This is the Leap Motion Java SDK. The Leap Motion SDKs offer two variations of API for retrieving the Leap Motion data: a native and a WebSocket interface. These APIs allow developers to create applications in several programming languages.Leap Motion is a system that identifies and tracks hands, fingers and finger-like tools. It is done with great precision and reports distinct positions, gestures, and motions. Leap Motion uses optical sensors and infrared light and the Leap Motion API measures physical quantities.