public   void  setValueAt(Object value,  int  row,  int  column)
	{
           try 
	    {
	    	 if  (value  instanceof  Integer)
	    	{
	    	 int  val=Integer.parseInt(value.toString());
	    	resultSet.absolute(row+ 1 );
	    	resultSet.updateInt(column+ 1 , val);  
			resultSet.updateRow();
			}
				 if  (value  instanceof  String)
	    	{
	    	String val=(String) value;
	    	resultSet.absolute(row+ 1 );
	    	resultSet.updateString(column+ 1 , val);  
			resultSet.updateRow();
			}			
	    }
	     catch  (Exception ex)
	    {
               System.err.println(ex);
            }
           fireTableCellUpdated(row, column);           
    }

 public   Class  getColumnClass( int  column)
	{
		 try 
		{			
		String className=metaData.getColumnClassName(column+ 1 );
				System.out.println("myprint"+className);
				 return   Class .forName(className);	
		}
		 catch  (SQLException e)
		{
			e.printStackTrace();
		}
		 catch  (ClassNotFoundException ex)
		{
			ex.printStackTrace();
		}
				 return    Object. class ;
		
	}

[B
java.lang.String
[B
java.lang.String

 public  Object getValueAt( int  row, int  column)
	{
		 try 
		{
			resultSet.absolute(row+ 1 );
			 return  resultSet.getObject(column+ 1 );
		} catch  (SQLException sqlexception)
		{
			sqlexception.printStackTrace();
		}
				 return  "";
	}