Thread: To get graph of System performance in java

import java.io.BufferedReader;
import java.io.File;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.util.*;
 
public class psk {
  private psk() {  }
 
  public static List<String> listRunningProcesses() {
    List<String> processList = new ArrayList<String>();
    try {
 
        File file = File.createTempFile("realhowto",".vbs");
        file.deleteOnExit();
        FileWriter fw = new java.io.FileWriter(file);
 
        String vbs = "Set WshShell = WScript.CreateObject(\"WScript.Shell\")\n"
                   + "Set locator = CreateObject(\"WbemScripting.SWbemLocator\")\n"
                   + "Set service = locator.ConnectServer()\n"
                   + "Set processes = service.ExecQuery _\n"
                   + " (\"select name from Win32_Process\")\n"
                   + "For Each process in processes\n"
                   + "wscript.echo process.Name \n"
                   + "Next\n"
                   + "Set WSHShell = Nothing\n";
 
        fw.write(vbs);
        fw.close();
        Process p = Runtime.getRuntime().exec("cscript //NoLogo " + file.getPath());
        BufferedReader input =
            new BufferedReader
              (new InputStreamReader(p.getInputStream()));
        String line;
        while ((line = input.readLine()) != null) {
            processList.add(line);
        }
        input.close();
    }
    catch(Exception e){
        e.printStackTrace();
    }
    return processList;
  }
 
  public static void main(String[] args){
    List<String> processes = VBSUtils.listRunningProcesses();
    String result = "";
 
    Iterator<String> it = processes.iterator();
    int i = 0;
    while (it.hasNext()) {
       result += it.next() +"";
       i++;
       if (i==10) {
           result += "\n";
           i = 0;
       }
    }
    msgBox("Running processes :  \n\n"+ result);
  }
 
  public static void msgBox(String msg) {
    javax.swing.JOptionPane.showConfirmDialog((java.awt.Component)
       null, msg, "VBSUtils", javax.swing.JOptionPane.DEFAULT_OPTION);
  }
}

I can get Process list,but i need cpu,memory & disk usage in graph format pls help