Uses of Package
org.bukkit.projectiles

Packages that use org.bukkit.projectiles 
Package Description
org.bukkit.block
Classes used to manipulate the voxels in a world, including special states.
org.bukkit.entity
Interfaces for non-voxel objects that can exist in a world, including all players, monsters, projectiles, etc.
org.bukkit.projectiles
Classes to represent the source of a projectile