Just learn Java white want to ask a question about reading the keyboard input numbers

Import java.util.*;

public class Main {

public static void Main (string[] args) {

Main main= new Main ();

Menu start = new menu ();

Main.checkid ();

System.out.println ("Welcome". ");

Scanner sc = new Scanner (system.in);

int select = Sc.nextint ();

Switch (SELECT) {

Case 1:;

}

}

Check Login

private void Checkid () {

Used to read input

Scanner input = new Scanner (system.in);

Boolean loginStatus = false;

Number of password errors recorded

int count = 0;

while (LoginStatus = = False) {

if (Count >= 3) {

SYSTEM.OUT.PRINTLN ("error more than three times, account freezes");

System.exit (-1);

}

System.out.println ("Please enter your account:");

String name = Input.next ();

System.out.println ("Please enter password:");

String password = input.next ();

if ("admin". Equals (name) && "admin". Equals (password)) {

LoginStatus = true;

Remember to close the scanner.

Input.close ();

SYSTEM.OUT.PRINTLN ("Login Successful");

Break

} else {

System.out.println ("Incorrect account or password, please re-enter");

count++;

}

}

}

Exception in thread "main" java.util.NoSuchElementException

At Java.util.Scanner.throwFor (scanner.java:907)

At Java.util.Scanner.next (scanner.java:1530)

At Java.util.Scanner.nextInt (scanner.java:2160)

At Java.util.Scanner.nextInt (scanner.java:2119) more 0

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Just learn Java white want to ask a question about reading the keyboard input numbers