Created
November 4, 2024 12:19
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using System.Collections.ObjectModel; | |
using System.Runtime.InteropServices; | |
using System.Text.Json; | |
Console.WriteLine("***** Testes com .NET 9 | O tipo generico ReadOnlySet<T> *****"); | |
Console.WriteLine($"Versao do .NET em uso: {RuntimeInformation | |
.FrameworkDescription} - Ambiente: {Environment.MachineName} - Kernel: {Environment | |
.OSVersion.VersionString}"); | |
var campeoesMundiais = new HashSet<string>() | |
{ | |
"...", | |
"Brasil", | |
"Italia", | |
"Alemanha", | |
"Argentina", | |
"Uruguai", | |
"Franca", | |
"Inglaterra", | |
"Espanha", | |
"????" | |
}; | |
var campeoesMundiaisReadOnly = new ReadOnlySet<string>(campeoesMundiais); | |
Console.WriteLine(); | |
Console.WriteLine("JSON com os dados iniciais - HashSet<string>: "); | |
Console.WriteLine(JsonSerializer.Serialize(campeoesMundiais)); | |
Console.WriteLine(); | |
Console.WriteLine("ReadOnlySet<string> com valores iniciais: "); | |
Console.WriteLine(JsonSerializer.Serialize(campeoesMundiaisReadOnly)); | |
Console.WriteLine(); | |
Console.WriteLine("Executando alteracoes na instancia de HashSet<string>..."); | |
campeoesMundiais.Remove("..."); | |
campeoesMundiais.Remove("????"); | |
Console.WriteLine(); | |
Console.WriteLine("HashSet<string> apos modificacoes: "); | |
Console.WriteLine(JsonSerializer.Serialize(campeoesMundiais)); | |
Console.WriteLine(); | |
Console.WriteLine("ReadOnlySet<string> apos modificacoes em HashSet<string>: "); | |
Console.WriteLine(JsonSerializer.Serialize(campeoesMundiaisReadOnly)); | |
Console.WriteLine(); | |
Console.WriteLine($"Numero de paises que ja venceram Copas - usando ReadOnlySet<string>: " + | |
campeoesMundiaisReadOnly.Count); |
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