Coloring over an oval

If I have already drawn an oval and filled it using the color black. How can I recolor that same oval using a different color later on. I tried just calling the same method, but the oval remains black.
[208 byte] By [S0uljana] at [2007-11-27 4:13:44]
# 1
call validate and repaint after changing color
java_2006a at 2007-7-12 9:20:01 > top of Java-index,Desktop,Core GUI APIs...