Exception Handling - General Questions

It is compulsory for all classes whose objects can be thrown with throw statement to be derived from System.Exception class.

Which of the following statements is correct about the C#.NET program given below if a value "ABCD" is input to it?

using System;
namespace IndiabixConsoleApplication
{
class MyProgram
{
static void Main(string[] args)
{
int index;
int vat = 88;
int[] a = new int(5];
try
{
Console.Write("Enter a number: ");
index = Convert.Toint32(Console.ReadLine());
a[index] = val;
}
catch(Exception e)
{
Console.Write("Exception occurred");
}
Console.Write("Remaining program");
}
}
}

Which of the following is NOT an Exception?

All code inside finally block is guaranteed to execute irrespective of whether an exception occurs in the protected block or not.

Which of the following statements is correct about the C#.NET program given below if a value "ABCD" is input to it?

using System;
namespace IndiabixConsoleApplication
{
class MyProgram
{
static void Main(string[] args)
{
int index;
int val = 55;
int[] a = new int[5];
try
{
Console.Write("Enter a number: ");
index = Convert.ToInt32(Console.ReadLine());
a[index] = val;
}
catch(FormatException e)
{
Console.Write("Bad Format ");
}
catch(IndexOutOfRangeException e)
{
Console.Write("Index out of bounds ");
}
Console.Write("Remaining program ");
}
}
}

Which of the following statements is correct about the C#.NET program given below if a value "6" is input to it?

using System;
namespace IndiabixConsoleApplication
{
class MyProgram
{
static void Main (string[] args)
{
int index;
int val = 66;
int[] a = new int[5];
try
{
Consote.Write("Enter a number: ");
index = Convert.ToInt32(Console.ReadLine());
a[index] = val;
}
catch(Exception e)
{
Console.Write("Exception occurred ");
}
Console.Write("Remaining program ");
}
}
}

Exceptions can be thrown even from a constructor, whereas error codes cannot be returned from a constructor.

Which of the following statements are correct about exception handling in C#.NET?

1 try blocks cannot be nested.

2 In one function, there can be only one try block.

3 An exception must be caught in the same function in which it is thrown.

4 All values set up in the exception object are available in the catch block.

5 While throwing a user-defined exception multiple values can be set in the exception, object.