JComboBox key event handling

i have a combobox which gets its values from a database and it is editable.As soon as the user enters a character all values of that combobox which begin with that character should come.

any one plzzzzzzzzzzzzzzz help me how to achieve it.................assume a String array holds all values of that combobox instead of getting values from database...........

waiting 4 your response

[418 byte] By [Chiku_BITSa] at [2007-10-2 14:38:37]