public void TrimAndUppercaseFirst() { Universities.ForEach(university => { university.EducationalInstitution = university.EducationalInstitution.TrimAndUppercaseFirst(); university.Specialization = university.Specialization.TrimAndUppercaseFirst(); university.Specialty = university.Specialty.TrimAndUppercaseFirst(); university.AdditionalInformation = university.AdditionalInformation.TrimAndUppercaseFirst(); }); Courses.ForEach(course => { course.CourseName = course.CourseName.TrimAndUppercaseFirst(); course.EducationalEstablishment = course.EducationalEstablishment.TrimAndUppercaseFirst(); course.AdditionalInformation = course.AdditionalInformation.TrimAndUppercaseFirst(); }); }