using System;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        try
        {
            await Task.Run(() =>
            {
                // 模擬異常拋出
                throw new Exception("An error occurred in the task.");
            });
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Caught exception: {ex.Message}");
        }
    }
}

using System;
using System.Threading.Tasks;

class Program
{
    static void Main()
    {
        Task.Run(() =>
        {
            // 模擬異常拋出
            throw new Exception("An error occurred in the task.");
        }).ContinueWith(task =>
        {
            if (task.IsFaulted)
            {
                // 處理異常
                foreach (var ex in task.Exception.InnerExceptions)
                {
                    Console.WriteLine($"Caught exception: {ex.Message}");
                }
            }
        });

        // 等待任務(wù)完成，這里只是為了防止程序提前退出，在實(shí)際應(yīng)用中可能有不同的等待方式
        Console.ReadLine();
    }
}

using System;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        Task task1 = Task.Run(() =>
        {
            throw new Exception("Error in task 1");
        });

        Task task2 = Task.Run(() =>
        {
            // 正常執(zhí)行
        });

        try
        {
            await Task.WhenAll(task1, task2);
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Caught exception: {ex.Message}");
        }
    }
}

using System;
using System.Threading.Tasks;

class Program
{
    static void Main()
    {
        TaskScheduler.UnobservedTaskException += (sender, e) =>
        {
            foreach (var ex in e.Exception.InnerExceptions)
            {
                Console.WriteLine($"Unobserved exception: {ex.Message}");
            }
            // 標(biāo)記為已觀察，避免程序崩潰
            e.SetObserved();
        };

        Task.Run(() =>
        {
            throw new Exception("This is an unobserved exception.");
        });

        // 給任務(wù)一些時(shí)間拋出異常
        System.Threading.Thread.Sleep(1000);
    }
}