basketball 2

package ch.claude_martin.playground;

import java.util.Arrays;

public class SomeClass {

    public static void main(String[] args) {
        // number of tries:
        final int n = 5;
        // initialized as [0,0,0,0,0],
        // which is not a valid result
        final byte[] points = new byte[n];
        // initially the sum is 0;
        for (int sum = 0; sum < 3 * n; ) {
            // Get next combination:
            for (int j = 0; true; ++j) {
                if (points[j] == 3) {
                    points[j] = 0;
                    sum -= 3;
                } else {
                    ++points[j];
                    ++sum;
                    break;
                }
            }

            if (sum == n) // valid result?
                System.out.println(Arrays.toString(points));
        }
    }
}