(PCC)::[How-to-write-Java-Program-to-Multiply-two-Matrices-by-Passing-Matrix-to-a-Function]::[java]
//Example: Program to Multiply Two Matrices using a Function public class MultiplyMatricesNew { public static void main(String[] args) { int r1 = 2, c1 = 3; int r2 = 3, c2 = 2; int[][] firstMatrix = { {3, -2, 5}, {3, 0, 4} }; int[][] secondMatrix = { {2, 3}, {-9, 0}, {0, 4} }; // Mutliplying Two matrices int[][] product = multiplyMatrices(firstMatrix, secondMatrix, r1, c1, c2); // Displaying the result displayProduct(product); } public static int[][] multiplyMatrices(int[][] firstMatrix, int[][] secondMatrix, int r1, int c1, int c2) { int[][] product = new int[r1][c2]; for(int i = 0; i < r1; i++) { for (int j = 0; j < c2; j++) { for (int k = 0; k < c1; k++) { product[i][j] += firstMatrix[i][k] * secondMatrix[k][j]; } } } return product; } public static void displayProduct(int[][] product) { System.out.println("Product of two matrices is: "); for(int[] row : product) { for (int column : row) { System.out.print(column + " "); } System.out.println(); } } }