to everything that a menu item has, a main dish (salad or sandwich) also has: Side (String) A salad also has: Dressing (String) A sandwich also has: Bread type…In Python, #Create a basket class, which has a class/static attribute pricelist (string/float dictionary - you can hardcode this) #The constructor should set the name to the name passed as a parameter and initialise the contents (empty) #You should provide an addItem method taking product,quantity which adds this to the contents #and a getQuantity method taking a product, which returns the relevant quantitya) Create a HeapPriorityQueue interface with the following abstract methods: isEmpty, is Full, enqueue, dequeue, reheapifyUpward, reheapify Downward, reposition. b) Create the HeapPriorityQueue class. Have heapArray hold maxSize of 250 entries. Also, include the methods: default constructor, toString. c) Create HeapOverflowException and HeapUnderflowException classes d) Create a Heap Demo class that creates a HeapPriorityQueue object and insert the values 1-10 into the heap. Print out the heap and remove two values from the heap. Print the resulting heap. Try and show the resulting tree with the nodes on their appropriate levels along with their branches.
- In Java The base class Pet has protected fields petName, and petAge. The derived class Cat extends the Pet class and includes a private field for catBreed. Complete main() to: create a generic pet and print information using printInfo(). create a Cat pet, use printInfo() to print information, and add a statement to print the cat's breed using the getBreed() method.Please create a driver class (java) that contains only a main method which should: Create a new CustomerList obiect Prompt the user to enter a file name Call the getCustomer List method with the file name that the user entered While (true) { Prompt user to enter command; if (command is "a") { Prompt user for customerNumber firstName lastName balance; Create a customerRecord and store it in the database; } else if (command is "f") { Prompt the user to enter a customer number and then displays the corresponding record on the screen; } else if (command is "g") { Prompt the user to enter a file name to save the latest update; Save the information in the database to the file specified by the user; Terminate program; } else { Display error message: } }
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