C# Programming Mock Test 7

1. What will be the output of the following C# code snippet?

 static void Main(string[] args)
 {
     string h = "i lovelife";
     string h1 = new string(h.Reverse().ToArray());
     Console.WriteLine(h1);
     Console.ReadLine();
 }

2. Choose the class on which all stream classes are defined?

3. Which property among the following represents the current position of the stream?

4. Which method in Console enables to read individual inputs directly from the keyboard in a non line buffered manner?

5. What will be the output of the following C# code snippet?

{
    delegate string F(string str);
    class sample
    {
        public static string fun(string a)
        {
            return a.Replace(',''-');
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            F str1 = new F(sample.fun);
            string str = str1("Test Your c#.NET skills");
            Console.WriteLine(str);
        }
    }
}

6. Which among the following attempts to read up to count bytes into buffer starting at buffer[offset], returning the number of bytes successfully read?

7. Choose the output returned when an error condition is generated while read() reads from the console.

8. Incorrect statements about delegates are?

9. What will be the output of the following C# code?

 static void Main(string[] args)
 {
     Console.WriteLine("This is a Console Application:");
     Console.Write("Please enter your lucky number:");
     string val1 = Console.ReadLine();
     int val2 = System.Convert.ToInt32(val1, 10);
     val2 = val2 * val2;
     Console.WriteLine("square of number is:" +val2);
     Console.Read();
 }

10. What will be the output of the following C# code snippet?

 static void Main(string[] args)
 {
     String a ="i love iostream";
     Console.WriteLine(a.IndexOf('i') + " " + a.IndexOf('e') + " " + a.LastIndexOf('i') + " " + a.LastIndexOf('e'));
     Console.ReadLine();
 }