//this way u can fill your array row by row
Scanner input = new Scanner(System.in);
for (int i = 0; i < row; i++){
for (int j = 0; j < column; j++){
array[i][j] = input.nextInt();
}
}
//this way u can fill your array column by column
//Scanner input = new Scanner(System.in);
for (int i = 0; i < column; i++){
for (int j = 0; j < row; j++){
array[i][j] = input.nextInt();
}
}
IntStream.range(0, array.length).forEach(x -> Arrays.setAll(
array[x], y -> String.format("%c%c", letter(x), letter(y))));
static String[][] testArraySetAll() {
String[][] array = new String[3][3];
Arrays.setAll(array, x -> {
Arrays.setAll(array[x], y -> String.format("%c%c", letter(x), letter(y)));
return array[x];
});
return array;
}