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Program n21

Java Program

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debojit052007
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21 views4 pages

Program n21

Java Program

Uploaded by

debojit052007
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Program no: 21

import java.util.*;

public class Program_21 {

public void selectionSort(int[][] array) {

int m = array.length;

int n = array[0].length;

for (int i = 0; i < m; i++) {

for (int j = 0; j < n; j++) {

int minIndex = j;

for (int k = j + 1; k < n; k++) {

if (array[i][k] < array[i][minIndex]) {

minIndex = k;

// Swapping elements

int temp = array[i][j];

array[i][j] = array[i][minIndex];

array[i][minIndex] = temp;

public int[] findLocation(int[][] array, int searchNum) {

int m = array.length;

int n = array[0].length;
for (int i = 0; i < m; i++) {

for (int j = 0; j < n; j++) {

if (array[i][j] == searchNum) {

return new int[] {i, j};

return null;

public void printArray(int[][] array) {

for (int i = 0; i < array.length; i++) {

for (int j = 0; j < array[0].length; j++) {

System.out.print(array[i][j] + " ");

System.out.println();

public void main() {

Scanner scanner = new Scanner(System.in);

// Accepting array dimensions

System.out.print("Enter the number of rows (m): ");

int m = scanner.nextInt();

System.out.print("Enter the number of columns (n): ");


int n = scanner.nextInt();

// Declaring 2D array

int[][] array = new int[m][n];

// Accepting array elements row-major wise

System.out.println("Enter the array elements:");

for (int i = 0; i < m; i++) {

for (int j = 0; j < n; j++) {

array[i][j] = scanner.nextInt();

// Sorting array using Selection Sort

selectionSort(array);

// Displaying sorted array

System.out.println("Sorted array:");

printArray(array);

// Accepting number to search

System.out.print("Enter a number to search: ");

int searchNum = scanner.nextInt();

// Finding location of searchNum

int[] location = findLocation(array, searchNum);

// Displaying location

if (location != null) {

System.out.println("Number found at: (" + location[0] + ", " + location[1] + ")");

} else {

System.out.println("Number not found! Please try again...");}}}


Output:

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