Problem 3: In classroom, we implemented MyStack by including an ArrayList as private data field of the class (using composition). In this problem, we will use another way to implement the stack class. Define a new MyStack class that extends ArrayList. Draw the UML diagram for the classes and then implement MyStack. Write a test program that prompts the user to enter five strings and displays them in reverse order. (1) Your UML diagram: (
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- 1. Write a program that would resemble a power utility billing system. There will be an input window that would enter or input the meter number (5 numeric digits) and the present meter reading in kilowatt hours, the maximum would be 9999 kilowatts. A search from a 2d-arraylist would be made in order to get the previous meter reading of a particular meter number. The 2d- arraylist consists of meter number (5 numeric digits) and the previous meter reading in kilowatt hours (4 numeric digits with 9999 as maximum value). Provide at least 5 sample data or 5 rows with meter number and previous meter reading each row for the 2d-arraylist. When an input of meter number and present meter reading is made, search the 2d-arraylist for the equivalent meter number. If a match is found, get the kilowatt hour used (KWH) by subtracting the previous meter reading from the present meter reading. Note that if the present meter reading is less than previous meter reading, add 10000 first to the present…A readinglist is a doubly linked list in which each element of the list is a book. So, you must make sure that Books are linked with the previous prev and next element. A readinglist is unsorted by default or sorted (according to title) in different context. Please pay attention to the task description below. Refer to the relevance classes for more detail information. Implement the add_book_sorted method of the ReadingList class. Assume the readinglist is sorted by title, the add_book_sorted method takes an argument new_book (a book object), it adds the new_book to the readinglist such that the readinglist remain sorted by title. For example, if the readinglist contain the following 3 books: Title: Artificial Intelligence Applications Author: Cassie Ng Published Year: 2000 Title: Python 3 Author: Jack Chan Published Year: 2016 Title: Zoo Author: Cassie Chun Published Year: 2000 If we add another book (titled "Chinese History"; author "Qin Yuan"; and published year 1989) to the…Java In this assignment, you will practice using an ArrayList. Your class will support a sample program that demonstrates some of the kinds of operations a windowing system must perform. Instead of windows, you will be manipulating “tiles.” A tile consists of a position (specified by the upper-left corner x and y), a width, a height, and color. Positions and distances are specified in terms of pixels, with the upper-left corner being (0, 0) and the x and y coordinate increasing as you move left and down, respectively. You won’t have to understand a lot about tiles and coordinates. That code has been written for you. You are writing a small part of the overall system that keeps track of the list of tiles. You are required to implement this using an ArrayList. The only method you need to use from the Tile class is the following: // returns true if the given (x, y) point falls inside this tile public boolean inside(int x, int y) Your class is to be called TileList and must…
- A programmer is designing a program to catalog all books in a library. He plans to have a Book class that stores features of each book: author, title, isOnShelf, and so on, with operations like getAuthor, getTitle, getShelf Info, and set Shelf Info. Another class, LibraryList, will store an array of Book objects. The LibraryList class will include operations such as listAll Books, addBook, removeBook, and searchForBook. The programmer plans to implement and test the Book class first, before implementing the LibraryList class. The program- mer's plan to write the Book class first is an example of (A) top-down development. (B) bottom-up development. (C) procedural abstraction. (D) information hiding. (E) a driver program.Write Program Java language Create an Animal class and an arraylist from that class you created. Then, add objects to that arraylist and print the elements?Write this program in Java using a custom method. Implementation details You will implement this program in a specific way in order to gain some experience with loops, arrays and array lists. Use an array of strings to store the 4 strings listed in the description. Use a do-while loop for your 'game engine'. This means the game starts once the user enters money. The decision to stop occurs at the bottom of the loop. The do-while loop keeps going until the user quits, or there is no money left. The pseudocode for this 'game engine' is shown below: determine the fruits to display (step 3 below) and print them determine if there are 3 or 4 of the same image display the results update the customer balance as necessary prompt to play or quit continue loop if customer wants to play and there's money for another game. Use the Random class to generate a random number between 0 and 3. This random number will be an index into the array of strings. Add the string at that index to an…
- Use the ArrayList class Add and remove objects from an ArrayList Protect from index errors when removing Practice with input loop Details: This homework is for you to get practice adding and removing objects from an ArrayList. The Voter class was used to create instances of Voters which held their name and a voter identification number as instance variables, and the number of instances created as a static variable. This was the class diagram: The constructor takes a string, passed to the parameter n, which is the name of the voter and which should be assigned to the name instance variable. Every time a new voter is created, the static variable nVoters should be incremented. Also, every time a new voter is created, a new voterID should be constructed by concatenating the string “HI” with the value of nVoters and the length of the name. For example, if the second voter is named “Clark Kent”, then the voterID should be “HI210” because 2 is the value of nVoters and 10 is the number…This is needed in Java Given that an ArrayList of Strings named nameList has already been created and names have already been inserted, write the statement necessary to delete the name at index 15.Write the definitions of the member functions of the classes arrayListType and unorderedArrayListType that are not given in this chapter. The specific methods that need to be implemented are listed below. Implement the following methods in arrayListType.h: isEmpty isFull listSize maxListSize clearList Copy constructor Implement the following method in unorderedArrayListType.h insertAt Also, write a program (in main.cpp) to test your function.
- Use the right loop for the right assignment, using all the follow- ing loops: for, while without hasNext(), while with hasNext() and do-while. So I cannot use array. it has to be done in java.Write Java code for the following: a. Create an Arraylist that can hold Integer objects. b. Check and display whether the Arraylist is empty or not. C. Add an element 50 into the Arraylist. d. Add another element 60 in the position of 0 in the Arraylist. e. Replace the element to 70 in index 1.Using Java You will write the code to perform the following operations using the ArrayList class: Implement a Shoe class, encapsulating the concept of a shoe A shoe has a color, size, and brand. Implement a ShoeStore class, encapsulating the concept of a shoe store. Use the ArrrayList of Shoe objects. Fill the ArrayList object with Shoe objects. Implement a ShoeSearchEnginge class Print Shoe objects in the ArrayList. color: white size: 11 brand: Anne Klein color: yellow size: 13 brand: Calvin Klein color: black size: 9 brand: COACH color: blue size: 5 brand: CLARK color: black size: 7 brand: Cole Han color: blue size: 15 brand: FitFlo color: red size: 9 brand: CLARK Find all Shoe objects with CLARK as a brand in the ArrayList. Find the largest size of a Shoe object in the ArrayList.