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The CLR uses a technique generally referred to as a two-pass exception review process. What this means is that the CLR will process an exception in two passes. In the first pass, the CLR will determine if there is a handler for the exception. This is done by reviewing the entries in the SEH table; specifically it looks at the Try Offset and Try Length flags to see if the exception occurred within a guarded block, and if so, whether the Flags entry dictates that a handler exists for this type of occurrence. Let's assume that the CLR did find a handler during the first pass. At that point the CLR begins a second pass of the SEH table during which it will work through the execution phase of the exception management process. So we can divide the two passes into a discovery pass, in which we determine whether there is a handler in this method context to handle the exception; and an execution pass, in which we actually execute the handler and any special rules. When code throws an exception, the CLR looks up the call stack looking for a catch filter to handle the exception. When it finds the relevant catch block, before executing the code, it will execute all code in all finally blocks - starting from the try block that threw the exception and stopping with the catch filter that matches the exception. when the CLR encounters an exception for a method it will use the descriptors in the SEH table to determine how to handle the exception, which code block is affected, and what handler should be invoked.

Managed execution process is a process where CLR executes the managed code. The steps involved in this process are: a. Choosing the right compiler b. Compiling the code to MSIL. This also generates the required metadata. c. Compile the MSIL ode to native machine code. d. Executing the code with the variety of services available.

Assembly is a compiled output of program which are used for easy deployment of an application. They are executables in the form of exe or dll. It also is a collection of resources that were used while building the application and is responsible for all the logical functioning. Types of assemblies: a. Private Assemblies: are accessible by a single application. They reside within the application folder and are unique by name. They can be directly used by copying and pasting them to the bin folder. b. Shared Assemblies: are shared between multiple applications to ensure reusability. They are placed in GAC. c. Satellite Assemblies: are the assemblies to provide the support for multiple languages based on different cultures. These are kept in different modules based on the different categories available.

The array which has elements of type array is called jagged array. The elements can be of different dimensions and sizes. We can also call jagged array as Array of arrays.

Basic example for C# Homework Help is as follows :

  1. /*
  2.  * C# Program to Illustrate Multilevel Inheritance with Virtual Methods
  3.  */
  4. using System;
  5. public class Person
  6. {
  7.     protected string RNO = "44";
  8.     protected string name = "Ram";
  9.     public virtual void GetInfo()
  10.     {
  11.         Console.WriteLine("Name: {0}", name);
  12.         Console.WriteLine("RNO: {0}", RNO);
  13.         Console.WriteLine();
  14.     }
  15. }
  16. class Student : Person
  17. {
  18.     public string id = "ABC";
  19.     public override void GetInfo()
  20.     {
  21.         base.GetInfo();
  22.         Console.WriteLine("Student ID: {0}", id);
  23.     }
  24. }
  25. class Stud : Student
  26. {
  27.     private string StudentAddress = "USA";
  28.     public void GetInfo()
  29.     {
  30.         base.GetInfo();
  31.         Console.WriteLine("Student Address: {0}", StudentAddress);
  32.     }
  33. }
  34. class TestClass
  35. {
  36.     public static void Main()
  37.     {
  38.         Student E = new Student();
  39.         E.GetInfo();
  40.         Stud Stud = new Stud();
  41.         Stud.GetInfo();
  42.         Console.ReadLine();
  43.     }
  44. }

Here is the output of the C# Program:

Name : Ram  RNO : 44     Student ID : ABC  Name : Ram  RNO : 44     Student ID : ABC  Student Address : USA


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