c:\J2mewtk\apps\LuckNum\src\Lotto.java:5: Lotto should be declared abstract; it does not define commandAction(javax.microedition.lcdui.Command,javax.microedition.lcdui.Displayable) in Lotto
public class Lotto extends MIDlet implements CommandListener
^怎么回事呀?
public class Lotto extends MIDlet implements CommandListener
^怎么回事呀?
解决方案 »
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