How to activate another loop from another loop

[Paraknight]

I am programming a game called Pig that involves a pair of dice. In the game, the user verses a computer. On each turn, the player rolls a pair of dice and adds up his or her points. Whoever reaches 100 points first, wins. If a player rolls a 1, he or she loses all points for that round and the dice goes to the other player. If a player rolls two 1's in one turn, the player loses all points earned so far in the game and loses control of the dice. The player may voluntarily turn over the dice after each roll. So the player must decide to either roll again and risk losing points, or give up the dice, possibly letting the other player win. I also need to make the computer automatically give up the dice if it receives 20 or more points, while it is their turn.

I almost finished coding the user's turn, but I don't know how to allow the user to give up the dice to the computer. I am not exactly sure what I need to to in order for this to happen but I am guessing that you need to somehow activate another loop in the loop that the user is using. If this way won't work, what can I do to make it work?

Here are the variable declarations:

import java.util.Scanner;
public class FourFive
{
    public static void main (String[] args)
    {
        Pigs myopp = new Pigs();
        Scanner scan = new Scanner (System.in);
        final int Round = 20;
        int num1 = 0, num2 = 0;
 
 
        int playerTotal = 0;
        int compTotal = 0;
        int win = 100;
        int turnOver = 1;
        Pigs die1 = new Pigs();
        Pigs die2 = new Pigs();
        int play;
 
 
 
        int playerTotal = 0;
        int compTotal = 0;
        int win = 100;
        int turnOver = 1;
        Pigs die1 = new Pigs();
        Pigs die2 = new Pigs();
        int play;

Here is the user's loop:

System.out.println("Type 1 to roll, type 2 to turn over the dice");
        play = scan.nextInt();
 
 while (play != 0)
        {
            for (int roll = 1; roll <= 6; roll++)//6 sided die
            {
                num1 = die1.roll();
                num2 = die2.roll();
                int points = num1 + num2;
                System.out.println("You roll " + num1 + " and " + num2);
 
                if (num1 == 1 && num2 == 1) {
                    playerTotal = 0;
                    System.out.println("You lose control of the dice and lose all points");
                    play = 2;// trying to make the computer roll
                }
                else if (num1 != 1 && num2 != 1) {
                    playerTotal += points;
                    System.out.println("you earned " + points + " this round");
                    play = 2;//trying to make the computer roll
                }
                else 
                    System.out.println("No additional points added, you lose control of the dice");
 
                if (play == 2)
 
 

Here is the computer's loop (the code is incomplete and I don't know what loops to use):

 while (play == 2)//computers turn
        {
         int roundTotal = num1 + num2;//Not sure what loops to use
            while (roundTotal <= 20)//total number of points for each round
            {
                for (int roll = 1; roll <= 6; roll++)//six sided die
                    {
                        num1 = die1.roll();
                        num2 = die2.roll();
 
                        System.out.println("Computer rolls " + num1 + " and " + num2);
 
                        if (num1 == 1 && num2 == 1) {
                            compTotal = 0;
                            System.out.println("Computer loses control of the dice and loses all points, Your turn");
                            play = 1;//trying to make player roll
 
                        }
                        else if (num1 != 1 && num2 != 1) {
                            compTotal += roundTotal;
                            System.out.println("Computer earned " + roundTotal + " this round");
                            play = 1;//trying to make player roll
                        }
                        else {
                            System.out.println("Computer gained no additional points, your turn");
 
                        }
                        System.out.println("Computer has a total of " + compTotal);
 
 
 
 
 
          }
         }
        }
        System.out.println("Type anything to roll (0 to quit)");
        play = scan.nextInt();
    }
 }
 

I am not sure how to switch between the user's loop and computer's loop. If anything is unclear, please let me know. Thank you in advance.

[Frinavale]

Maybe, since you have Players, you should create a Player class that allows the application to run.

This is my suggestion but there are many ways to solve this problem:

Take the code that is in the "players loop" and put it in the Player class as a function (maybe call it PlayersTurn or something). Then take the code that is in the "computer's loop" and put it into another function in the Player class (maybe call it ComputersTurn).

Your main, outer loop will then be modified to first call the PlayersTurn method until the method finishes, and then call the ComputersTurn method until it finishes.

This loop should never exit unless some sort of "quit game" command is provided by the user during their turn maybe? Or maybe after their turn? You'll have to determine this.