/*
    This program simulates rolling two pairs of dice until the
    totals showing on both pairs are the same.  The number of
    rolls is reported.  Use the class PairOfDice.

*/


public class RollTwoPairs {

    public static void main(String[] args) {
                 
        PairOfDice firstDice;  // Refers to the first pair of dice.
        firstDice = new PairOfDice();
        
        PairOfDice secondDice; // Refers to the second pair of dice.
        secondDice = new PairOfDice();
        
        int countRolls;  // Counts how many times the two pairs of
                         //    dice have been rolled.
        
        int total1;      // Total showing on first pair of dice.
        int total2;      // Total showing on second pair of dice.
        
        countRolls = 0;
        
        do {  // Roll the two pairs of dice until totals are the same.
        
            firstDice.roll();    // Roll the first pair of dice.
            total1 = firstDice.die1 + firstDice.die2;   // Get the total.
            System.out.println("First pair comes up  " + total1);
            
            secondDice.roll();    // Roll the second pair of dice.
            total2 = secondDice.die1 + secondDice.die2;   // Get the total.
            System.out.println("Second pair comes up " + total2);
            
            countRolls++;   // Count this roll.
            
            System.out.println();  // Blank line.
            
        } while (total1 != total2);
        
        System.out.println("It took " + countRolls + " rolls until the totals were the same.");
        
    } // end main()

} // end class RollTwoPairs