Single Dimentional Array in C

#include <stdio.h>
int numbers[4] = { 10, 20, 30, 40};
char characters[3] = {'a','b','c'};
char country[10] = {'B','A','N','G','L','A','D','E','S','H',"\0"};
int main(){
printf("%d\n",numbers[2]);
printf("%c \n",characters[0]);
printf("%s",country);
}