19. A two-dimensional array is frequently called a matrix and such a matrix is usually displayed in a row X col format. Write a method, which displays a 3 X 4 matrix to the monitor, in a format like: sample data: 10 11 12 13 Complete method displayMatrix below. // precondition: // postcondition: 14 15 16 17 18 19 20 21 mat is a non-empty 2D array of int values. displayMatrix displays the elements of 2D array mat in Row X Col format. public static void displayMatrix(int[][] mat)
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- 1. Take an array of size 5x5 and initialize it with random numbers of range 1 to 10, now addall the elements of the 2D array and display sum.2. Calculate the total/sum of all the values in the array.Example:Array:2 3 5 3 14 5 1 2 14 7 3 2 02 1 1 5 11 7 8 9 0Sum array: 78 3. Sum all the element in each column and display output.Example:Array:2 3 5 3 14 5 1 2 14 7 3 2 02 1 1 5 11 7 8 9 0Sum array:13 23 18 21 3 4. Perform sum of all the elements of the arrays whose row number and column numberboth are odd. Display the final sum.Example:Array:2 3 5 3 14 5 1 2 14 7 3 2 02 1 1 5 11 7 8 9 0Sum array: 13Note: create function for each taskFunctions 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 9This program is written in java. 2D arrays (matrices/grids) Write a program that takes 20 student objects and stores them in an array. Each Student object should have a first name and a last name. Sort the array by student’s last name. You can use any of the sorts you have. Then put the names into a 2D array that has 5 rows and 4 columns. Create and print 2 seating charts by printing the 2D array, formatted as shown below. Student 17 Student 18 Student 19 Student 20 Student 13 Student 14 Student 15 Student 16 Student 9 Student 10 Student 11 Student 12 Student 5 Student 6 Student 7 Student 8 Student 1 Student 2 Student 3 Student 4 second chart should look randomized, like this. Student 4 Student 8 Student 12 Student 16 Student 20 Student 3 Student 7 Student 11 Student 15 Student 19 Student 2 Student 6 Student 10 Student 14 Student 18 Student 1 Student 5 Student 9 Student…
- Java Given a 2 dimensional array, write a method to return the average of each row. The result must be returned as a one dimensional array. The array may be ragged. For example: int[][] my2DArray = { {2,5,5}, {2,6,8,4}, {6,5,2,3} } The result should be: int[] myArrayAverage = { 4, //Average of {2,5,5} 5, //Average of {2,6,8,4} 4 //Average of {6,5,2,3} } Note: You only need to write down the code inside the myMethod() code block public class CST1201Test3 { public static void main(String[] args) { int[][] my2DArray = { {2,5,5}, {2,6,8,4}, {6,5,2,3} }; int[] myArrayAverage = myMethod(my2DArray)); } static int[] myMethod(int[][] numbers) { // your answer } }The editTemperatures() method takes in two parameters: integer array tempData and integer numMore. Complete editTemperatures() to create a new array called arrayCopy with the same elements as tempData, and the size increased by numMore. Ex: If the input is: 10 48 49 18 3 then the output is: 10 48 49 18 0 0 0 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Scannerscnr=newScanner(System.in); int[] degreesFahrenheit=newint[4]; intinput; inti; for (i=0; i<degreesFahrenheit.length; ++i) { degreesFahrenheit[i] =scnr.nextInt(); } // Read number of values to increase array size by input=scnr.nextInt(); degreesFahrenheit=editTemperatures(degreesFahrenheit, input); for (i=0; i<degreesFahrenheit.length; ++i) { System.out.print(degreesFahrenheit[i] +" "); } } }// TODOd: define a "board" member variable (private) as a 2D char array of BOARD_SIZE x BOARD_SIZE // initialize it with BLANKs var board =Array( BOARD_SIZE, { Array( BOARD_SIZE, { BLANK } )
- Write a program that can be used to assign seats for a commercial airplane. The airplane has 13 rows, with six seats in each row. Rows 1 and 2 are first class, rows 3 through 7 are business class, and rows 8 through 13 are economy class. Use two parallel arrays: a one-dimensional array to store the row number of the seats (Row #) a two-dimensional array of 13 rows and 6 columns to store the seat assignments (*) and seat letters (A-F) Your program must prompt the user to enter the following information: Reserve a seat (Yes (Y/y) or No (N/n)) Assign ticket type (first class (F/f), business class (B/b), or economy class (E/e)) Select desired seat (1-13 and A-F) Your program must contain at least the following functions: a function to initialize the seat plan. a function to show the seat assignments. a function to show the menu to assign a seat. a function to assign and select your desired seat. a function for each ticket type that determines if a seat is occupied and if that class is…Make a program in JavaIn this simulation there are 7 countries competing { Mexico, Canada, China, Japan, Spain, Australia, Italy}2.There are three types of dents {Gold, Silver, Bronze}3.Use constant values for array dimensions4.Country names and medal types should be stored in an array.5.Randomly assign values between 1 and 10 that represent the number of medals of the corresponding type that the corresponding country has won.6.Show a table that represents the information of the medal table. Table must include country header names and medal type7.Show the total number of medals that each country obtained8.Show the name of the country that got the most medals, no matter the type of medal.9.Show the name of the country that obtained the most Gold medalsImage one is my file. Image 2 is my code(already have method 1 and 2) For my method 3, I want to write A method to find the index of the maximum value in an array takes one parameter, an array of integers returns the index at which the maximum value of the array occurs If the maximum value occurs multiple times, you may return the index of any occurrence
- Create a template class for a Matrix(2d array) and write the following functions in it. 1. Print the left diagonal 2. Print the right diagonal 3. Print specified row 4. Print specified column 5. Print overall matrix.Create 2D array 4 *5. Ask the user to enter the number inside the array. Print the numbers organized by rows. Calculate the average for each row. Print the least average. Finally, create a method that receives a 2D array to print its elements reverse starting from the last element.Java Program - Functions with 2D Arrays 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, write a program that asks for integer input to be assigned on a 3 x 3 array and call the function displayElements to print the contents on the next line. Input 1. Multiple lines containing integer each line Output R1C1: 1 R1C2: 2 R1C3: 3 R2C1: 4 R2C2: 5 R2C3: 6 R3C1: 7 R3C2: 8 R3C3: 9 1 2 3 4 5 6 7 8 9