import java. util.*; public class lab03 { static void print2D(int[][]A) { } static int[][] add2Ds(int[][]A, int[][]B) { } static int[][] multiScalar2D(int scalar, int[][]A) { } static int[][] transpose2D(int[][]A) { } public static void main(String args[]) { int A[][] = {{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12}}; int B[][] = {{2, 4, 6, 8}, {10, 12, 14, 16}, {18, 20, 22, 24}}; System.out.println("Instructor's test program "); System.out.println("A = "); print2D(A); System.out.println("B = "); print2D(B); System.out.println("A + B = "); print2D(add2Ds(A,B)); System.out.println("5 X A = "); print2D(multiScalar2D(5,A)); System.out.println("Transpose of A = "); print2D(transpose2D(A)); } }