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- Course Title: Modern Programming Language Please Java Language Code Question : Design an abstract class GeometricObject. GeometricObject must ensure that its children must implement calcArea() method. Design Rectangle18-ARID-2891 and CircleM.JibranAkram Classes as children of GeometricObject class with overridden toString() method to return “Rectangle with w Width and h Height is drawn” OR “Circle with r Radius is drawn”. The attributes of Rectangle are length, width. The attribute of Circle is radius Hint: Area of circle=πr2 , Area of rectangle= width*lengthJAVA public abstract class Final { private int row; private int column; public int[ ][ ] table; public Final(int r, int c) { row = r; column = c; table = new int[row][column]; } public void hi() { System.out.println("hi"); } public abstract void fillTable( ); public abstract double[] averageOfColumnTable( );// /*for example, if table has: 123456789 Your method should return: 4.0, 5.0, 6.0 */ public abstract void printTable( ); // print table elements } // end of the Final class 1. Write a class that uses the Final abstract class defined above.2. The class should fill the table with random numbers between “0” and ”upper bound” value.3. Be sure, the class should have a property to hold the “upper bound” value. 4. Implement your class constructor considering (it means your constructor must get the upper bound value,also consider exceptions for invalid parameters) 5. Write a Test class and test all methods that have been Implemented.create a UML class diagram for the following Java Code: public class SudokuSolver { publicstaticfinalint SIZE =9; publicbooleansolveSudoku(int[][] board){ for(int row =0; row < SIZE; row++){ for(int col =0; col < SIZE; col++){ if(board[row][col]==0){ for(int number =1; number <= SIZE; number++){ if(isValid(board, row, col, number)){ board[row][col] = number; if(solveSudoku(board)){ returntrue; }else{ board[row][col] = 0; // backtrack } } } returnfalse; } } } returntrue; } privatebooleanisValid(int[][] board,int row,int col,int num){ for(int i =0; i < SIZE; i++){ if(board[row][i]== num || board[i][col]== num || board[row - row % 3 + i / 3][col - col % 3 + i % 3] == num) { returnfalse; } } returntrue; } publicstaticvoidmain(String[] args){…
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- Code: interface Bicycle{ //interface for bicycle void changeGear(int val); //abstract methods void changeSpeed(int inc); void applyBrakes(int dec); void ringBell(int count); } class NewCycle implements Bicycle{ //class for a new cycle int speed=0; //stores the speed value int gear=0; //stores the gear value @Override public void changeGear(int val) { //method to change the gear gear=val; } @Override public void changeSpeed(int inc) { //method to change the speed speed=speed+inc; } @Override public void applyBrakes(int dec) { //method to apply brakes speed=speed-dec; } @Override public void ringBell(int count) { //method to ring the bell for(int i=0;i<count;i++){ System.out.print("Clang!!"+" "); } System.out.println(""); } public void printState(){ //method to print the states System.out.println("Ring bell, Speed, Gear,…Polygon Class (abstract superclass) Variables double width double height double depth Member functions set_values() Sets values for height and width based upon user input get_values() Display the current width and height values Polymorphic member functions: area() perimeter() draw() Make Polygon Class Abstract Right_Triangle Class (subclass of Polygon) Polymorphic member functions: area() (height *width) /2 perimeter() height + width + (sqrt(height*height + width*width)) draw() Rectangle Class (subclass of Polygon) Variables int size = 3 double temp_result_for_chaining double* history_width_ptr double* history_height_ptr int array_index or double* temp_history_width_ptr double* temp_history_height_ptr Functions Constructor creates space in free memory for two arrays that can store previous values of width and height: history_width_ptr = new double[size] // allocate new memory to previous width values…The class diagram below shows an Order class that "has a" Customer and zero or more Items. Order class should contain private Customer m_cust; private ArrayList<Item> m_items; public Order(Customer cus t) public void additem(Item i) public String toString() Item class should contain private String m_desc private int m_qty private double m_price public Item(String des c, double price, int qty) public String toString() Customer class should contain private String m_first; private String m_last; public Customer(String first, String last) public String toString() Please create the Order, Customer, and Item classes shown above. I have provided you with a read-only Main class that you can use to test your code. When you have completed the Order, Customer, and Item classes, running the Main program should produce the following output: Order for Smith, Tom Order Items: Greeting Card: 1 at 1.5 Baseball Glove: 1 at 54.0 Notebook: 3 at 2.5 public class Main{ public static void…
- Design and implement a Java class named Book with two data members: title and price. The class should have suitable constructors, get/set methods, and the toString method. Design and implement another Java class named BookShelf which has an ArrayList data member named bookList to store books. The class should have suitable constructors, get/set methods, and the toString method, as well as methods for people to add a book (prototype: addBook(Book book)), remove a book (prototype: removeBook(Book book)), and search for a book (prototype: findBook(Book book)). Test the two classes by creating a Bookshelf object and five Book objects. Add the books to the bookshelf. Display the contents of the bookshelf. Test the removeBook and findBook methods as well. Take screenshots of your tests and submit them with your Java code (not the whole project)Convert the following polygon class into an abstract class #include <iostream> using namespace std; class CPolygon { protected: int width, height; public: void set_values (int a, int b) { width=a; height=b; } virtual int area () { return (0); } }; class CRectangle: public CPolygon { public: int area () { return (width * height); } }; class CTriangle: public CPolygon { public: int area () { return (width * height / 2); } }; int main () { CRectangle rect; CTriangle trgl; CPolygon poly; CPolygon * ppoly1 = ▭ CPolygon * ppoly2 = &trgl; CPolygon * ppoly3 = &poly; ppoly1->set_values (4,5); ppoly2->set_values (4,5); ppoly3->set_values (4,5); cout << ppoly1->area() << endl; cout << ppoly2->area() << endl; cout << ppoly3->area() << endl; return 0; }Java Programming: ConWay World Conway’s game of life is a simple simulation of life forms in a two dimensional grid. The ConwayCell implements the standard behavior of a call in Conway’s Game of Life. You only need to implement and test two new classes. You will create two different cells, derived from AbstractCell. 1. Alternating Cell The first class that you should create is a class named AlternatingCell. This is a cell that should alternate between being alive and dead with each generation. Add one or more of your AlternatingCells to your ConwayWorld. You can see how to add a cell in line 15 - 20 of Main.java. Give your AlternatingCell a unique display character when it is alive so that you can see it in your conway world. 2. Your own cell For the second cell you should feel free to implement any behavior that you want. If you are having trouble thinking of ideas then post up a question. You can add your custom cell in just a few places in the world, or you might choose to replace…