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  1. using static System.Console;
  2. using System.Collections.Generic;
  3.  
  4. public class Program {
  5. 	public static void Main(string[] args) {
  6.         var vizu = new Aluno() {
  7.             Nome = "Joao Vizu",
  8.             Ra = "N300361",
  9.             NotaB1 = 7.5M,
  10.             NotaB2 = 10M
  11.         };
  12.         var lais = new AlunoTecnologo() {
  13.             Nome = "Lais Silva",
  14.             Ra = "545454",
  15.             NotaB1 = 7.5M,
  16.             NotaB2 = 10M,
  17.             NotaPim = 9M
  18.         };
  19.         var dao = new AlunoDao();
  20.         dao.Adicionar(vizu);
  21.         dao.Adicionar(lais);
  22.         foreach (Aluno aluno in dao.Listar()) WriteLine($"Nome: {aluno.Nome}\tNotaB1: {aluno.NotaB1}\tNotaB2: {aluno.NotaB2}\tMedia: {aluno.Media}");
  23.     }
  24. }
  25.  
  26. public class Aluno {
  27.     public string Nome { get; set; }
  28.     public string Ra { get; set; }
  29.     public decimal NotaB1 { get; set; }
  30.     public decimal NotaB2 { get; set; }
  31.     public virtual decimal Media => (NotaB1 + NotaB2) / 2;
  32. }
  33.  
  34.  public class AlunoTecnologo : Aluno {
  35.     public decimal NotaPim { get; set; }
  36.     public override decimal Media => NotaPim * 0.2m + base.Media;
  37. }
  38.  
  39. public class AlunoDao {
  40.     private List<Aluno> alunos;
  41.     public AlunoDao() => alunos = new List<Aluno>();
  42.     public void Adicionar(Aluno aluno) => alunos.Add(aluno);
  43.     public List<Aluno> Listar() => new List<Aluno>(alunos);
  44. }
  45.  
  46. //https://pt.stackoverflow.com/q/404829/101
Success #stdin #stdout 0.02s 16644KB
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Standard input is empty
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Nome: Joao Vizu	NotaB1: 7.5	NotaB2: 10	Media: 8.75
Nome: Lais Silva	NotaB1: 7.5	NotaB2: 10	Media: 10.55
https://ideone.com/Cg6KDD
language:
C# (gmcs 5.20.1)
created:
4 years ago
visibility:
public

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