public void execMethod(){
                   String line ="";
                   String args[] = new String[3];

                   args[0] = "chmod";

                   args[1] = "777";
                   
                   args[2] ="/data/data/com.eoemobile/databases/webviewCache.db";
           
                   try
                   {
                    Process process = Runtime.getRuntime().exec(args);
            
                    //get the err line

                    InputStream stderr = process.getErrorStream();
                    InputStreamReader isrerr = new InputStreamReader(stderr);
                    BufferedReader brerr = new BufferedReader(isrerr);

                    //get the output line  
                    InputStream outs = process.getInputStream();
                    InputStreamReader isrout = new InputStreamReader(outs);
                    BufferedReader brout = new BufferedReader(isrout);

                    String errline = null;

                    String result = "";

                    

                    // get the whole error message string  while ( (line = brerr.readLine()) != null)
                    {
                     result += line;
                     result += "\n";


                    } 

                    if( result != "" )

                    {

                     // put the result string on the screen

                    }

                    // get the whole standard output string

                    while ( (line = brout.readLine()) != null)
                    {
                     result += line;
                     result += "\n";
                    }
                    if( result != "" )
                    {

                     System.out.println(result);

                    }

                   }catch(Throwable t)
                   {
                    t.printStackTrace();
                   }
           }