Static String [] usernames={" zhang ", "li si", "detective"};
Public static void main (String [] args) throws RegisterException {
//use Scanner input register information
Scanner sc=new Scanner(System.in);
System. The out. Println (" please enter your registered user name: ");
String username=sc. Next ();
CheckName (username);

}
//determine
Public static void checkName (String username) throws RegisterException {
//iterate through group
For (String name: usernames) {
{if (username. Equals (usernames))
Throw new RegisterException (" error ");
}
}
System. The out. Println (" registration ");
}

Zhang SAN, existing in the array are input zhang still show registration, should not interrupt handling after throwing an exception?

CodePudding user response:

Username. Equals (usernames) to the username. Equals (name)

CodePudding user response:

I don't know what to say , you don't take the name than walking down group, take the original array, you traverse point?