private int FindFirstIndex(ICourse course) { for (int i = 0; i < this.courses.Count; i++) { if (course.Equals(this.courses[i])) { return(i); } } return(-1); }
private int FindFirstIndex(ICourse course) { for (int i = 0; i < this.courses.Count; i++) { if (course.Equals(this.courses[i])) { return i; } } return -1; }