Dynamically change JComboBox

I am fetching the data values from the database successfully. I have also stored them into a `String[]` array. I need to load the String array as the items of the `JComboBox` in response to key actionperformed. How can I reload the items of the `JComboBox` whenever a key is pressed as the fetched values depend on the key pressed. Rather simply, I need to dynamically refresh the `JComboBox` items.

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