code

package text.game;
import java.util.Scanner;

public class TextGame {

 static Scanner scan = new Scanner(System.in);
 static class user extends TextGame {
  String username;
  int password;
  String[] notes;

  public user(String username, int password) {
   this.username = username;
   this.password = password;
  }

 }
 static user[] userarr = new user[10];
 static int a = 0;


 public static void newuser() {
  System.out.println("\n\nType the username for this user.");
  String usernameA = scan.nextLine();
  System.out.println("Username is now " + usernameA + ". is this what you want? type 'yes' to proceed, or 'no' to enter username again.");
  if (scan.nextLine().equals("no")) {
   newuser();
  } else {
   System.out.println("\n\n type the password for this user. (numbers only.)");
   int passwordA = scan.nextInt();
   System.out.println("user is " + usernameA + " and password is " + passwordA + ". creating user.");
    userarr[a] = new user(usernameA, passwordA);
    System.out.println("user created!");
    a += 1;
   }
  }

 public static void login() {
  System.out.println("which account do you want to log into? type the name of a user, or type 'list' to view the users signed in.");
  String ch2 = scan.nextLine();
  if (ch2.equals("list")){
   for (int i=0;i<a;i++) {System.out.println(userarr[i].username);}
  }
 }



 public static void main(String[] args) {
  do {
   System.out.println("Welcome to LINCOLN COMP console OS. Type 'new' to create a new user, type 'log' to log in to an existing user, or type 'exit' to leave.\nif you are asked a yes or no question, if you type something other than yes or no, it will default to yes.");
   String ch1 = scan.nextLine();
   switch (ch1) {
    case "new":
     if (a==10) {
      System.out.println("maximum users have been created. type a username to delete that user, type list to list users, or type back to return.");
      String ch3 = scan.nextLine();
      if (ch3.equals("list")) {for (int i=0;i<a;i++) {System.out.println(userarr[i].username);}} else if (ch3.equals("back")) {break;} else {
      for (int i=0;i<a;i++) {if (System.out.println(userarr[i].username).equals(ch3)){System.out.println("text i will add later");}}
      }
     }else {
     System.out.println("Initializing user creation method:");
     newuser();
     }
     break;
    case "log":
        login();
     break;
    case "exit":
     System.out.println("Goodbye!");
     System.exit(0);
     break;
    case "debug":
     for (int i=0;i<userarr.length;i++) {System.out.println(userarr[i]);}
     break;
    default:
     System.out.println("restarting.");
   }

  } while (true);
 }

}