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import java.util.Random;
public class TwoDArray {
public static void main(String[] args) {
// Creation of 2D Array
int matrix[][] = new int[3][3];
// To calculate the number of rows=
int row = matrix.length;
// To calculate the number of Column
int column = matrix[0].length;
Random random = new Random();
// Inserting Values into the 2D array.
for (int i = 0; i < row; i++) {
for (int j = 0; j < column; j++) {
// The range of random number is from 0-10 where 10 is exclusive
matrix[i][j] = random.nextInt(10);
}
}
// Printing the 2D Array
for (int i = 0; i < row; i++) {
for (int j = 0; j < column; j++) {
System.out.print(matrix[i][j] + " ");
}
System.out.println();
}
// Searching in 2D array;
int key = 5;
boolean found=false;
for (int i = 0; i < row; i++) {
for (int j = 0; j < column; j++) {
if(matrix[i][j]==key) {
System.out.println("key="+key);
System.out.println("Found at cell"+"["+i + ","+j+"]");
found=true;
}
}
}
if(!found){
System.out.println(-1);
}
}
}