Task 2 Write a class Matrix. This class has three private data members. rows: An integer that holds the numbers of rows for matrix. columns: An integer that holds the numbers of columns for matrix. matrix: An integer pointer to pointer that points to 2D array (rows x columns). The class has the following member functions.
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- : A designer in 3D graphics company wants to design a matrix as a two-dimensional array. The size of 2D array could be the last two digit of arid number. Initially he creates a class matrix that provides the member function to check that no array index is out of bounds. Make the member data in the matrix class a 10-by-10 array. A constructor should allow the programmer to specify the actual dimensions of the matrix (provided they’re less than 10 by 10). The member functions that access data in the matrix will now need two index numbers: one for each dimension of the array. Here’s what a fragment of a main() program that operates on such a class might look like: If my Arid Number is 20-Arid-254 then: // in case of zero consider next digit matrix m1(5, 4); // define a matrix object int temp = 12345; // define an int value m1.put(3, 4, temp); // insert value of temp into matrix at 3,4 temp = m1.get(3, 4); // obtain value from matrix at 3,4Bookstore class uses a dynamic array to hold names book titles. class BookStore { public: BookStore (); BookStore (const Bookstore & b); // POST: object made from b -BookStore (); void insert(string title); // POST: add title to the end of the titles list private: string store; int capacity; int size; }; Describe two different situations in which the copy constructor function is called. Write a short code snippet illustrating each situation. Explain the problem if this class did not provide a deep copy constructor function. // POST: empty object with room for 10 titles // POST: object is destructed // pointer to dynamic array of book titles // capacity of array // number of books used in the bookstoreFunctions with 2D Arrays in Java Write a function named displayElements that takes a two-dimensional array, the size of its rows and columns, then prints every element of a two-dimensional array. Separate every row by a new line and every column by a space. In the main function, call the displayElements function and pass in the required parameters. Output 1 2 3 4 5 6 7 8 9
- Q.No.2: A designer in 3D graphics company wants to design a matrix as a two-dimensional array. The size of 2D array could be the last two digit of arid number. Initially he creates a class matrix that provides the member function to check that no array index is out of bounds. Make the member data in the matrix class a 10-by-10 array. A constructor should allow the programmer to specify the actual dimensions of the matrix (provided they’re less than 10 by 10). The member functions that access data in the matrix will now need two index numbers: one for each dimension of the array. Here’s what a fragment of a main() program that operates on such a class might look like: If my Arid Number is 20-Arid-254 then: // in case of zero consider next digit matrix m1(5, 4); // define a matrix object int temp = 12345; // define an int value m1.putel(7, 4, temp); // insert value of temp into matrix at 7,4 temp = m1.getel(7, 4); // obtain value from matrix at 7,4 Where my Arid numbr is…Q.No.2: A designer in 3D graphics company wants to design a matrix as a two-dimensional array. The size of 2D array could be the last two digit of arid number. Initially he creates a class matrix that provides the member function to check that no array index is out of bounds. Make the member data in the matrix class a 10-by-10 array. A constructor should allow the programmer to specify the actual dimensions of the matrix (provided they’re less than 10 by 10). The member functions that access data in the matrix will now need two index numbers: one for each dimension of the array. Here’s what a fragment of a main() program that operates on such a class might look like:matrix m1(5, 4); // define a matrix objectint temp = 12345; // define an int value m1.putel(7, 4, temp); // insert value of temp into matrix at 7,4 temp = m1.getel(7, 4); // obtain value from matrix at 7,4Q.No.2: A designer in 3D graphics company wants to design a matrix as a two-dimensional array. The size of 2D array could be the last two digit of arid number. Initially he creates a class matrix that provides the member function to check that no array index is out of bounds. Make the member data in the matrix class a 10-by-10 array. A constructor should allow the programmer to specify the actual dimensions of the matrix (provided they’re less than 10 by 10). The member functions that access data in the matrix will now need two index numbers: one for each dimension of the array. Here’s what a fragment of a main() program that operates on such a class might look like:If my Arid Number is 20-Arid-254 then: // in case of zero consider next digitmatrix m1(5, 4); // define a matrix objectint temp = 12345; // define an int value m1.putel(7, 4, temp); // insert value of temp into matrix at 7,4 temp = m1.getel(7, 4); // obtain value from matrix at 7,4
