/*
    Menu3.java
    CIS 160
    David Klick
    2004-09-20

    Demonstrates post-test loop implementing a menu
*/

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class Menu3 {
    public static void main(String[] args) throws IOException {
        BufferedReader kbd = new BufferedReader(
            new InputStreamReader(System.in));
        String strIn;
        char choice;

        do {
            // This next instruction clears some space on the screen
            System.out.println("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
        
            System.out.println("Main menu\n");
            System.out.println("   1. (E)ncouragement\n");
            System.out.println("   2. (A)dvice\n");
            System.out.println("   3. The (t)ruth\n");
            System.out.println("   4. (Q)uit\n");
            System.out.print("Please enter choice: ");

            strIn = kbd.readLine();
            choice = strIn.toUpperCase().charAt(0);
        
            System.out.println();
        
            switch (choice) {
            case '1':
            case 'E':
                System.out.println("Things could get worse.");
                break;
            case '2':
            case 'A':
                System.out.println("Don't eat anything bigger than your head.");
                break;
            case '3':
            case 'T':
                System.out.println("You can't handle the truth.");
                break;
            case '4':
            case 'Q':
                // no need to do anything since we are quitting
                break;
            default:
                System.out.println("Invalid choice, moron!");
            }
            if (choice != '4' && choice != 'Q') {
                System.out.print("\nPress enter to continue ");
                strIn = kbd.readLine();
            }
        } while (choice != '4' && choice != 'Q');
        System.out.println("\nHave a nice day.");
    }
}