Semin ew. code that finds the sum of two matrices. Use the following method header public static int[][] addMatrix(int[][] a, int[][] b)The rules for adding two matrices are:1. both matrices should have the exact same dimensions (i.e. height and width) – you need to check for this rule in your program.2. both matrices should have elements that have compatible types – you don’t have to add extra code to check this rule in your method as it will only accept int arrays. Use the following class to test the methods you developpublic class Test {public static void main(String[] args) {}}int[] [] m1}={int[] [] m2 = {{ 14, 11, 13, 12),{18, 15, 13, 13),{ 19, 16, 15, 17 } };{54, 53, 51, 52 },{ 51, 59, 52, 56},{ 53, 54, 52, 58 } };System.out.println("Firstarray:");displayArray (ml);System.out.println("Second array: ");displayArray (m2) ;}/* write simple code to test your method and usedisplayArray to display the result if applicable//write your methods code here.public static void displayArray (int[] [] m) {for (int r = 0; r < m.length; r++) {for (int c = 0; c < m[r].length; c++)System.out.print (m[r] [c] + " ");System.out.println();For all questions, assume that we use only rectangular arrays (i.e., all rows have the same length). As seen in the image below, the resulting matrix elements should be the sum of the respective pairof elements from the two matrices (that are being added):alla12 a13a21922a23a31 932a33/bil+ b₂1b31b12 b13₂223b32b33)Test your program using the Test classSample runFirst array:14 11 13 1218 15 13 1319 16 15 17Second array:54 53 51 5251 59 52 5653 54 52 58=all + bila21 + b₂1a31 + b31The addition of the above two arrays is68 64 64 6469 74 65 6972 70 67 75a12 + b12+ b22a32 + b32922a13 + b1323 + b23a33 + b33)

Algorithm: Start Declare two 2D arrays m1 and m2 Print “First array:” Call the method…

Answered: public class Test { public static void…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Semin ew. code that finds the sum of two matrices. Use the following method header
public static int[][] addMatrix(int[][] a, int[][] b)

The rules for adding two matrices are:
1. both matrices should have the exact same dimensions (i.e. height and width) – you need to check for this rule in your program.
2. both matrices should have elements that have compatible types – you don’t have to add extra code to check this rule in your method as it will only accept int arrays.

Use the following class to test the methods you develop
public class Test {
public static void main(String[] args) {
}
}
int[] [] m1
}
=
{
int[] [] m2 = {
{ 14, 11, 13, 12),
{
18, 15, 13, 13),
{ 19, 16, 15, 17 } };
{
54, 53, 51, 52 },
{ 51, 59, 52, 56},
{ 53, 54, 52, 58 } };
System.out.println("First
array:");
displayArray (ml);
System.out.println("Second array: ");
displayArray (m2) ;
}
/* write simple code to test your method and use
displayArray to display the result if applicable
//write your methods code here.
public static void displayArray (int[] [] m) {
for (int r = 0; r < m.length; r++) {
for (int c = 0; c < m[r].length; c++)
System.out.print (m[r] [c] + " ");
System.out.println();
For all questions, assume that we use only rectangular arrays (i.e., all rows have the same length).

As seen in the image below, the resulting matrix elements should be the sum of the respective pair
of elements from the two matrices (that are being added):
all
a12 a13
a21
922
a23
a31 932
a33/
bil
+ b₂1
b31
b12 b13
₂2
23
b32
b33)
Test your program using the Test class
Sample run
First array:
14 11 13 12
18 15 13 13
19 16 15 17
Second array:
54 53 51 52
51 59 52 56
53 54 52 58
=
all + bil
a21 + b₂1
a31 + b31
The addition of the above two arrays is
68 64 64 64
69 74 65 69
72 70 67 75
a12 + b12
+ b22
a32 + b32
922
a13 + b13
23 + b23
a33 + b33)

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