Hi,
It seems that you are trying to code a hadoop job which takes input from stdin ?
As far as I know it is not possible as hadoop job works on input coming in
batches not on real time streams.
Please wait for others response as well as I am a beginner and may be missing
something here.
Ajay Srivastava
On 26-Apr-2012, at 2:27 PM, 王瑞军 wrote:
> hello everyone:
> i have a problem.we knew map() has it's own parameter such
> as map(Object key, Text value, Context context).
> the following is my structure.
>
> public class aaa{
> public static class bbb {
> public void map() {
> i want use the variable number here;
> for example;
> if(number==0) {print xxxxxx}
> }
> }
> public static void main() {
> we receive a number from the keyboard,for example;
> Scanner input = new Scanner(System.in);
> number = input.nextInt();
> }
> }
>
> so how can i do?grateful!
