How can we control the external application

Hi Friends
I have an GUI Application. There is a JFrame in which if i press the HOME key then it'll launch the new application suppose the notepad.exe using the Robot class. then whatever the user right in the notepad that event should fetch in the application. i mean if user press any key then it should fetch in my application(JFrame).At that time my Swing JFrame is in background.
So i want to fetch the key event or mouse event when my application is in background and other application is in front.

yes its like a Macro.
i had done project which will run the external exe file. for exapmle its notepad.exe
when ever notepad.exe run from my program that time my program go into background and notepad screen come in to front.
So what ever u write into notepad it will not available into my application becoz its in background.
i want to fetch the keys which is pressed for notepad (for writing purpose and may be ENTER,DEL,HOME,END PAGE UP,etc.) so i want that keypressed event in my project (application).
i hope now u can understand.

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