file $1.class

[dangr]

I download some source code from internet.
I compile them by Jcreator.
Now with some source file the compiler makes 2 files.
For example from source ServiceManager.java, jcreator make
ServiceManager.class and ServiceManager$1.class
Anyone know what is this second file (ServiceManager$1.class) ?

thanks in advance

Dan

[pbrockway2]

They are the compiled class files associated with inner classes that are anonymous (have no name)

class ServiceManager {
    Action foo = new AbstractAction() {
        public void actionPerformed(ActionEvent event) {
            // do whatever
        }
    }
}

foo is an instance of a class with no name.