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This principle means that there are no methods in each interface that subclasses cannot use but must implement. If not, the interface must be split. It is better to use multiple isolated interfaces than to use a single interface (an interface where multiple interface methods are assembled into one).In the process, the tightness of the bound rope shall not be greater than one foot distance of the respective players.Table 1Validator.add (registerForm.userName, [{strategy: 'isNotEmpty', errorMsg: 'User name cannot be empty'}, {strategy: 'min Length: 6', errorMsg: 'User name cannot be less than 6 bits long'}])The Chinese character "China" inscribed on the stone is the only word that a Kirgiz grandmother living on the border of southern Xinjiang can write in her life.Software Firewall: Firewall that applies software processing logic to run on a common hardware platform with low performance and low cost.The results of the survey found that: