Black Horse Basic Stage Test Question: prompt the user to enter the account name. The account name must be longer than 5 and start with a letter. If not, prompt the user to re-enter until the entered account name meets the requirements .,

Black Horse Basic Stage Test Question: prompt the user to enter the account name. The account name must be longer than 5 and start with a letter. If not, prompt the user to re-enter until the entered account name meets the requirements .,

Code:

Package com. swift; import java. util. required; public class XunhuanLogin {public static void main (String [] args) {/** prompt the user to enter the account name. The length of the account name must be greater than 5 and start with a letter. If not, the user is prompted to re-enter until the entered account name meets the requirements. */String name; boolean flag = false; scanned scan = new trim (System. in); while (! Flag) {System. out. println ("enter an Account name:"); name = scan. nextLine (); if (name. length () <= 5) {System. out. println ("the username length must be greater than 5");} else {if (Character. isLetter (name. charAt (0) {System. out. println ("User Name input succeeded"); flag = true;} else {System. out. println ("the user name must start with a letter. Please enter another account name... ");}}}}}