Functions and Subroutines - General Questions (2)

What will be the output of the C#.NET code snippet given below?

namespace IndiabixConsoleApplication
{
class SampleProgram
{
static void Main(string[ ] args)
{
object[] o = new object[] {"1", 4.0, "India", 'B'};
fun (o);
}
static void fun (params object[] obj)
{
for (int i = 0; i < obj.Length-1; i++)
Console.Write(obj[i] + " ");
}
}
}

How many values is a function capable of returning?

Which of the following statements are correct about functions used in C#.NET?

1 Function definitions cannot be nested.

2 Functions can be called recursively.

3 If we do not return a value from a function then a value -1 gets returned.

4 To return the control from middle of a function exit function should be used.

5 Function calls can be nested.

If a function fun() is to receive an int, a Single & a double and it is to return a decimal then which of the following is the correct way of defining this function?

If a procedure fun() is to receive an int, a Single & a double and it is to return a decimal then which of the following is the correct way of defining this procedure?

Which of the following statements are correct?

1 C# allows a function to have arguments with default values.

2 C# allows a function to have variable number of arguments.

3 Omitting the return value type in method definition results into an exception.

4 Redefining a method parameter in the method's body causes an exception.

5 params is used to specify the syntax for a function with variable number of arguments.

What will be the output of the C#.NET code snippet given below?

namespace IndiabixConsoleApplication
{
class SampleProgram
{
static void Main(string[ ] args)
{
int i = 10;
double d = 34.340;
fun(i);
fun(d);
}
static void fun(double d)
{
Console.WriteLine(d + " ");
}
}
}

Which of the following will be the correct output for the C#.NET program given below?

namespace IndiabixConsoleApplication
{
class SampleProgram
{
static void Main(string[] args)
{
int a = 5;
int s = 0, c = 0;
Proc(a, ref s, ref c);
Console.WriteLine(s + " " + c);
}
static void Proc(int x, ref int ss, ref int cc)
{
ss = x * x;
cc = x * x * x;
}
}
}