J2SE Version (please include all output from java -version flag):
   java version "1.6.0-ea"
   Java(TM) 2 Runtime Environment, Standard Edition (build 1.6.0-ea-b58)
   Java HotSpot(TM) Client VM (build 1.6.0-ea-b58, mixed mode, sharing)

Does this problem occur on J2SE 1.4 or 1.5.? Yes / No (pick one)
    No

Operating System Configuration Information (be specific):
    Windows XP (version 5.1 Service Pack 2)

Hardware Configuration Information (be specific):

    Platform configuration:

    CPU: Intel 32bit Single Processor
    Processor Speed: 1893 MHz

    Operating System:
    Windows XP (version 5.1 Service Pack 2)

    DirectX version: DirectX 8.1 or greater

    DirectX display devices:
    Device 0:
      Resolution (width x height x depth): 1024 x 768 x 32
      Device driver nv4_disp.dll version 6.13.10.3638

    GDI display devices:
    Primary: Name = \\.\DISPLAY1, Description = NVIDIA GeForce4 460 Go
(Toshiba)

Bug Description:
 The action is taken into account when the button is pushed down. In
previous versions,
  it happenned when the button was released..

Steps to Reproduce (be specific):
- Compile and execute the source code attached.
- Click on button.