[Java] Development Kit Issues

[Dan]

Ali Helmy wrote:
> Hey mate,
>
> Thanks for the information... i tried your suggestion about the 
> BufferedReader and it worked... however:
>
> Possibly there's still some gcj toolset stuff left. If you want to 
> solve this clean, check out the jpackage.org <http://jpackage.org/> 
> site and download the rpm building package. It allows you to create an 
> rpm file for the jdk which is compatible with "alternatives". This 
> way, you can switch the system JRE between gcj and the Sun JDK (and 
> others).
>
> umm, can you provide more detailed info?
>
> On 26/03/06, *Klaasjan Brand* < klaasjan at gmail.com 
> <mailto:klaasjan at gmail.com>> wrote:
>
>
>
>     On 3/26/06, *Ali Helmy* < alihelmy at gmail.com
>     <mailto:alihelmy at gmail.com>> wrote:
>
>         Hey mates,
>
>         I need to inquire about two issues in particular regarding
>         JDK... Firstly, so that you can understand my background:
>
>         - I'm running FedoraCore 5
>         - In the FC installation, I installed the regular Java
>         Development libs & tools (such as eclipse, gcj, ...etc)
>         - I downloaded and installed the JDK1.5 and the JVM from Sun
>         Microsystems, Inc.
>         - I removed all the java related bins in the /usr/bin folder,
>         then recreated the links to the new bins in the
>         /usr/java/jdk1.4.0/bin library to make the javac, java, jar,
>         javah... etc commands use the new JDK 
>
>
>         Now here's my problems:
>
>         A) When i create a jar file (ex: jar -cf Anyfile.jar
>         Anyclass.class), the manifest file created with it
>         (META-INF/MANIFEST) lists:
>         Manifest-Version: 1.0
>         Created-By: 0.92-gcc
>         where you see, that my problem is that the manifest file was
>         created by "gcc" apparently, and not 1.5.0_01 (Sun
>         Microsystems Inc.) which should have been the case... so, how
>         can i change the manifest file maker?
>
>
>     Possibly there's still some gcj toolset stuff left. If you want to
>     solve this clean, check out the jpackage.org <http://jpackage.org>
>     site and download the rpm building package. It allows you to
>     create an rpm file for the jdk which is compatible with
>     "alternatives". This way, you can switch the system JRE between
>     gcj and the Sun JDK (and others). 
>
>
>         And the Note I Get after compiling with (javac
>         -Xlint:deprecation ...etc):
>         [ahelmy at Laptop Java]$ javac -Xlint:deprecation
>         ReadingFromConsole.java
>         ReadingFromConsole.java:12: warning: [deprecation] readLine()
>         in java.io.DataInputStream has been deprecated
>                                 UsrInput = IStream.readLine();
>
>         So, does anyone know a replacement to read directly a line of
>         user input from the ( System.in <http://System.in>) through a
>         console? Because .readline( ) was the one listed in the API
>
>
>     It's in the API documentation:
>     http://java.sun.com/j2se/1.4.2/docs/api/java/io/DataInputStream.html#readLine()
>     <http://java.sun.com/j2se/1.4.2/docs/api/java/io/DataInputStream.html#readLine%28%29>
>
>     Wrap the InputStream in a BufferedReader and you'll get rid of the
>     deprecation (and gain compatibility with different character sets).
>
>     Klaasjan
>
>
>     --
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>
>
>
>
> -- 
> A. Helmy 
Check out the first and second replies of this post:
http://www.fedorasolved.com/viewtopic.php?t=120
It's for FC4, but the same thing works for FC5.
-Dan