[Java] How to find running java process in java

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/** ********************************************************* * FindRunningJavaProcess.java ********************************************************* * @version 1.0.00 2017. 6. 21. dorbae(dorbae.io@gmail.com) Initialize * @since 2017. 6. 21. * @author dorbae(dorbae.io@gmail.com) Initialize */ package pe.dorbae.test; import java.util.Iterator; import java.util.Set; import sun.jvmstat.monitor.MonitoredVm; import sun.jvmstat.monitor.MonitoredVmUtil; import sun.jvmstat.monitor.VmIdentifier; /** * @author Administrator * */ public class FindRunningJavaProcess { /** ********************************************************* * @param args ********************************************************* * @version 1.0.00 2017. 6. 21. dorbae(dorbae.io@gmail.com) Initialize * @since 2017. 6. 21. * @author dorbae(dorbae.io@gmail.com) Initialize */ public static void main(String[] args) { MonitoredVm vm = null; VmIdentifier id = null; int lvmId = -1; String className = null; String arg = null; String vmArg = null; String vmVersion = null; String commandLine = null; try { sun.jvmstat.monitor.HostIdentifier hostId = new sun.jvmstat.monitor.HostIdentifier( "localhost"); sun.jvmstat.monitor.MonitoredHost monitoredHost = sun.jvmstat.monitor.MonitoredHost.getMonitoredHost( hostId); // Get Active VMs Set< Integer> jvms = monitoredHost.activeVms(); if ( jvms == null) System.out.println( "ActiveVM is null."); else if ( jvms.size() < 1) System.out.println( "ActiveVM's size is 0."); for ( Iterator< Integer> j = jvms.iterator(); j.hasNext(); /* empty */ ) { lvmId = j.next().intValue(); String vmidString = "//" + lvmId; try { id = new VmIdentifier( vmidString); try { vm = monitoredHost.getMonitoredVm( id, 0); if ( vm == null) { System.out.println( "MonitoredVm is null)."); continue; } // Get Java class name. true : full path including package, false : only class name className = MonitoredVmUtil.mainClass( vm, true); // Program arguments arg = MonitoredVmUtil.mainArgs( vm); // VM options vmArg = MonitoredVmUtil.jvmArgs( vm); // JVM version vmVersion = MonitoredVmUtil.vmVersion( vm); // Command line commandLine = MonitoredVmUtil.commandLine( vm); System.out.printf( "CLASS=[%s], ARG=[%s], VMARG=[%s], VMVERSION=[%s], COMMANDLINE=[%s]\n" , className , arg , vmArg , vmVersion , commandLine ); } catch ( Exception e) { System.out.println( "Failed to get MonitoredVm."); e.printStackTrace(); } } catch ( Exception e) { e.printStackTrace(); } finally { if ( vm != null) try { monitoredHost.detach( vm); } catch ( Exception e) { e.printStackTrace(); } } } // End of for } catch ( Exception e) { e.printStackTrace(); } } }