double[] sensorReadings = { 50.5, 120.0, 1050.0, -300.0, 10.0 };
foreach (double reading in sensorReadings)
{
    try
    {
        ValidateReading(reading);
    }
    catch (CriticalOverheatingException ex)
    {
        Console.WriteLine($"MELTDOWN ALERT: {ex.Message}");
        Console.WriteLine($"Peak Temperature: {ex.FaultyReading}°C");
    }
    catch (InvalidTemperatureException ex)
    {
        Console.WriteLine($"SENSOR FAULT: {ex.Message}");
        Console.WriteLine($"Faulty Value: {ex.FaultyReading}°C");
    }
    finally
    {
        Console.WriteLine("--- Sensor check complete ---");
    }
}
// --- Helper Method ---
void ValidateReading(double temp)
{
    if (temp > 1000.0)
    {
        throw new CriticalOverheatingException("Reactor exceeded safe thermal limits!", temp);
    }
    
    if (temp < -273.15)
    {
        throw new InvalidTemperatureException("Physically impossible temperature detected!", temp);
    }
    
    Console.WriteLine($"Reading valid: {temp}°C");
}
// --- Custom Exception Definitions ---
public class CriticalOverheatingException : ArgumentException
{
    public double FaultyReading { get; }
    public CriticalOverheatingException(string message, double faultyReading)
        : base(message)
    {
        FaultyReading = faultyReading;
    }
}
public class InvalidTemperatureException : ArgumentException
{
    public double FaultyReading { get; }
    public InvalidTemperatureException(string message, double faultyReading)
        : base(message)
    {
        FaultyReading = faultyReading;
    }
}