How can I summarize the probability results, that I got with a loop? (Java)

Question

I'm wondering if is there a way to summarize the results of probability that I got through a loop? So I can know how many successful hits there were, given x number of attempts. Right now I just get a stream of 1 or 0 statements (1 for a successful hit, 0 for fail), not very practical. It looks like this:

public class doGry {
public static void main(String[] args ) {
    for (int i = 0; i < 50; i++) {
        // chance to hit (h) = 35% + (ma - md)
        // 8% < h < 90%
        double ma = 20;
        double md = 10;
        double probability;

        System.out.println("probability of success " + (probability = 35 + (ma - md)));

        double probab2 = probability / 100;
        double r = Math.random();

        int roll;
        if (r <= probab2) roll = 1;
        else roll = 0;
        System.out.println(roll);


    }

}

}

Answer 1

There are few variables that can be initialized outside of for-loop since you are not modifying its value, so no need it initialize it again and again.
Using a variable count, for keeping track of successful hits. For each successful hit, increment its value by 1.

public class doGry {
    public static void main(String[] args ) {
        double ma = 20;
        double md = 10;
        double probability = 35 + (ma - md);
        double probab2 = probability / 100;
        int count = 0;
        for (int i = 0; i < 50; i++) {

            System.out.println("probability of success " + probability);
            
            double r = Math.random();

            if (r <= probab2) 
            {
                System.out.println("1");
                count++;
            }
            else 
                System.out.println("0");
        }
        System.out.println("Succesful hits " + count);
    }
}