Welcome to the Higher-Kinded-J tutorial series! These hands-on tutorials will teach you how to use higher-kinded types and optics in Java through practical exercises.

Fast-food chain KFC has joined the novelty outerwear arms race with a gherkin-filled puffer jacket, hooked up to a built-in straw for picklebacks on the go. Following hot on the heels of Aldi's Jacket ...

also supply some potassium required for a healthy heart and water balance, but this is somewhat counteracted by the high level of sodium.