C# Keywords and Meaning

C# KEYWORD AND ITS MEANING BASICs 

c# keywords

Keyword	Meaning
Console. WriteLine	To print
Console. Readline	To accept/take values
Console .ReadKey	To accept/take values/character
void	When method return nothing
null	To declare any string null means string having no character.
int	To declare an integer variable             ( value type)
float	To declare a float variable (suffix, f)     ( value type)
double	To declare a double float variable       ( value type)
decimal	To declare a decimal variable             ( value type)
long	To declare long integer variable          ( value type)
char	To declare character variable             ( value type)
string	To declare string variable                (Reference type)
object	To declare an object variable          (Reference type)
bool	Used for returning true or false result only
int [ ]	integer array
float [ ]	To declare a float variable (prefix, f)
double [ ]	To declare a double float array  variable
decimal [ ]	To declare a decimal array  variable
long [ ]	To declare long array integer variable
String [ ]	To declare string array variable
char [ ]	To declare character array variable
Object [ ]	To declare an object array variable
Math. Pow	To perform power calculation of numbers
Math. Sin	To perform sin calculation of numbers
Math. Cos	To perform cos calculation of numbers
Math. tan	To perform tan calculation of numbers
Math. Asin	To perform arcsin
Math. Acos	To perform arccos
Math. Atan	To perform arctan
Math. PI	For the value of pie
Math. Ceiling	To find ceiling of any decimal number
Math. Floor	To find Floor of any decimal number
Math. Log10	To find log of any number
Math. Max	To find the maximum values from two values
Math. Min	To find the minimum values of from two values
class	To declare a class
Partial class	To make a class partial so it can be reuse
Sealed class	To declare a class sealed
Override	To override an existing method/member of class
Static	To declare static class/class member/
Enum	For enum declaration
Public	To make a class/ class member/variable etc. public
Private	To make a class/ class member/variable etc. private
Delegate	To declare a delegate
Action	For using an action delegate
Func	For using a func delegate
Predicate	For using predicate delegate
To. Lower	To change the string case in lower case
To. Upper	To change the string case in upper case
Str. Length	To check or find the length of string
. Parse(dot Parse)	To change string input into relevant data type
value f	F suffix with value to clarity the value as Float type
get	Get accessor used to getting values
set this  struct interface	Set accessot used to set values Give different meaning in different states To define structure To define an interface with name 'I'

SYMBOLIC KEYWORD AND MEANING IN C#

C# fixed keywords

Symbol keyword	Meaning
=	Assignment operator, to assign values to variable
= =	Equal operator
! =	Is not equal operator
>	Greater than operator
<	Smaller than operator
> =	Greater than equal to operator
< =	Smaller than equal to operator
=>	Lambda expression
[ ]	Array representation
+	For add number and join strings
-	For find subtraction  numbers
*	For find multiplication numbers
/	For find divide numbers
%	For find modules of numbers
//	For comment a single line
/*	Starting commenting blocks of statement
*/	Ending commenting block of statement
\n	To end a statement and start from  a new line
\t	To spacing in message in WriteLine (“\t”)
{ }	Format specifier/ opening and closing body
“ ” ++ - - && || !	To write string words/sentence increment operator' decrements operator And operator Or operator Not operator

BASIC SHORTCUT KEY IN C#.NET

Shortcut	Function
Ctrl + N	To open a new file window
Ctrl + Shift + N	To open a new project
Ctrl + Shift + A	To add item in a project
Shift + Alt + A	To add existing item
Ctrl + O	To open an existing file
Ctrl + S	To save running project
Alt + Enter	To open property window of project
Ctrl + Shift + B	To build solution x
Ctrl + Shift + S	To save all opened project
Ctrl + C	To Copy source code
Ctrl + X	To cut source
Ctrl + V	To paste the source code
Ctrl + Z	To undo an action
Ctrl + Y	To redo an action
E	To see error list
backspace key	To delete character  to left of cursor
Del key	To delete character to right cursor
Ctrl + del	To delete a word to right of cursor
Ctrl + backspace	To delete a word to the left of cursor
Ctrl  + D	To make duplicate of selected code
F5	To start debugging
Ctrl+ F5	To start program without debugging

Ms Office Shortcut Keys

Computer Shortcut keys

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