在j2ee中,以下是firevetoablechange方法的正确的原型的是()
- Apublic void fireVetoableChange(Object oldValue,Object newValue)
- B public void fireVetoableChange(String propertyName,Object newValue)
- C public void fireVetoableChange(String propertyName, Object oldValue ,Object newValue)throws PropertyVetoException
- D public void fireVetoableChange(String propertyName, Object oldValue ,Object newValue)