Terms for subject Programming containing object's implementation

English	Russian
an object's type is defined by its interface. an object's implementation is defined by its class	Тип объекта определяется его интерфейсом, а реализация-классом (см. Designing Concurrent, Distributed, and Real-Time Applications with UML by Hassan Gomaa ssn)
object's implementation	реализация объекта (ssn)