Depends on the scope. "apple[i]" is more readable than "apple[apple_index]". Long names are for globals or longer lived scopes. Java programmers are notorious

Depends on the scope. "apple[i]" is more readable than "apple[apple_index]". Long names are for globals or longer lived scopes. Java programmers are notorious for using long names in small local scopes. Don't miss the forest for the trees.