C-Flow control (sequential structure, selection structure, loop structure)

I. CHOICE of structure

1.if

Feature: At the same time, only one curly brace code will be executed

2,switch

Characteristics

• • By default, only one of the code following the case is executed
  • If there is no break behind a case, and if the case is true, it will be executed sequentially in all subsequent case statements, knowing that a break is encountered
  • If you want to define a new variable after the case, you must enclose it in curly braces {}

Second, the cycle structure

1,while

2,do while

Features: At least one cycle body is executed regardless of the condition

3,for

Select:::: General priority use for loop

Then consider the while

Finally, consider doing while

For loop structure:

The simplest form is: for (;;); For the Dead loop

Break

C-Flow control (sequential structure, selection structure, loop structure)