AvailabiltyMessages.java

import javax.swing.JOptionPane;
import java.util.Random;

public class AvailabiltyMessages {
    public static void main(String[] args) {
        Random random = new Random();
        int choice = random.nextInt(10);  // generates a number between 0 and 9

        String message = "";

        switch (choice) {
            case 0:
                message = "I'll not be available in the first half today. Need to go for my Dentist.";
                break;
            case 1:
                message = "Due to electricity issue I will not be available for some time.";
                break;
            case 2:
                message = "Due to emergency I am not available for 1 hour.";
                break;
            case 3:
                message = "Internet issue from my side. I won't be available for some time.";
                break;
            case 4:
                message = "I will be reaching the office late today due to heavy traffic.";
                break;
            case 5:
                message = "I am not available in first half today.";
                break;
            case 6:
                message = "Power cut at my place so I will not be available from now.";
                break;
            case 7:
                message = "My laptop is under update. I am available once it is up.";
                break;
            case 8:
                message = "Please note Tomorrow I will be unavailable from 11:30 AM to 4:30 PM. Will compensate those hours later in the evening.";
                break;
            case 9:
                message = "I'm not well, going to the clinic. I’ll try to come online later or in the second half today.";
                break;
        }

        JOptionPane.showMessageDialog(null, message, "⏰ Availability Update", JOptionPane.INFORMATION_MESSAGE);
    }
}