📄 updateuserdatascreen.java
字号:
import javax.microedition.io.*;
import java.io.*;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class UpdateUserDataScreen extends Form implements CommandListener
{
private static Displayable instance ;
synchronized public static Displayable getInstance()
{
if(instance == null)
instance = new UpdateUserDataScreen() ;
return instance ;
}
private TextField id ;
private TextField pw ;
private TextField ds ;
private UpdateUserDataScreen()
{
super("糤
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