rmsstreamoperation.java~1~

来自「java手机程序开发随书光盘源代码」· JAVA~1~ 代码 · 共 22 行

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
import javax.microedition.rms.*;
import java.io.*;

public class RMSStreamOperation extends MIDlet implements CommandListener{

	Display display;
	RecordStore stockStore = null;
	Alert displayData;
	List stockList;
	Form addStock;
	TextField stockName, boughtPrice, soldPrice, stockUnits;
	Command exitCmd, addCmd, okCmd;

	public RMSStreamOperation(){
		display = Display.getDisplay(this);
		try{
			stockStore = RecordStore.openRecordStore("stock", true);	
		}
		catch(Exception ex){}
		stockList = new List("