# H17: Interfaces

- [Interface intro](/zie-scherp-scherper/h17-interfaces/1_interface_intro.md)
- [Interfaces voorbeeld met president](/zie-scherp-scherper/h17-interfaces/presidentinterfaces.md)
- [Interfaces in de praktijk](/zie-scherp-scherper/h17-interfaces/2_interfacesinpraktijk.md)
- [Interfaces en polymorfisme](/zie-scherp-scherper/h17-interfaces/2_polymorfisme_interfaces.md)
- [Meer weten](/zie-scherp-scherper/h17-interfaces/kennisclips.md)