TwoDiceSum

package apcs;
import java.util.*;

public class TwoDiceSum {


    public static void main(String[] args) {
    	double count = 0.0;
    	int rollvalue = 0;
    	double dice1 = 0.0;
    	double dice2 = 0.0;
    	Scanner input = new Scanner(System.in);
    	int desiredSum = input.nextInt();
    	int numberRolls = input.nextInt();

    for (int i = 0; i <= numberRolls; i++) {
        dice1 = (Math.random()*6) + 1;
        dice2 = (Math.random()*6) + 1;
        rollvalue = (int) (dice1 + dice2);
        if (rollvalue ==  desiredSum) {
        	count++;
        }

    }


    double unroundedprobability = count / (double)(numberRolls);
    double probability = Math.round(unroundedprobability * 100.0) / 100.0;
    System.out.println();
    System.out.println("Enter desired sum of two dice: Enter number of rolls: probability: " + probability);

}
}