please give me an idea how to know the jobs currently running on my machine using java code.
what i mean by a job is:for example i have started netscape this is one job,i am executing a java application this is another job and so on.
my question is, how can i know what jobs are currently running on my machine using" java code".
please try to help me.
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If your operating system offers utility commands that display the informatin that you want, then you can use Runtime.exec to execute them.
Runtime.exec returns a Process object. You use the process object get the the standard output of the command as an input stream. You can then analyze that information.
Cheers,
Ken Jones
PS -
If your system does not offer such commands, then another option is to write 'native' commands that do what you want and send their output to standard output. If you do this, then you can apply the procedure I outlined in my earlier post to get the information without doing JNI.
Your exact needs may dictate the best approach for you.
Cheers, again!
this code will be platform dependant in any case.
you can try jni, or you can try Runtime.exec().
'ps' will work for unix systems.
for windows systems, I dont know of a console comand to get that input, although one can easiely be written in native code.
there is no platform independant way to get that information.
look at this piece of code :
import java.io.*;
public class ConsoleTest
{
public ConsoleTest()
{
try {
Process p = Runtime.getRuntime().exec(
DataInputStream in = new DataInputStream(p.getInput
String s;
while( (s = in.readLine()) != null)
{
System.err.println(s);
}
}
catch (Exception ex) {
ex.printStackTrace();
}
}
public static void main(String[] args)
{
ConsoleTest consoleTest1 = new ConsoleTest();
}
}
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by: barrelPosted on 2000-09-15 at 00:05:32ID: 4312637
You'd have to use native code and embed that in your java code (JNI).
Since java runs in its own environment (the virtual machine), java cannot 'know' what happens outside its JVM.
WIth JNI, it is of course possible to access system resources
Barrel