[5440] in java-interest
Confusion with DataInputStream ...
daemon@ATHENA.MIT.EDU (Dhaval M Shah)
Thu Feb 8 22:58:51 1996
From: Dhaval M Shah <dhaval@cs.uow.edu.au>
To: java-interest@java.sun.com
Date: Thu, 8 Feb 1996 22:09:59 +1100 (EST)
Cc: owner-java-interest@java.sun.com
Hello Everybody,
I am a student with good 'C' background and trying to learn
java.
I want to read in integer, double and float values -
but did not find a suitable manner to do that in java !!!!
I tried DataInputStream and am particularly confused with the
behaviour of DataInputStream.
This is the following code fragment I tried :
----------
import java.io.*;
class mainclass
{
public static void main(String args[])
throws java.io.IOException
{
int i;
DataInputStream inputstream = new DataInputStream(System.in);
// Associate it to System.in
System.out.println("Enter i : ");
i = inputstream.readInt();
System.out.println(i);
}
}
---------
In C, we can give scanf("%3d",...) statements to read in an
integer of 3 digits etc.
When I run the above java code fragment, I have to type in
atleast 3 digits, to come out of the inputstream.readInt()
line and the System.out.println(i) prints "junk".
Is there a way to read in integers, double and float from
the Standard Input apart from reading in strings and converting it to int,
double or float
Hope to hear soon...
Thanks in advance ....
Dhaval
--
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Dhaval M. Shah
dhaval@cs.uow.edu.au (Home) : +61 42 258519
Dept. of Computer Science
University of Wollongong 2/13 Catherine St., Gwynneville,
NSW 2522 Australia NSW 2500 Australia
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