java-based - Interface and factory pattern

Proxy Package Penalty for; 


/ * 
 * Proxy mode: The original object (by proxy class) of some functions proxy class to handle 
 *          
 * Security Agent: direct access to the real role of shielding 
 * Remote Agent: RMI calls through a proxy class handles the remote method 
 * Delayed load: lightweight proxy object to load, reload the real object through the proxy object if necessary 
 * dynamically generated proxy class (reflection needed), static generated proxy class 
 * 
 * * / 

public  class ProxyTest {
     public  static  void main (String [] args ) { 
        server server = new new server ();
         // 1. the real server to proxy class 
        ProxyServer proxyServer = new new ProxyServer (server);
         // 2. let proxy class networking, in essence, is to make a real server networking
         proxyServer.browse ( );
    } 
} 

Interface NetWork { 
    
    public  void the Browse (); 
    
} 

// the proxy class 
class NetWork Server the implements { 

    @Override 
    public  void the Browse () { 
        the System. OUT .println ( " Server Access Network " ); 
    } 
} 
// proxy class 
class the implements NetWork {ProxyServer 

    Private NetWork Work; 
    
    public ProxyServer (NetWork Work) {
         the this .work = Work; 
    } 
    
    public  void Check () {
        . The System OUT .println (" Before the inspection Networking " ); 
    } 
    
    @Override 
    public  void the Browse () { 
        Check (); 
        work.browse (); 
    } 
    
}