public boolean isWorks() {
switch (workMode) {
case WHILEREAD:
return scn.hasNext();
case NOTEXIT:
return (!lastCmdLine.equals(CMD_EXIT));
// defaul: return false;
}
return false;
}
public String getNextCmd() {
if (scn != null) lastCmdLine = scn.nextLine();
return lastCmdLine;
}