21 days Learn how C #----handle Exceptions

The exception information is captured through Try,catch and can be passed through a catch (Exception) (IndexOutOfRangeException), and finally will be executed after the catch is used

The IO namespace includes routines for sending and receiving (input and output) information

Checked & Unchecked: detecting Maximum and minimum values

Keyword Is,as. is: Used to determine whether a variable is a specified type (expression is type) and expression is a reference type, and type is a valid type. Can be in the IF condition judgment statement;

As: Like a cast character, casts an object to another type

21 days Learn how C #----handle Exceptions