src
    main
        java
            org.myproject
                dao             // dao interface
                    hibernate   // hibernate implementation
                model           // entities
                service         // services interface
                    impl        // services implementations
                util            // utility classes
                webapp         
                    action      // struts actions 
                    filter      // servlet filter
                    taglib      // taglib
                    .....
        webapp
                pages web       // html, jsp, images
                WEB-INF
                    web.xml     // and other config files

src
    main
        java
            org.myproject
                view            // UI application
                dao             // dao interface (if needed)
                model           // entities
                dto             // dtos (if needed)
                service         // EJB local/remote interface
                    impl        // EJB implementations
                util            // utility classes
                webapp         
                    controller  // JSF controllers 
                    filter      // servlet filter
                    taglib      // taglib
                    .....
        webapp
                pages web       // html, jsp, images
                WEB-INF
                    web.xml     // and other config files

src
    main
        java
            org.myproject
                client          // UI application
                server          
                    dao         // dao interface (if needed)
                    model       // entities
                    dto         // dtos (if needed)
                    service     // EJB local/remote interface
                        impl    // EJB implementations
                util            // utility classes
                interop         // interoperability classes
                    dto         // dtos
                    ws          // web services
                    jms         // JMS MDBs
                    rest        // resful services
                webapp         
                    controller  // JSF controllers 
                    filter      // servlet filter
                    taglib      // taglib
                    .....
        webapp
                pages web       // html, jsp, images
                WEB-INF
                    web.xml     // and other config files