Which is the proper format for declaring an integer array and assigning values?

Question $2$ options:

int myArray;

int $[]$ myArray$=\{1$f$,2$f$,3$f$,4$f$,5$f$\}$;

int $[]$ myArray$=\{1,2,3,4,5\}$;

myArray$[$int$]$;