What will be the console output when running the "Main" method ? static void Main(string[] args) { Car firstVehicle = new Bus(); Car secondVehicle = new Motorcycle(); Console.WriteLine(firstVehicle.GetPassengerCount()); Console.WriteLine(secondVehicle.GetPassengerCount()); } internal class Car { internal virtual int GetPassengerCount() { return 4; } } internal class Bus : Car { internal int GetPassengerCount() { return 8; } } internal class Motorcycle : Car { internal override int GetPassengerCount() { return 1; } }

What will be the output of the following program: #define DEBUG using System; using System.Diagnostics; class Program { [Conditional('DEBUG')] public static bool Print() { Console.WriteLine('Printed'); return true; } public static void Main(string[] args) { Print(); } }

What is operator overloading

void Disagree(ref bool? maybe) { maybe = maybe ?? true ? false : maybe; } When calling this method, the value of the reference parameter will be changed to:

What is the output of following program? class Program { public enum Colors : System.Int32 { Red = 0, Green = 1 } private static void Main() { Console.WriteLine(Colors.Green); } }

About ECMA or ISO/IEC specifications which sentence is correct?

What does the following declaration specify? MethodInfo[] GetMethods()

Choose the correct statement about process-based multitasking?

Choose the correct statements about the LINQ?

What are the general kinds of XAML elements?

Which of the following is the best way of creating a generic method constraining T to an Enum?