Learning immediately: https://edu.csdn.net/course/play/20589/257733?utm_source=blogtoedu
Boolean (bool) type
= 1. The result of the comparison operation Boolean = true / false
2. Comparison Operators
(1)> is greater than
(2) <Less than
(3)> = greater than or equal
(4) <= Less than or equal
(5) == Equal
(6)! = Not equal