A·Y
Konck! Knock!
OK
A·Y
Choose mode
dark
auto
light
Home
Categorys
Guide
Java
Git
Algorithm
WebServer
Database
WebFrontend
DataStructure
Web
Server
Containerization
Backup
Kotlin
Shell
Tags
Timeline
Mirrors
Gitee Pages
(opens new window)
Github Pages
(opens new window)
GitHub
(opens new window)
Java Tips
Konck! Knock!
OK
Java Tips
AlightYoung
5/26/2022
Java Tips
#
Preface
write this to log some useful (probably) Java tips when I face some confusing 'bugs'.
toLowerCase / toUpperCase do not change the original string.
Preface