package example.client; import example.ejb.interfaces.UserCredentialManager; import example.entity.UserCredential; import javax.ejb.EJB; public class Main { // appclient main class must be public @EJB private static UserCredentialManager ucm; // injected field must be static public static void main(String... args) { for(String name : args) { System.out.println("Removing " + name); ucm.removeUser(name); } } }