How to use Axis Camera Servos in Java

[graham.robots]

//Declaration
Servo cameray = new Servo(7);

//Implementation
if (aButton.get() && !yButton.get())
{
//Tried both of these
//cameray.set(1);
cameray.setAngle(180);
}
else
{
//cameray.set(0);
cameray.setAngle(90);
}