Java Modulo Help

Question

public void turnRight() {
        int direction=getDirection();
        if (direction==3)
            direction=0;
        else
            direction++;
        this.setDirection(direction);

So I have this method that, when called, increments direction by 1. However, the max value should be 3, so if direction is equal to 3 and the method is called, then it should go back to zero. What I have works, but I'm sure there is a way to do this using the % operator. Can anyone show me how?

Answer 1

direction++;
direction%=4;

Answer 2

int direction = getDirection();
direction++;  
direction = direction % 4;

Answer 3

public void turnRight(){this.setDirection(getDirection()%4==3?0:getDirection() + 1);}