public static void main(String[] args) throws IOException {
    list.add(new Student("Doug", 17));
    list.add(new Student("Sally", 14));
    // Start the program by welcoming the user and listing all available commands
    System.out.println("\nWelcome!\n");
    commandList();
    while(isRunning) {
        // Begin the line with a newline and a '>'
        System.out.print("\n>");
        // Read the next line and run the corresponding command
        executeCommand(userIn.nextLine());
    }
}