Programming-1/DiceSimulation3.java at master · preciousj/Programming-1 · GitHub

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/**
This class simulates rolling a pair of dice 10,000 times and
counts the number of times doubles of are rolled for each different
pair of doubles.
 */

import java.util.Random;        //to use the random number generator
public class DiceSimulation3
{
    public static void main(String[] args)
    {
        final int NUMBER = 10000;   //the number of times to roll the dice

        //a random number generator used in simulating rolling a dice
        Random generator = new Random();
        int die1Value;          // number of spots on the first die
        int die2Value;          // number of spots on the second die
        int snakeEyes = 0;      // number of times snake eyes is rolled
        int twos = 0;           // number of times double two is rolled
        int threes = 0;         // number of times double three is rolled
        int fours = 0;          // number of times double four is rolled
        int fives = 0;          // number of times double five is rolled
        int sixes = 0;          // number of times double six is rolled
        int count = 0;
        Random rand = new Random ();
        Random rand2 = new Random ();
        do
        {
            count=count+1;
            die1Value = rand.nextInt(6)+1;
            die2Value = rand2.nextInt(6)+1;

            if ((die1Value == 1)&&(die2Value == 1))
            {snakeEyes++;}

            else if ((die1Value == 2)&&(die2Value == 2))
            {twos++;}

            else if ((die1Value == 3)&&(die2Value == 3))
            {threes++;}

            else if ((die1Value == 4)&&(die2Value == 4))
            {fours++;}

            else if ((die1Value == 5)&&(die2Value == 5))
            {fives++;}

            else if ((die1Value == 6)&&(die2Value == 6))
            {sixes++;}
        }
        while (count<NUMBER);

        System.out.println ("You rolled snake eyes " + snakeEyes +
            " out of " + count + " rolls.");
        System.out.println ("You rolled double twos " + twos +
            " out of " + count + " rolls.");
        System.out.println ("You rolled double threes " + threes +
            " out of " + count + " rolls.");
        System.out.println ("You rolled double fours " + fours +
            " out of " + count + " rolls.");
        System.out.println ("You rolled double fives " + fives +
            " out of " + count + " rolls.");
        System.out.println ("You rolled double sixes " + sixes +
            " out of " + count + " rolls.");

    }
}