Printing out an array of characters

/* 1204.c: Printing out an array of characters */
#include <stdio.h>

main()
{
    char array_ch[7] = {'H', 'e', 'l', 'l', 'o', '!', '\0'};
    int i;

    for (i=0; i<7; i++)
    printf("array_ch[%d] contains: %c\n", i, array_ch[i]);
    /*--- method I ---*/
    printf( "Put all elements together(Method I):\n");
    for (i=0; i<7; i++)
    printf("%c", array_ch[i]);
    /*--- method II ---*/
    printf( "\nPut all elements together(Method II):\n");
    printf( "%s\n", array_ch);

    return 0;
}