Write a Java code :

2. Write code that will fill the following array a with numbers typed at the keyboard: int [ [] a-new int[41[5]; 3 Write Java programs for following: 1. To create a 2D array to store numbers. Take the input of the array. Display the contents of the array in the matrix 2. To create two 2D arrays and carry out the following operations: sum of the two matrices and difference of the two 3. To create a matrix of size of MXN, find the sum of each row, sum of each column and if it is a square matrix then 4. To create a square matrix of order 3x3 containing integers, using a method CREATE). The program should then use form. Find and display the sum of all elements, sum of all even numbers, and sum of all odd numbers. matrices. Display the matrices in a proper matrix format using a method. find the sum of diagonal elements also. M and N are user input. a function SWAP) which swaps two integer values, to find the transpose of the matrix, and display the transpose using a function DISPLAYO)