Question

please do num 3,4 and 5.

Practice on Selecting the Appropriate Loop: You are playing a she guess lfavorite color variable guess the favorite color, and com user N e up began. In the loop, display w WaS COfrect or not the 3.) Scenario-You go to an arcade with 100 tokens, and each game costs a variable number of tokens. What loop should you use, and why? Before the loop begins, display how many tokens you have available. Inside the loop, ask the user how many tokens does the next game cost, and subtract that amount from t e total tokens if it is less than or equal to the total tokens. Then, state how many tokens are still left. 4.) Scenario-You go to an all-you-can-eat buffet. You are trying to eat only until you are no longer hungry. What loop should you use, and why? The loop should ask the user if he/she is STILL hungry, and if the answer is "yes" then the loop should display "eat more." 5.) Scenario-It is Saturday night, and you are watching the Lottery draw for Fantasy Five, You get inspired to write a program to generate 10 lotto tickets, each ticket has 5 Lotto numbers. What loop should you use, and why? Note: To generate the 5 locto numbers, you ae anoer loap inside the kets, and the inner loop is for the number of Lotto numbers on each ticket. The output should look like this, where-stands for the randomly generated number between 1 & 60, and stands for the remaining tickets. Ticket 1: Ticket 10:- -- -. " " Write a program to demonstrate each of these scenarios. These loops are required to be written in 1 program, worth 20 points per loop. Note: Use JOptionPane for this entire Lab.

Answer 1

Thanks for the question.

Here is the completed code for this problem. Comments are included so that you understand whats going on. Let me know if you have any doubts or if you need anything to change.

Thank You !!

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

public class Exercise {

    //// problem 3
    public static void arcadeGame() {

        int numberOfTokens = 100;

        // we will use while loop because we dont know ahead how many times the loop will execute
        // we use while loop in scenarios where the loop count is not known before hand
        while (numberOfTokens > 0) {

            int tokenCost = Integer.parseInt(JOptionPane.showInputDialog("How many tokens the next game cost: "));
            if (tokenCost <= numberOfTokens) {
                numberOfTokens -= tokenCost;
                JOptionPane.showMessageDialog(null, "You only have " + numberOfTokens + " tokens left");
            } else {
                JOptionPane.showMessageDialog(null, "You only have " + numberOfTokens + " tokens. Please select a lesser number.");
            }
        }
    }

    //// problem 4
    public static void eatUntilFilled() {
        // we will use while loop because we dont know ahead how many times the loop will execute
        // we use while loop in scenarios where the loop count is not known before hand
        String hungry = "Yes";
        while (hungry.equalsIgnoreCase("yes")) {
            hungry = JOptionPane.showInputDialog("Are you still hungry (yes/no)? ");
            if (hungry.equalsIgnoreCase("yes")) {
                JOptionPane.showMessageDialog(null, "Eat more..");
            }
        }
    }

    //// problem 5
    public static void generateLottoTicket() {

        Random random = new Random();

        // in this scenario we know exactly how many tickets we need to generate and
        // also how many numbers each ticket will have, hence we can use for loop
        // Here we know before hand how many iterations we need to make
        for (int ticket = 1; ticket <= 10; ticket++) {

            System.out.print("\n Ticket " + ticket + ": ");
            for (int luckyNumber = 1; luckyNumber <= 5; luckyNumber++) {
                System.out.print(random.nextInt(60) + 1 + " ");
            }
        }

    }

    public static void main(String[] args) {

        arcadeGame(); // problem 3
        eatUntilFilled(); // problem 4
        generateLottoTicket(); // problem 5
    }
}

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