Array declaration can be done in multiple ways including: 
int array[6]; (datatype arrayname [no. of array elements]) 
int array[]={1,2,3,4}; (datatype arrayname[]= {array elements}) 
int array[4]={1,2,3,4}; (datatype arrayname[arraysize]= {array elements}) 
char array[5]=”hello”; (datatype arrayname[arraysize]= {array elements})
