ตัวพิมพ์ใหญ่หรือตัวพิมพ์เล็ก

class ShoutItOut {
    public static void main(String[] args) {
        String message = "It's a good day to have a good day!";
        
        // Print the message in uppercase
        System.out.println(message.____);
        
        // Print the message in lowercase
        System.out.println(____);
    }
}