public void setValueAt( Object value, int row, int col ) {
		Program p = list.get(row);
		
		if( col == 0 ){
			p.setId((Integer.parseInt((String)value)));
		}
		else if( col == 1 ){
			p.setProgramName((String) value);
		}
		else{
			p.setPassword((String) value);
		}
		
		for (Program pro : list) {
			System.out.println( pro.getId() + ", " + pro.getProgramName() + ", " + ", " + pro.getUsername() + ", " + pro.getPassword() + ", " + pro.getUserid() );
		}
		fireTableDataChanged();
	  }