import java.io.Console;
import java.util.Arrays;
public class PasswordPromptingDemo {
public static void main(String[] args) {
Console console = System.console();
if (console == null) {
System.out.println("Console is not available");
System.exit(1);
}
char[] password = "mustang".toCharArray();
char[] passwordEntered = console.readPassword("Enter password: ");
if (Arrays.equals(password, passwordEntered)) {
System.out.println("\n Access granted \n");
Arrays.fill(password, ' ');
Arrays.fill(passwordEntered, ' ');
System.out.println("OK ...");
} else {
System.out.println("Access denied");
System.exit(1);
}
}
}