I CAN'T...
import java.util.Scanner; class Demo { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int number; do { number = scanner.nextInt(); switch (number) { case 1: System.out.println("Language selection"); break; case 2: System.out.println("Customer support"); break; case 3: System.out.println("Check account balance"); break; case 0: System.out.println("Exit"); break; } } while (number != 0); } } IT GIVES ME ERROR...