Pascal Pascal Named
When there is more than one word variables or methods, capitalize the first letter of each word
Commonly used: Method Name Interface Class Name Attribute
Camel hump named
More words appear, the first letter of the first word lowercase, uppercase first letter of another word
Commonly used in: Variable
C # variables can only consist of letters underlined numbers, but can not start with a number
Variable names need to see to know the name of Italy