J2ME Program to Record Data and Print it to the Console

J2ME Program to Record Data and Print it to the Console

Code:

/*J2ME Program to Record Data and Print it to the Console*/
import java.io.*;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.rms.*;

public class RecordStoreMIDlet extends MIDlet implements CommandListener
{
  private Display display;
  private Alert alert;
  private Form form;
  private Command exit, start, close;
  private RecordStore r_store;
  private Image image;
  public void startApp()
{
    try{image = Image.createImage("/error.png");}catch(Exception e){}
    display = Display.getDisplay(this);
    start = new Command("Start", Command.SCREEN, 1);
    close = new Command("Close", Command.SCREEN, 1);
    exit = new Command("Exit", Command.SCREEN, 1);
    form = new Form("Record Store");
    form.addCommand(start);
    form.addCommand(close);
    form.addCommand(exit);
    form.setCommandListener(this);
    display.setCurrent(form);
  }
  public void pauseApp(){}
  public void destroyApp(boolean unconditional){
    notifyDestroyed();
  }
  public void commandAction(Command c, Displayable displayable){
    String label = c.getLabel();
    if(label.equals("Start")){
      try
{
        r_store = RecordStore.openRecordStore("Sandeep Kumar Suman", true );
        String name = r_store.getName();
        System.out.println("Name: "+name);
      }
catch (Exception error)
{
        alert = new Alert("Exception", error.toString(), image,
        AlertType.WARNING);
        alert.setTimeout(Alert.FOREVER);
        display.setCurrent(alert);
      }          
    }
else if(label.equals("Close"))
{
      Try
      {
       r_store.closeRecordStore();
        System.out.println("Successfully Closed Record");
      }
catch (Exception error)
{
        alert = new Alert("Exception", error.toString(), image,
        AlertType.WARNING);
        alert.setTimeout(Alert.FOREVER);
        display.setCurrent(alert);
 }
    }
else if (RecordStore.listRecordStores() != null)
{
      Try
    {
        RecordStore.deleteRecordStore("Sandeep Kumar Suman");
        System.out.println("Successfully Deleted The Record");
      }
catch (Exception error)
{
        alert = new Alert("Exception", error.toString(), image,
        AlertType.WARNING);
        alert.setTimeout(Alert.FOREVER);
        display.setCurrent(alert);
      }
    }
else if(label.equals("Exit"))
   {
      destroyApp(true);
    }
  }  
 }

Sample Output

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