mainscreen.java

来自「Javapda繁体版代码, 这个我也没有看过,不过应该和那个简体的差不多,但还是」· Java 代码 · 共 16 行

import javax.microedition.io.*;
import java.io.*;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class MainScreen extends List implements CommandListener
{
	private static Displayable instance ;
	synchronized public static Displayable getInstance()
	{
		if(instance == null)
			instance = new MainScreen() ;
		return instance ;
	} 
	private MainScreen()
	{
		super("