public abstract class AbstractCommand extends java.util.Observable
AbstractCommand()
abstract void
doIt()
void
finish()
undoIt()
addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
public AbstractCommand()
public abstract void doIt()
public abstract void undoIt()
public void finish()