One technique is to assign class numbers by walking the inheritance tree of Object depth first. Then all descendants of a given object fall in a range m to n and no other classes fall in that range. The problem comes when a new class is loaded, especially via Class.forName which would upset the numbering scheme.
For the fictional language, see Dothraki language. The fictional world in which the A Song of Ice and Fire novels by George R. R. Martin take place is divided into several continents. Most of the story takes place on the continent Westeros, in a large political entity known as the Seven Kingdoms.
Unsullied purify themselves according to the laws of their great goddess; one way is to bathe in the salt sea. Even if there is no water around, they will maintain strict cleanliness, bathing themselves by rubbing their bodies with sand in Dothraki fashion.