Java: Static method to set n bit of int

/**
     * Set n bit in the integer value.
     * bit is 0 based.
     * @param value
     * @param bit
     * @return value with the n bit set
     */
    public static int setBit(int value, int bit) {
        int posVal = (int)Math.pow(2, (double)bit);
        return value | posVal;
    }