Consider the following code segment that includes a method called add.The add method is a sample method for the addition of two 2-dimensionalarrays with equal number of rows and columns. Suppose the add methodis invoked as shown, what will be the value of the expressiona3[0][1]? *int[][] al = {{1,2,1},{2,1,1},{3,1,2}};int[][] a2 = {{2,2,2},{3,3,3},{1,1,1}};int[][] a3 = new int[al.length][a2[@].1ength];a3 = add(al, a2);// more statements herepublic static int[][] add(int[][] a1, int[][] a2) {int[][] sum = new int[al.length][al[@].length];for (int r = 0; r < a2[0].1ength; r++) {for (int c = 0; c < a2[0].1ength; c++) {%3Dsum[r][c] = a1[r][c] + a2[r][c];return sum;

Answered: "he add method is a sample method for…

"he add method is a sample method for the addition of two 2- arrays with equal number of rows and columns. Suppose the a s invoked as shown, what will be the value of the expression 3[0][1]? *

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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Concept explainers

Array

The simplest way to start thinking about an array is as a collection, or a set of elements. In programming, these elements may be constants, variables, functions and pointers.

Question

Consider the following code segment that includes a method called add.
The add method is a sample method for the addition of two 2-dimensional
arrays with equal number of rows and columns. Suppose the add method
is invoked as shown, what will be the value of the expression
a3[0][1]? *
int[][] al = {{1,2,1},
{2,1,1},
{3,1,2}};
int[][] a2 = {{2,2,2},
{3,3,3},
{1,1,1}};
int[][] a3 = new int[al.length][a2[@].1ength];
a3 = add(al, a2);
// more statements here
public static int[][] add(int[][] a1, int[][] a2) {
int[][] sum = new int[al.length][al[@].length];
for (int r = 0; r < a2[0].1ength; r++) {
for (int c = 0; c < a2[0].1ength; c++) {
%3D
sum[r][c] = a1[r][c] + a2[r][c];
return sum;

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