title: only mouse clicked event of jlabel update jlabel text property properly
body: <p>i am using a java thread to update jlabel text value in my application
  but after it updated text on jlabel
  jlabel showing all past updated values and new value periodically in order via refreshing itself</p>
  
  <p>but when i use same update function within the mouseclick event of jlabel it is updating itself as i expected and showing last value only</p>
  
  <p>what can cause this problem
  am i missing some methods which mouseclick event internally calls ?</p>
  
  <p>nore:application is japplet</p>