Hi

   I am stuck on this Java coding question. I think I am on the right path of solving it but just not sure how to cod by not using a switch with cases.

Please if you could help in shortening  my coding.

Some programming notes:

• Your program should allow the user to go first
• Whoever gets to 21 or above loses

 

Feedback:

If you focus on each round (where a round is a user input plus a computer input). 

  User input: 1, 2 or 3

  Computer input ==> focus on a total sum for each round that will guarantee that each round

                    ends on an even number and that there is no way for the computer

                    to exceed 20/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package count21;

/**
 *
 * @author SOPHOL
 */
import java.util.Scanner;

public class Count21 {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        final int TWENTY_ONE = 21;
        int playerOneEntry;
        int computerEntry = 0;
        int total = 0;
        System.out.println("Instructions, two players take turns by entering 1, 2, or 3 \n" + "which is then added to a running total. Whoever makes the score go over twenty one " + "loses\n");

        while (total <= 21) {
            System.out.println("Player, please enter 1, 2, or 3 >>> ");
            playerOneEntry = input.nextInt();
            while (playerOneEntry != 1 && playerOneEntry != 2 && playerOneEntry != 3) {
                System.out.println("Player, please enter 1, 2, or 3 >>> ");
                playerOneEntry = input.nextInt();
            }
            total += playerOneEntry;
            System.out.println("Player one total is " + total);
            if (total == 21) {
                System.out.println("Player Wins!");
                total = 25;
            }

            if (total < TWENTY_ONE) {
                switch (total) {
                    case 1:
                        computerEntry = 1;
                        break;
                    case 2:
                        computerEntry = 1;
                        break;
                    case 3:
                        computerEntry = 3;
                        break;
                    case 4:
                        computerEntry = 3;
                        break;
                    case 5:
                        computerEntry = 3;
                        break;
                    case 6:
                        computerEntry = 2;
                        break;
                    case 7:
                        computerEntry = 1;
                        break;
                    case 8:
                        computerEntry = 1;
                        break;
                    case 9:
                        computerEntry = 3;
                        break;
                    case 10:
                        computerEntry = 2;
                        break;
                    case 11:
                        computerEntry = 3;
                        break;
                    case 12:
                        computerEntry = 2;
                        break;
                    case 13:
                        computerEntry = 1;
                        break;
                    case 14:
                        computerEntry = 3;
                        break;
                    case 15:
                        computerEntry = 2;
                        break;
                    case 16:
                        computerEntry = 1;
                        break;
                    case 17:
                        computerEntry = 1;
                        break;
                    case 18:
                        computerEntry = 3;
                        break;
                    case 19:
                        computerEntry = 2;
                        break;
                    case 20:
                        computerEntry = 1;
                        break;
                    default:
                        computerEntry = 1;
                }
            }

            total += computerEntry;
            System.out.println("Computer entered " + computerEntry);
            System.out.println("Computer total is " + total);
            if (total == 21) {
                System.out.println();
                total = 25;
                System.out.println("Computer Wins!");
            } else {
                System.out.println("The total is " + total);
            }
        }

    }
}

 

Thank you

SophiaPretty

(5)

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