public static void Main(string[] args) { StudentDao studentDao = new StudentDaoImpl(); //print all students foreach (Student studentItem in studentDao.getAllStudents()) { Console.WriteLine("Student: [RollNo : " + studentItem.getRollNo() + ", Name : " + studentItem.getName() + " ]"); } //update student Student student = studentDao.getAllStudents()[0]; student.setName("Michael"); studentDao.updateStudent(student); //get the student studentDao.getStudent(0); Console.WriteLine("Student: [RollNo : " + student.getRollNo() + ", Name : " + student.getName() + " ]"); }
static void Main(string[] args) { StudentDao studentDao = new StudentDaoImpl(); //输出所有的学生 foreach (var student1 in studentDao.getAllStudents()) { Console.WriteLine($"Student: [RollNo :{student1.getRollNo()}, Name :{student1.getName()}]"); } //更新学生 Student student = studentDao.getAllStudents().ElementAt(0); student.setName("Michael"); studentDao.updateStudent(student); //获取学生 studentDao.getStudent(0); Console.WriteLine($"Student: [RollNo :{student.getRollNo()}, Name :{student.getName()}]"); Console.ReadKey(); }