title: scrollbar action in java
body: <p>i'm begginner in java,
  i have textarea and i have set only verticle scrollbar to that textarea.i'm appending data for every 1 minute to textarea,problem is when new data appends to the textarea scrollbar will move up.To see the new data,every time i have to drag the scroll bar, that is not the requirment.i want scrollbar should not move up it should move down how can i do this?
  plz help me.</p>
  
  <p>thanks for reply</p>