Optional used as method argument?

[Roger Riggs]

+1

On 10/2/2015 9:51 AM, Sean Mullan wrote:
>
>
> On 10/2/15 9:27 AM, Wang Weijun wrote:
>>
>>> 在 2015年10月2日，下午8:49，Roger Riggs <Roger.Riggs at oracle.com> 写道：
>>>
>>> +1
>>>
>>> The "no such value" makes me curious about the context.
>>> The @param tag really should be saying something about the parameter.
>>
>> In fact, I'm working on a method which is similar to
>>
>>    /*
>>     * Generates some random bytes.
>>     *
>>     * @param n requested random value in bytes.
>>     * @param extraEntropy optional entropy caller can provide, null 
>> if none.
>>     */
>>    byte[] getRandom(int n, byte[] extraEntropy)
>>
>> Most caller won't be able to provide extra entropy, but if one does 
>> have a dedicated device which can generate fresh entropy, it is welcome.
>
> Alternatively, you could just add an overloaded method, and not allow 
> a null value for extraEntropy:
>
> byte[] getRandom(int n)
> byte[] getRandom(int n, byte[] extraEntropy)
>
> --Sean