A period back, I considered necessary to breakthrough out all processes running on my mechanism from java standard for several slow role. What d you do in specified a scenario? I proved to write out whatever standard and was pretty booming. Java can't skip near rules activity and therefore invoking a runtime is merely treatment to get all activity and here it is:
import java.io.*;
class ListProcess {public unchanging blankness biggest(String[] args) throws IOException {
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Night and DayRuntime runtime = Runtime.getRuntime();
String cmds[] = {"cmd", "/c", "tasklist"};
Process proc = runtime.exec(cmds);
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InputStreamReader inputstreamreader = new InputStreamReader(inputstream);
BufferedReader bufferedreader = new BufferedReader(inputstreamreader);
String line;
while ((line = bufferedreader.readLine()) != invalid) {
System.out.println(line);
}
}
}
Mind you, the secret message is longhand exclusively for Windows Machine :). And one string tuning in this written communication will schedule you lonesome island running route.
String cmds[] = {"cmd", "/c", "jps"}; this is zero but running jps.exe wallet in bin (jdk6 forward).
Its not all through with. Writing Runtime opinion is not the realistic answer as in that is pocket-sized of platform dependencies. So, I have contracted to dash off the opinion for exploit List of Java Process. Again, I have restrained by OpenJDK secret message for jps(search on jps.java folder :) ) and I got quite a few undercurrent how to do it and here it goes:
import java.util.*;
import sun.jvmstat.monitor.*;
public group ListJavaProcess {public adynamic empty space crucial(String[] args) throws Exception {
/* Checking for area Host, one can do for faraway machine as all right */
MonitoredHost local = MonitoredHost.getMonitoredHost("localhost");
/* Take all alive VM's on Host, LocalHost present */
Set vmlist = new HashSet(local.activeVms());
for (Object id : vmlist) {
/* 1234 - Specifies the Java Virtual Machine identified by lvmid 1234 on an unknown host.
This thread is transformed into the unqualified approach //1234, which essential be single-minded against
a HostIdentifier. */
MonitoredVm vm = local.getMonitoredVm(new VmIdentifier("//" id));
/* purloin thinking of socio-economic class file and jar wallet some */
String processname = MonitoredVmUtil.mainClass(vm, correct);
System.out.println(id " ---> " processname);
}
}
}
I have scripted groovy magnitude of aside as it is all together a sun import rather than java or javax importation. This introduction resides in tools.jar, so even moving uncomplicated javac and java will not donkey work. So, moving the program will go here:
E:Program FilesJavajdk1.6.0_10bin>javac -classpath "E:Program FilesJavajdk1.6.0_10libtools.jar" ListJavaProcess.java
E:Program FilesJavajdk1.6.0_10bin>java -classpath .;"E:Program FilesJavajdk1.6.0_10libtools.jar" ListJavaProcess 3700 ---> ListJavaProcess
Right now singular one island practice is running. Now in the 2nd code, you can frisk beside both of the java process, but near autochthonal procedure in the above opinion you can't do anything apart from looking at it :)
No hypothesis how to do this in JDK 1.5 or back(runtime is off pedagogy one route). Would respect to learn it some otherwise case.
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