How to do control Z operaion

I want to do control +Z key operation can anybody explains me how can i do that.
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Have a look at UndoableAction
ashokvardhan_gAuthor Commented:
but i want to code that in key board option by pressing control+Z how do i do that

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That link shows the way to do the key part of it. I meant UndoableEdit btw, not UndoableAction. Of course, using the key approach, you could create an Aciton subclass called UndoableAction
The javax.swing.undo package is centred around this functionality, e.g., but i'm afraid i'm not familiar with it.
Can you explain what you actually want Ctrl-Z to do?
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