Code:
//definitions
Joystick stick = new Joystick(1);
//usage
float axis = stick.getRawAxis(axisNumber); //see table below for axis numbers
boolean button = stick.getRawButton(buttonNumber);
Axis indexes:
1 - LeftX
2 - LeftY
3 - Triggers (Each trigger = 0 to 1, axis value = right - left)
4 - RightX
5 - RightY
6 - DPad Left/Right
Button mapping matches Windows Control Panel>Game Pads display