Rationale: Instantiating utility classes does not make sense. Hence the constructors should either be private or (if you want to allow subclassing) protected. A common mistake is forgetting to hide the default constructor. If you make the constructor protected you may want to consider the followin...
IDEA Screen 屏幕安装说明书 INSTRUCTION BOOK FOR IDEA™ Screen
The next screen will prompt you for data necessary to create the initial admin user: Username and password: You will use this information to log-in into the administrative interface. The password you provide here will also be used to protect other parts of the installation. Please see the sec...