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@sasssass
Created June 19, 2020 18:07
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class RemoteControl {
private val commandStack: Stack<Command> = Stack()
fun pressButton(command: Command) {
command.execute()
commandStack.push(command)
}
fun undoButton(){
if(!commandStack.isEmpty()){
val lastCommand = commandStack.pop()
lastCommand.undo()
}
}
}
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