String[] groceryItems = new String[10];
[ 0 ]                “cat food”
[ 1 ]                “rice”
    .                                 .
    .                                 .
    .                                 . 
[ 8 ]                “spinach”
[ 9 ]                “butter”
groceryItems
Expression                     Class/Type
groceryItems                           Array
groceryItems[0]                      String
groceryItems[0].charAt(0)     char