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Microsoft Visual Studio Solution File, Format Version 12.00

# Visual Studio Version 17

VisualStudioVersion = 17.14.36429.23 d17.14

MinimumVisualStudioVersion = 10.0.40219.1

Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lezione1_Thread", "Lezione1_Thread\Lezione1_Thread.csproj", "{6EC42EC5-48F3-4036-AD1E-74CB10BCA8A0}"

EndProject

Global

	GlobalSection(SolutionConfigurationPlatforms) = preSolution

		Debug|Any CPU = Debug|Any CPU

		Release|Any CPU = Release|Any CPU

	EndGlobalSection

	GlobalSection(ProjectConfigurationPlatforms) = postSolution

		{6EC42EC5-48F3-4036-AD1E-74CB10BCA8A0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU

		{6EC42EC5-48F3-4036-AD1E-74CB10BCA8A0}.Debug|Any CPU.Build.0 = Debug|Any CPU

		{6EC42EC5-48F3-4036-AD1E-74CB10BCA8A0}.Release|Any CPU.ActiveCfg = Release|Any CPU

		{6EC42EC5-48F3-4036-AD1E-74CB10BCA8A0}.Release|Any CPU.Build.0 = Release|Any CPU

	EndGlobalSection

	GlobalSection(SolutionProperties) = preSolution

		HideSolutionNode = FALSE

	EndGlobalSection

	GlobalSection(ExtensibilityGlobals) = postSolution

		SolutionGuid = {34A6CC69-4657-4F1F-9BA4-53968901BB00}

	EndGlobalSection

EndGlobal

<?xml version="1.0" encoding="utf-8" ?>

<configuration>

    <startup> 

        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />

    </startup>

</configuration>

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<?xml version="1.0" encoding="utf-8"?>

<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />

  <PropertyGroup>

    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>

    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>

    <ProjectGuid>{6EC42EC5-48F3-4036-AD1E-74CB10BCA8A0}</ProjectGuid>

    <OutputType>Exe</OutputType>

    <RootNamespace>Lezione1_Thread</RootNamespace>

    <AssemblyName>Lezione1_Thread</AssemblyName>

    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>

    <FileAlignment>512</FileAlignment>

    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>

    <Deterministic>true</Deterministic>

  </PropertyGroup>

  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">

    <PlatformTarget>AnyCPU</PlatformTarget>

    <DebugSymbols>true</DebugSymbols>

    <DebugType>full</DebugType>

    <Optimize>false</Optimize>

    <OutputPath>bin\Debug\</OutputPath>

    <DefineConstants>DEBUG;TRACE</DefineConstants>

    <ErrorReport>prompt</ErrorReport>

    <WarningLevel>4</WarningLevel>

  </PropertyGroup>

  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">

    <PlatformTarget>AnyCPU</PlatformTarget>

    <DebugType>pdbonly</DebugType>

    <Optimize>true</Optimize>

    <OutputPath>bin\Release\</OutputPath>

    <DefineConstants>TRACE</DefineConstants>

    <ErrorReport>prompt</ErrorReport>

    <WarningLevel>4</WarningLevel>

  </PropertyGroup>

  <ItemGroup>

    <Reference Include="System" />

    <Reference Include="System.Core" />

    <Reference Include="System.Xml.Linq" />

    <Reference Include="System.Data.DataSetExtensions" />

    <Reference Include="Microsoft.CSharp" />

    <Reference Include="System.Data" />

    <Reference Include="System.Net.Http" />

    <Reference Include="System.Xml" />

  </ItemGroup>

  <ItemGroup>

    <Compile Include="Program.cs" />

    <Compile Include="Properties\AssemblyInfo.cs" />

  </ItemGroup>

  <ItemGroup>

    <None Include="App.config" />

  </ItemGroup>

  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />

</Project>

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using System;

using System.Threading;

using System.Collections.Generic; // Necessario se si usano liste, qui solo per chiarezza

public class Lezione1

{

    // Metodo che verrà eseguito in parallelo dal thread

    public static void SuonaCampana(string suono)

    {

        // Random è locale per evitare Race Condition sull'oggetto Random stesso

        Random rand = new Random();

        Console.WriteLine($"\n--- INIZIO: Campana '{suono}' ---");

        for (int i = 0; i < 5; i++)

        {

            Console.Write($"{suono} ");

            // Simula il tempo di lavoro con un ritardo casuale (100-300 ms)

            Thread.Sleep(rand.Next(100, 300));

        }

        Console.WriteLine($"\n--- FINE: Campana '{suono}' ---");

    }

    public static void Main(string[] args)

    {

        // 1. Creazione dei thread, passando il metodo da eseguire

        Thread t_din = new Thread(() => SuonaCampana("DIN"));

        Thread t_don = new Thread(() => SuonaCampana("DON"));

        Thread t_dan = new Thread(() => SuonaCampana("DAN"));

        // OPZIONALE: Rendiamo i thread background

        t_din.IsBackground = true;

        t_don.IsBackground = true;

        t_dan.IsBackground = true;

        Console.WriteLine("Avvio delle campane in parallelo...");

        // 2. Avvio dei percorsi di esecuzione paralleli

        t_din.Start();

        t_don.Start();

        t_dan.Start();

        // 3. Blocco del thread principale (Main) in attesa che tutti finiscano

        // SENZA JOIN, il Main terminerebbe subito e i thread secondari si interromperebbero (se IsBackground è true)

        t_din.Join();

        t_don.Join();

        t_dan.Join();

        Console.WriteLine("\n\n--- Tutti i thread sono terminati. Programma chiuso. ---");

    }

}

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