I apologize for that mistake. Here is a Java function that implements the Gray code and returns the next sequence code after a given code in a given direction of rotation:

public static int nextGrayCode(int code, boolean direction) {
    if (direction == true) {
        return code ^ (code >> 1);
    } else {
        int mask = code >> 1;
        while (mask != 0) {
            code = code ^ mask;
            mask = mask >> 1;
        }
        return code;
    }
}

In this function, code is the given code and direction is a boolean value indicating the direction of rotation. If direction is true, the function returns the next code in the sequence. If direction is false, the function returns the previous code in the sequence.
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