Ya you can develop it using java applets/swings which could be one of the easy ways of doing it.

thanks Raghavan sir, but will u give me the some more details how can i start this project?

yes it is possible one ,u just use applet with ASCII key values to represent key-board keys and use Action listener event handler for output on your console (display unit)

1)find out codes ,Related to ascii

2)implemet in normal for the following 's

0-9 and a-z A-Z !@#$%^&*()_+|{}?>

berhabs this may help you, I think

http://www.keang.co.uk/

Http://tinyurl.com/6kcqrxk