- Computer Science Part 2: Client Program with ArrayList Create a second client program. This program will contain an ArrayList of StudentGrades objects. The program will perform the following tasks: Create an instance of an ArrayList that will store three StudentGrades objects. Each element in the ArrayList represents student grades for a test (assessment). This means that each StudentGrades object stored by the ArrayList element represents the grades achieved by students for a single test. Prompt the user for the number of students in the class. The prompt text is: Enter the number of students in the course: [Keyboard Input] Add three new StudentGrades objects to the ArrayList. The StudentGrades objects should be populated with random values from 0 to 100. Use the enhanced for loop to print each of the StudentGrades objects to the console. Print a line containing the following text: “LAST ELEMENT BEFORE REMOVE:”. Print the value of the final element in the ArrayList under the heading.…Language: JAVA Script write a function 'keyValueDuplicates (obj) that takes an object as an argument and returns an array containing all keys that are also values in that object. Examples: obj1 = { orange: "juice", apple: "sauce", sauce: "pan" }; console.log(keyValueDuplicates (obj1)); // ["sauce"] obj2 = { big: "foot", foot: "ball", ball: "boy", boy: "scout"};console.log(keyValueDuplicates(obj2)); // ["foot", "ball", "boy"] obj3 = { pizza: "pie", apple: "pie" pumpkin: "pie"); console.log(keyValueDuplicates (obj3)); // [] *******************************************************************/function keyValueDuplicates (obj) { | // Your code here } /*****DO NOT MODIFY ANYTHING UNDER THIS LINE*********/ try { | module.exports = keyValueDuplicates; } catch (e) { | module.exports = null;}True/ False 1- Class objects can be defined prior to the class declaration. 2- You must use the private access specification for all data members of a class. 3- If an array is partially initialized, the uninitialized elements will be set to zero. 4- A vector object automatically expands in size to accommodate the items stored in it. 5- With pointer variables, you can access but not modify data in other variables. 6- Assuming myValues is an array of int values and index is an int variable, both of the following statements do the same thing. 1. cout header file. 15- To solve a problem recursively, you must identify at least one case in which the problem can be solved without recursion.
- Objective: Design a program that uses two-dimensional arrays, classes and objects Assignment: Write a program that plays a tic-tac-toe game with the user. Define a class TicTacToe with the necessary data and functions to play the game. Use a 2-D char array with three rows and three columns as the game board. The class should also have the following functions: A constructor to initialize the board. I suggest either asterisk ('*') or characters '1' through '9'. A function to play the user's turn, fill in the board with either an 'X' or 'O' given row and column number (1-3) A function to play the computer's turn. This function will determine the row and column number to be filled in. You can use a simple algorithm such as look for the first space available, or random number generation. Complex AI algorithms will only be accepted with an explanation of its behavior via a zoom meeting. A function to verify if there is a win. This can be broken down by calling 3 separate private…Tic-Tac-Toe) Write a program that allows two players to play the tic-tac-toe game. Your program must contain the class ticTacToe to implement a ticTacToe object. Include a 3-by-3 two-dimensional array, as a private member variable, to create the board. If needed, include additional member variables. Some of the operations on a ticTacToe object are printing the current board, getting a move, checking if a move is valid, and determining the winner after each move. Add additional operations as needed. (programming language C#)Pointer and classImplement a class called Team as specified:data members:name - the name of the Team (defined as a dynamic variable)members - a dynamic array of stringsize - number of members in the team.functions:Course(): default constructor set name to “TBD”, and size to 0, members toempty listCourse(string): one argument constructor set name, and size to 0, members toempty listaccessor - an accessor for the name and size variablemutator - an mutator for the name variableUse following main() to test your class.int main() {Team a,b("Mets");cout<<a.getName()<<endl; // print TBDa.setName("Yankee");cout<<a.getName()<<endl; // print Yankeecout<<b.getName()<<endl; // print Metscout<<a.getSize()<<endl; // print 0return 0;}