swing - Creating a dynamic search box/table in Java -

what i'm trying achieve jtextfield jtable on bottom, every time change occurs on jtextfield (type or delete character) jtable update showing results it's list of strings match written on jtextfield, , showing results if empty.

what don't know how :

1. how set event on jtextfield triggers everytime text changes
2. making jtable update values in efficient way, without using memory

add documentlistener jtextfield. update tablemodel belonging jtable matches. jtable update in response.