You have 4 diferent classes:

Employee --> Bartender, Cocktail, Cocktail_Bar,

This is the code for app for making cocktails and managing coctail bar. Functions allow to see:

-what cocktails are on the bar menu, -to see ingredients for every cocktail, -to add new cocktail to bar menu, -to delete cocktail for bar manu, -to see what cocktails can you make with specific drinks, -to see what ingredients you need to buy so that you can make all cocktails.

Also to se information about bartenders such as:

-name, last name, contact, salary..., -to apply raise to salary, -to see what cocktails bartender can make.