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C# Data Types
C# Data Types for beginners and professionals with examples on overloading, method overriding, inheritance, aggregation, base, polymorphism, sealed, abstract, interface, namespaces, exception handling, file io, collections, multithreading, reflection etc.
C# Data TypesA data type specifies the type of data that a variable can store such as integer, floating, character etc. 
There are 3 types of data types in C# language.
Value Data Type
The value data types are integer-based and floating-point based. C# language supports both signed and unsigned literals. There are 2 types of value data type in C# language. 1) Predefined Data Types - such as Integer, Boolean, Float, etc. 2) User defined Data Types - such as Structure, Enumerations, etc. The memory size of data types may change according to 32 or 64 bit operating system. Let's see the value data types. It size is given according to 32 bit OS.
Reference Data Type
The reference data types do not contain the actual data stored in a variable, but they contain a reference to the variables. If the data is changed by one of the variables, the other variable automatically reflects this change in value. There are 2 types of reference data type in C# language. 1) Predefined Types - such as Objects, String. 2) User defined Types - such as Classes, Interface. Pointer Data Type
The pointer in C# language is a variable, it is also known as locator or indicator that points to an address of a value. 
Symbols used in pointer
Declaring a pointerThe pointer in C# language can be declared using * (asterisk symbol). int * a; //pointer to int char * c; //pointer to char
Next TopicC# Operators
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- C# StringBuilder Clear (Set Length to Zero)
- C# StringBuilder Data Types
- C# StringBuilder Performance
- C# StringBuilder Equals (If Chars Are Equal)
- C# StringBuilder Memory
- C# StringBuilder ToString: Get String From StringBuilder
- C# StringWriter Class
- C# Sum Method: Add up All Numbers
- C# Switch Char, Test Chars With Cases
- C# Switch Enum
- C# System (using System namespace)
- C# Tag Property: Windows Forms
- C# TextInfo Examples
- C# TextReader, Returned by File.OpenText
- C# TextWriter, Returned by File.CreateText
- C# this Keyword
- C# ThreadPool
- C# Thread Join Method (Join Array of Threads)
- C# ThreadPool.SetMinThreads Method
- C# TimeZone Examples
- C# Get Title From HTML With Regex
- C# ToArray Extension Method
- C# ToCharArray: Convert String to Array
- C# ToDictionary Method
- C# Token
- C# ToList Extension Method
- C# ToLookup Method (Get ILookup)
- C# ToLower and ToUpper: Uppercase and Lowercase Strings
- ToolStripContainer Control: Dock, Properties
- C# ToolTip: Windows Forms
- C# ToString Integer Optimization
- C# ToString: Get String From Object
- C# ToTitleCase Method
- C# TrackBar: Windows Forms
- C# Tree and Nodes Example: Directed Acyclic Word Graph
- C# TreeView Tutorial
- C# Trim Strings
- C# Thread Methods
- C# History
- C# Features
- C# Variables
- C# Data Types
- C# Operators
- C# Keywords
- C# New Features | C# Version Features
- C# Programs
- C# Program to swap numbers without third variable
- C# Program to convert Decimal to Binary
- C# Program to Convert Number in Characters
- C# Program to Print Alphabet Triangle
- C# Program to print Number Triangle
- C# Program to generate Fibonacci Triangle
- C# String Compare() method
- C# String CompareOrdinal() method
- C# String CompareTo() method
- C# String Concat() method
- C# String Contains() method
- C# String CopyTo() method
- C# String EndsWith() method
- C# String Equals() method
- C# String Format() method
- C# String IndexOf() method
- C# String Insert() method
- C# String Intern(String str) method
- C# String IsInterned() method
- C# String Normalize() method
- C# String IsNullOrEmpty() method
- C# String IsNullOrWhiteSpace() method
- C# String Join() method
- C# String LastIndexOf() method
- C# String LastIndexOfAny() method
- C# String PadLeft() method
- C# String PadRight() method
- C# Nullable
- C# String Remove() method
- C# String Replace() method
- C# String Split() method
- C# String StartsWith() method
- C# String SubString() method
- C# Partial Types
- C# Iterators
- C# Delegate Covariance
- C# Delegate Inference
- C# Anonymous Types
- C# Extension Methods
- C# Query Expression
- C# Partial Method
- C# Implicitly Typed Local Variable
- C# Object and Collection Initializer
- C# Auto Implemented Properties
- C# Dynamic Binding
- C# Named and Optional Arguments
- C# Asynchronous Methods
- C# Caller Info Attributes
- C# Using Static Directive
- C# Exception Filters
- C# Await in Catch Finally Blocks
- C# Default Values for Getter Only Properties
- C# Expression Bodied Members
- C# Null Propagator
- C# String Interpolation
- C# nameof operator
- C# Dictionary Initializer
- C# Pattern Matching
- C# Tuples
- C# Deconstruction
- C# Local Functions
- C# Binary Literals
- C# Ref Returns and Locals
- C# Expression Bodied Constructors and Finalizers
- C# Expression Bodied Getters and Setters
- C# Async Main
- C# Default Expression