C# Course > Advance C# Features

Indexes in C#

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In C#, indexers allow class or struct instances to be indexed in the same way as arrays are. Without specifying a type or instance member, you can set or receive the indexed value.

Indexes are helpful to use when you need to iterate through an array, but it's also helpful when you want to quickly locate items in arrays without having to iterate through them all.

The following are some examples of indexes in C sharp:

  • Array index - This is the index that you can use when you want to access an element in an array.
  • String index - This allows you to search for a specific character within a string.

Indexes have many benefits, including the following:

  • They can be used to efficiently find a specific element in a large collection of elements.
  • They can be used as an indicator for sorting or filtering the collection.
  • They can help avoid duplicate elements and make the program more efficient by eliminating redundant operations.
  • They allow programmers to specify where they want to start searching for an element without specifying where they want it to end up.

This is a question many programmers ask themselves. Indexes are used to help you find a specific item in your code. C sharp has two types of indexes: global and local. Global indexes are found at the beginning of the file, while local indexes can be found anywhere in the file.

To delete an index, first, locate it and then delete it by using the following commands:

  • C sharp Indexes
  • C sharp Delete Index

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Avinash
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Best C# Course

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VIVEK SHARMA
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i don't think anyone can teach like them in free the content is very Good. Thanks for providing this type course in free. this site is very good and useful.

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Danish Anjum
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One more hybrid inharitance, how to use the hybrid inharitance

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I didn't not understand Hindi language is there any option lesson to English language in c# language

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Shiv T K
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Very nice👍

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Ravi Kumar
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The syllabus and quiz practice is good. Best explain in depth each and every topic. practical program ko explain ke time zoom nhi kiya.

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Its good course

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vaibhav kumar
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nice

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It was very worth it and gained some knowledge , even though it's too much theory.

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wasim shaikh
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Please upgrade topics. More quizzes and also on each topic and subtopic end.

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Course Content

  1. Introduction to C#
    8m 14s
  2. How to use LearnVern
    3m 20s
  3. C# Environment
    8m 18s

  1. Installing Visual Studio
    16m 14s

  1. C# Program Structure
    9m 31s
  2. Compiling and execution of C# program in Commandline
    2m 7s

  1. Data Types in C#
    5m 27s
  2. Type Conversion in C#
    5m 23s
  3. Variables in C#
    9m 10s
  4. Constants and Literals in C#
    8m 22s
  5. Keywords and Identifiers in C#
    6m 16s
  6. Operators in C#
    12m 58s
  7. Boxing and Unboxing in C#
    3m 46s
  8. String Manipulators
    10m 6s

  1. Conditional Statements in C#
    7m 45s
  2. If else...If else in C#
    7m 56s
  3. Switch Statement in C#
    8m 4s

  1. Looping Statement and For Statement
    8m 6s
  2. While and Do While loop in C#
    10m 32s
  3. Foreach statement and Loop Control in C#
    6m 41s

  1. Arrays in C#
    7m 18s
  2. Multidimensional Arrays in C#
    3m 27s

  1. Structures and Enum in C#
    7m 22s

  1. Class and Object in C#
    7m 4s
  2. Member Functions
    5m 43s

  1. Inheritance in C#
    8m 34s
  2. Polymorphism in C#
    8m 54s
  3. Interfaces in C#
    4m 30s

  1. File I/O in C#
    13m 13s
  2. Advance File IO in C#
    15m 42s
  3. Binary Files in C#
    15m 7s

  1. Exception Handling in C#
    8m 30s
  2. Exception Handling Example in C#
    11m 28s

  1. Attributes in C#
    7m 40s
  2. Attributes- Obsolete in C#
    8m 5s
  3. Reflections in C#
    5m 19s
  4. Properties in C#
    8m 40s
  5. Indexes in C#
    11m 14s
  6. Delegates in C#
    8m 29s
  7. Events in C#
    7m 9s
  8. Collections in C#
    4m 3s
  9. Array List in C#
    11m 43s
  10. Hash Table in C#
    13m 31s
  11. Sorted List in C#
    7m 11s
  12. Stack Class in C#
    4m 27s
  13. Stack Class example in C#
    10m 34s
  14. Queue Class in C#
    9m 56s
  15. Bitarray in C#
    4m 1s
  16. BitArray example in C#
    11m 52s
  17. Generics in C#
    12m 4s
  18. Anonymous methods
    7m 29s
  19. Multithreading in C#
    9m 8s
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