我正在开发一个应用程序,我想在其中使用持久存储来存储许多数据条目.问题是每当新条目生成时它都会替换现有条目.这是我的代码请帮帮我.
import net.rim.device.api.ui.*;
import net.rim.device.api.ui.component.*;
import net.rim.device.api.ui.container.*;
import net.rim.device.api.system.*;
import net.rim.device.api.util.*;
import java.util.*;
/*An application in which user enters the data. this data is displayed when user press the save button*/
public class Display extends UiApplication {
/*declaring Strings to store the data of the user*/
String getFirstName;
String getLastName;
String getEmail;
String getGender;
String getStatus;
/*declaring text fields for user input*/
private AutoTextEditField firstName;
private AutoTextEditField lastName;
private EmailAddressEditField email;
/*declaring choice field for user input*/
private ObjectChoiceField gender; …