TwoDarray.java

import java.util.*;
public class TwoDarray {
    public static boolean search(int matrix[][], int key){
        Scanner sc = new Scanner(System.in);
        for(int i = 0; i<matrix.length; i++){
            for(int j = 0; j<matrix[0].length; j++){
                if(matrix[i][j]==key){
                    System.out.println(key + " found at index= "+ i+ ", "+j);
                    return true;
                }

            }
        }
        System.out.println("Element not found.");
        return false;
    }
    public static void main(String args[]){
        int matrix[][]= new int[3][3];
        int n = matrix.length, m = matrix[0].length;
        Scanner sc = new Scanner(System.in);
        for (int i = 0; i<n;i++){
            for (int j=0; j<m; j++){
                matrix[i][j]= sc.nextInt();
                System.out.print(matrix[i][j]+" ");
            }
            System.out.println(" ");
        }
        search(matrix, 2);
    }
}