nothing is harder than this subject, Cheat Sheet of Technology

Download nothing is harder than this subject and more Cheat Sheet Technology in PDF only on Docsity! Class university: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace StudentM2 { class University { public string Name { get; set; } List<Student> Students { get; set; } public University() { Students = new List<Student>(); } public University(string name, List<Student> students) { Name = name; Students = students; } public University(string name) { Name=name; Students = new List<Student> { new Student (1,"Binh",8.9,"L01"), new Student (2,"Name",3.5,"L01"), new Student (3,"Name",7.9,"L02"), new Student (4,"Name",5.2,"L02") }; } public int FindStudentID(int id) { int positon = -1; for (int i = 0; i < Students.Count; i++) { if (Students[i].Id == id) { positon = i; return positon; } } return positon; } public void ViewStudentList() { foreach(var item in Students) { item.printInformation(); } } // them 1 sinh vien vao list, nhap tu ban phim, //phai kiem tra id cos ton tai truoc khi them public void addNewStudent() { var student = new Student(); Console.WriteLine("Input information of a new student!!!!"); Console.Write("Input student ID: "); int ID = -1; bool isAvailableID = false; while (isAvailableID == false) try { ID = int.Parse(Console.ReadLine()); if (FindStudentID(ID) == -1) isAvailableID = true; else Console.Write("Student ID exists, please reenter the Student ID: "); } catch (Exception) { Console.Write("Wrong Student ID, please reenter the ID: "); } Console.Write("Input stiudent name: "); string name = Console.ReadLine(); Console.Write("Input GPA of student: "); double GPA= double.Parse(Console.ReadLine()); Console.Write("Input class ID: "); string classID = Console.ReadLine(); if (FindStudentID(ID) == -1) { Students.Add(new Student(ID,name,GPA,classID)); } else { Console.WriteLine("ID Student exists!!!!"); } } // Xoa thong tin mot sinh vien theo ID public void Delete() { Console.Write("Enter ID to delete student: "); int If =int.Parse(Console.ReadLine()); foreach(var item in Students) { if (FindStudentID(If) != -1) { Students.Remove(new Student()); } } } // cap nhat thong tin: input: ID, ten moi public void FindTheIDAndFix() { Console.Write("Enter ID to find : "); int id = int.Parse(Console.ReadLine()); foreach (var item in Students) { if (item.Id == id) { ClasID = clasID; Name = name; } } } Class Program: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace StudentM2 { internal class Program { static void Main(string[] args) { University university = new University("Greenwich"); university.ViewStudentList(); //university.addNewStudent(); university.ViewStudentList(); university.FindTheIDAndFix(); university.ViewStudentList(); Console.ReadLine(); } } } Class program using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace StudentM2 { internal class Program { static void Main(string[] args) { University university = new University("Greenwich"); university.ViewStudentList(); //university.addNewStudent(); university.ViewStudentList(); university.FindTheIDAndFix(); university.ViewStudentList(); Console.ReadLine(); } } }