What are classification of cocktails?

* Whiskey cocktails: These cocktails are made with whiskey as the base spirit. Some popular whiskey cocktails include the Manhattan, the Old Fashioned, and the Sour.

* Vodka cocktails: These cocktails are made with vodka as the base spirit. Some popular vodka cocktails include the Bloody Mary, the Moscow Mule, and the Cosmopolitan.

* Gin cocktails: These cocktails are made with gin as the base spirit. Some popular gin cocktails include the Martini, the Negroni, and the Tom Collins.

* Rum cocktails: These cocktails are made with rum as the base spirit. Some popular rum cocktails include the Mojito, the Daiquiri, and the Piña Colada.

* Tequila cocktails: These cocktails are made with tequila as the base spirit. Some popular tequila cocktails include the Margarita, the Paloma, and the Sunrise.

2. By flavor profile:

* Sweet cocktails: These cocktails are characterized by their sweet flavor. Some popular sweet cocktails include the Piña Colada, the Margarita, and the Mai Tai.

* Sour cocktails: These cocktails are characterized by their sour flavor. Some popular sour cocktails include the Daiquiri, the Sidecar, and the Whiskey Sour.

* Bitter cocktails: These cocktails are characterized by their bitter flavor. Some popular bitter cocktails include the Negroni, the Boulevardier, and the Old Fashioned.

* Herbal cocktails: These cocktails are characterized by their herbaceous flavor. Some popular herbal cocktails include the Mojito, the Tom Collins, and the Basil Smash.

* Spicy cocktails: These cocktails are characterized by their spicy flavor. Some popular spicy cocktails include the Bloody Mary, the Michelada, and the Jalapeño Margarita.

3. By serving style:

* Shaken cocktails: These cocktails are shaken with ice in a cocktail shaker and then strained into a glass. Some popular shaken cocktails include the Martini, the Daiquiri, and the Whiskey Sour.

* Stirred cocktails: These cocktails are stirred with ice in a mixing glass and then strained into a glass. Some popular stirred cocktails include the Negroni, the Boulevardier, and the Old Fashioned.

* Built cocktails: These cocktails are built directly in the glass by adding the ingredients one at a time. Some popular built cocktails include the Bloody Mary, the Michelada, and the Paloma.

* Frozen cocktails: These cocktails are made with frozen ingredients and blended until smooth. Some popular frozen cocktails include the Piña Colada, the Margarita, and the Mai Tai.

* Hot cocktails: These cocktails are made with hot ingredients and served warm. Some popular hot cocktails include the Hot Toddy, the Irish Coffee, and the Glühwein.