public class Program {
public static void fill_array(char arr[][], int size, char ch1, char ch2, char ch3) {
for (int i = 0; i < size; i++) {
for (int j = 0; j < size; j++) {
if ((i + j) % 3 == 0) {
arr[i][j] = ch1;
} else if ((i + j) % 3 == 1) {
arr[i][j] = ch2;
} else {
arr[i][j] = ch3;
}
}
}
}
public static void main(String[] args) {
int size = 6;
char arr[][] = new char[size][size];
fill_array(arr, size, '#', '$', '*');
for (int i = 0; i < size; i++) {
for (int j = 0; j < size; j++) {
System.out.print(arr[i][j] + " ");
}
System.out.println();
}
}
}
/*
run:
# $ * # $ *
$ * # $ * #
* # $ * # $
# $ * # $ *
$ * # $ * #
* # $ * # $
*/