ru.so, C# - rextester

ru.so

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            Students studentsList = new Students(new List<Student>(){
                new Student(1,"Вася Я.Я.",DateTime.Parse("10.10.1995"),"+380678838340"),
                new Student(2,"Гася Я.Я.",DateTime.Parse("10.10.1995"),"+380678838340"),
                new Student(3,"Дася Я.Я.",DateTime.Parse("10.10.1995"),"+380678838340"),
            });
            
            studentsList.Display();
            Console.Write("\n\n");
            
            
            studentsList.Add(new Student(4,"Пася Я.Я.",DateTime.Parse("10.10.1995"),"+380678838340"));
            
            studentsList.Display();
            Console.Write("\n\n");
            
            studentsList.Update(4, new Student(4,"Рася Я.Я.",DateTime.Parse("10.10.1996"),"+380000000000"));
            
            studentsList.Display();
            Console.Write("\n\n");
            
            studentsList.Remove(4);
            studentsList.Display();
        }
        
        public class Student
        {
            public string FIO;
            public DateTime Bithday;
            public string Phone;
            public int Id;
            public Student(int id,string FIO,DateTime bithday,string phone)
            {
                this.Id = id;
                this.FIO = FIO;
                this.Bithday = bithday;
                this.Phone = phone;
            }
        }
        
        public class Students
        {
            public List<Student> students;
            public Students(List<Student> students)
            {
                this.students = students;
            }
            
            public void Add(Student student)
            {
                students.Add(student);
            }
            
            public bool Update(int id, Student _student)
            {
                var student = students.FirstOrDefault(st => st.Id == id);
                if (student == null)
                {
                    return false;
                }
                else 
                {
                    student.FIO = _student.FIO;
                    student.Bithday = _student.Bithday;
                    student.Phone = _student.Phone;
                    return true;
                }
                
            }
            
            public void Remove(int id)
            {
                for (int i = 0 ; i < students.Count; i++)
                {
                    if (students[i].Id == id)
                    {
                        students.RemoveAt(i);
                    }
                }
            }
            
            public void Display()
            {
                students.ForEach(st => Console.Write(st.FIO + "  " + st.Bithday + "   " + st.Phone + "\n"));
            }
        }
    }
}


run \| edit \| history \| help	0