Alguem porde me explicar a seguinte menssagem de erro:
C:\Documents and Settings\Administrador\JAVA>javac GridBaglayoutTest.java
GridBaglayoutTest.java:4: class GridBagLayoutTest is public, should be declared
in a file named GridBagLayoutTest.java
public class GridBagLayoutTest extends JFrame
^
1 error
C:\Documents and Settings\Administrador\JAVA>