import java.lang.management.ClassLoadingMXBean;

import java.lang.management.ManagementFactory;

import java.lang.management.MemoryMXBean;

import java.lang.management.OperatingSystemMXBean;

import java.lang.management.RuntimeMXBean;

import java.lang.management.ThreadMXBean;

import java.text.DecimalFormat;

import java.text.DecimalFormatSymbols;

import java.text.NumberFormat;

import java.util.Locale;

public class JVMResource{

    public static void main(String[] args) {

        new JVMResource().printSummary();

    }

    private NumberFormat fmtI = new DecimalFormat("###,###", new DecimalFormatSymbols(Locale.ENGLISH));

    private NumberFormat fmtD = new DecimalFormat("###,##0.000", new DecimalFormatSymbols(Locale.ENGLISH));

    private final int Kb = ;

    public void printSummary() {

        RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();

        OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();

        ThreadMXBean threads = ManagementFactory.getThreadMXBean();

        MemoryMXBean mem = ManagementFactory.getMemoryMXBean();

        ClassLoadingMXBean cl = ManagementFactory.getClassLoadingMXBean();

        System.out.printf("jvmName:%s %s %s%n", runtime.getVmName(), "version", runtime.getVmVersion());

        System.out.printf("jvmJavaVer:%s%n", System.getProperty("java.version"));

        System.out.printf("jvmVendor:%s%n", runtime.getVmVendor());

        System.out.printf("jvmUptime:%s%n", toDuration(runtime.getUptime()));

        System.out.printf("threadsLive:%d%n", threads.getThreadCount());

        System.out.printf("threadsDaemon:%d%n", threads.getDaemonThreadCount());

        System.out.printf("threadsPeak:%d%n", threads.getPeakThreadCount());

        System.out.printf("threadsTotal:%d%n", threads.getTotalStartedThreadCount());

        System.out.printf("heapCurr:%d%n", mem.getHeapMemoryUsage().getUsed() / Kb);

        System.out.printf("heapMax:%d%n", mem.getHeapMemoryUsage().getMax() / Kb);

        System.out.printf("heapCommitted:%d%n", mem.getHeapMemoryUsage().getCommitted() / Kb);

        System.out.printf("osName:%s %s %s%n", os.getName(), "version", os.getVersion());

        System.out.printf("osArch:%s%n", os.getArch());

        System.out.printf("osCores:%s%n", os.getAvailableProcessors());

        System.out.printf("clsCurrLoaded:%s%n", cl.getLoadedClassCount());

        System.out.printf("clsLoaded:%s%n", cl.getTotalLoadedClassCount());

        System.out.printf("clsUnloaded:%s%n", cl.getUnloadedClassCount());

    }

    protected String printSizeInKb(double size) {

        return fmtI.format((long) (size / )) + " kbytes";

    }

    protected String toDuration(double uptime) {

        uptime /= ;

        if (uptime < ) {

            return fmtD.format(uptime) + " seconds";

        }

        uptime /= ;

        if (uptime < ) {

            long minutes = (long) uptime;

            String s = fmtI.format(minutes) + (minutes >  ? " minutes" : " minute");

            return s;

        }

        uptime /= ;

        if (uptime < ) {

            long hours = (long) uptime;

            long minutes = (long) ((uptime - hours) * );

            String s = fmtI.format(hours) + (hours >  ? " hours" : " hour");

            if (minutes != ) {

                s += " " + fmtI.format(minutes) + (minutes >  ? " minutes" : " minute");

            }

            return s;

        }

        uptime /= ;

        long days = (long) uptime;

        long hours = (long) ((uptime - days) * );

        String s = fmtI.format(days) + (days >  ? " days" : " day");

        if (hours != ) {

            s += " " + fmtI.format(hours) + (hours >  ? " hours" : " hour");

        }

        return s;

    }

}

jvmName:Java HotSpot(TM) -Bit Server VM version 25.66-b17

jvmJavaVer:1.8.0_66

jvmVendor:Oracle Corporation

jvmUptime:0.166 seconds

threadsLive:

threadsDaemon:

threadsPeak:

threadsTotal:

heapCurr:

heapMax:

heapCommitted:

osName:Mac OS X version 10.11.

osArch:x86_64

osCores:

clsCurrLoaded:

clsLoaded:

clsUnloaded: