You can access the Java editor for the bean class from the deployment descriptor editor. You can also edit them by double-clicking the class in the Project Explorer view.
For CMP enterprise beans, you must define all Find methods directly in the home interface and not promote them from the enterprise bean class. Also, note that if you add or remove a home or remote method after generating the deployment code, error symbols will appear beside the enterprise bean and old generated code. You must regenerate the deployment code.
In most cases, you can create all of your home methods in exactly the same way. However, creating finder methods requires some additional steps.