C# Delegate & Event MCQs

Question 11: What will be the output of the following program?

static void Main()
{
    Func<string, string> greet = delegate (string name)
    {
        return "Hi " + name;
    };

    Console.Write(greet("Steve"));
}

• Compile-timer error
• Runtime error
• Steve
• Hi Steve

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Question 12: What will be the output of the following program?

static void Main(string[] args)
{
    Action<int> DoSomething = i => Console.Write(i);
    DoSomething(10);
}

• 10
• 0
• Compile-time error
• Runtime error

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Question 13: What will be the output of the following program?

public static void Main()
{
	Action DoSomething = () => Console.WriteLine("Hello!");
    DoSomething();
}

• Blank output
• Hello!
• Compile-timer error
• Runtime error

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Question 14: What will be the output of the following program?

static void Main()
{
    Predicate<int> GetBool = delegate (int val)
    {
        if (val <= 0)
            return false;
        else
            return true;
    };
    Console.Write(GetBool(100));
} 

• False
• True
• Compile-timer error
• Runtime error

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Question 15: What will be the output of the following program?

static void Main()
{
    Predicate GetBool = delegate()
    {
        return !true;

    };
    Console.Write(GetBool(100));
} 

• False
• True
• Compile-timer error
• Runtime error

Check Answer