This is a simple program to record data and print it on the console.

J2ME Record Store MIDlet Example

     

This is a simple program to record data and print it on the console. In this example we are using the following code to open, close and delete the record:

• RecordStore r_store;
• r_store = RecordStore.openRecordStore("Sandeep Kumar Suman", true ); 
• r_store.closeRecordStore();  
• RecordStore.deleteRecordStore("Sandeep Kumar Suman");

 

 

 

And the Application is as follows:

 

 

Source Code of RecordStoreMIDlet.java

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);   }   }  }

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