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C# Language


173 Topics

active popular

C# 6.0 Features 6.0–7.0

545
Exception filters
347
String interpolation
11 more examples
1 improvement request
0 proposed changes
edited yesterday
+136

Extension Methods 3.0–7.0

164
Using an extension method
113
Null checking
18 more examples
1 improvement request
0 proposed changes
edited Oct 5 at 10:33
+108

C# 7.0 Features 7.0

156
Language support for Tuples
73
Local functions
7 more examples
0 improvement requests
0 proposed changes
edited Oct 7 at 19:25
+43

LINQ Queries 3.0–7.0

51
Chaining methods
42
First, FirstOrDefault, Last, LastOrDefault, Single, and SingleOrDefault
46 more examples
0 improvement requests
0 proposed changes
edited Sep 30 at 18:28
+99

Keywords All Versions

56
as
32
goto
65 more examples
0 improvement requests
0 proposed changes
edited Sep 30 at 19:52
+130

Compile and run your first C# program All Versions

148
Creating a new console application
65
Creating a new project in Visual Studio (console application) and Running it in Debug mode
4 more examples
0 improvement requests
0 proposed changes
edited Jul 25 at 6:37
+2

Using Statement All Versions

41
Gotcha: returning the resource which you are disposing
32
Cleaner Dispose Syntax
6 more examples
0 improvement requests
0 proposed changes
edited 12 hours ago
+44

Exception Handling All Versions

39
Re-throwing an exception
14
Creating Custom Exceptions
13 more examples
1 improvement request
0 proposed changes
edited 12 hours ago
+29

Operators All Versions

19
Overloadable Operators
13
Overloading equality operators
21 more examples
0 improvement requests
0 proposed changes
edited 23 hours ago
+41

Yield Keyword 2.0–7.0

31
Correctly checking arguments
18
Simple Usage
8 more examples
0 improvement requests
0 proposed changes
edited Oct 7 at 13:57
+30

Enums All Versions

17
HasFlag Method to Check for Flags
11
Enum as flags
12 more examples
0 improvement requests
0 proposed changes
edited Sep 14 at 14:47
+24

Generics 2.0–7.0

16
Implicit type inference (methods)
12
Type inference (classes)
22 more examples
0 improvement requests
0 proposed changes
edited Sep 21 at 10:51
+22

Verbatim Strings All Versions

25
Interpolated Verbatim Strings
17
Escaping Double Quotes and Curly Braces
2 more examples
0 improvement requests
0 proposed changes
edited Aug 19 at 12:04
+19

String.Format 1.0

14
Places where String.Format is 'embedded' in the framework
11
Since C# 6.0
9 more examples
0 improvement requests
0 proposed changes
edited Sep 29 at 6:57
+23

Constructors and Finalizers All Versions

16
Static constructor
8
Singleton constructor pattern
10 more examples
0 improvement requests
0 proposed changes
edited Oct 7 at 3:13
+38

Null-Coalescing Operator 2.0–7.0

20
Basic usage
11
Null fall-through and chaining
3 more examples
0 improvement requests
0 proposed changes
edited yesterday
+23

Arrays 1.2–6.0

12
Declaring an array
7
Initializing an array filled with a repeated non-default value
10 more examples
0 improvement requests
0 proposed changes
edited Sep 23 at 11:14
+12

Design pattern implementation All Versions

10
Strategy
5
Facade pattern
14 more examples
0 improvement requests
0 proposed changes
edited yesterday
+21

Null-conditional Operators 6.0

21
Null-Conditional Operator
9
The Null-Conditional Index
2 more examples
0 improvement requests
0 proposed changes
edited Sep 21 at 17:35
+8

Reflection 7.0

13
Get the members of a type
7
Create an instance of a Generic Type
14 more examples
1 improvement request
0 proposed changes
edited Sep 1 at 6:23
+21
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Overview Topic

Compile and run your first C# program