反编译：java代码中含有同步和异常的反编译前后代码对照的一个例子(xiongjy)

    public  int sendRep()                    
    ...{                                    
        int i =0;                            
        synchronized(conn)                    
        ...{                                
            try                            
            ...{                            
                conn.bout.write(headbytes);        
                conn.bout.write(bodybytes);        
                conn.bout.flush();                
            }                            
            catch(IOException e)                
            ...{                            
                System.out.println(e.toString());    
                i = -5;                        
                return i;                    
            }                            
            catch(NullPointerException npe)    
            ...{                        
                i = -5;                
                return -5;                
            }                        
                                    
        }                                
        return i;                            
    }                                    
                                        
                                    
                                    
                                    
                                    
                                    
                                    

           public int sendRep()                          
        ...{                                                                
            int i = 0;                                                 
            cmppSocket cmppsocket = conn;           
            JVM INSTR monitorenter ;                       
            conn.bout.write(headbytes);                   
            conn.bout.write(bodybytes);                  
            conn.bout.flush();                                   
              goto _L1                                              
            IOException e;                                        
            e;                                                          
            System.out.println(e.toString());             
            i = -5;                                                    
            return i;                                                  
            NullPointerException npe;                        
            npe;                                                       
            i = -5;                                                    
            -5;                                                         
            cmppsocket;                                          
            JVM INSTR monitorexit ;                         
            return;                                                   
    _L1:                                                               
            cmppsocket;                                          
            JVM INSTR monitorexit ;                         
              goto _L2                                              
            Exception exception;                              
            exception;                                              
            cmppsocket;                                          
            JVM INSTR monitorexit ;                         
            throw exception;                                    
    _L2:                                                               
            return i;                                                  
        }