大家请看在这条在J2me wrieless toolkit调试出错的信息是怎么回事。
c:\WTK20\apps\Application\src\AppPak\Source\prjComm.java:6: AppPak.Source.prjComm should be declared abstract; it does not define commandAction(javax.microedition.lcdui.Command,javax.microedition.lcdui.Displayable) in AppPak.Source.prjComm
public class prjComm extends MIDlet
^
1 error
com.sun.kvem.ktools.ExecutionException
Build failed
希望能够给出原因和解决方法。