### Question:
CourseDAOMemory implements CourseDAO { @Override public int nextId() { autoIncrementId++; return autoIncrementId; } CourseDAOMemory(); @Override Course find(int courseId); @Override void save(Course course); @Override void delete(int courseId); @Override List<Course> findAll(); @Override int nextId();  }### Answer:
@Test public void nextId() { }