basketball

package ch.claude_martin.playground;

import java.util.Arrays;
import java.util.stream.IntStream;

public class SomeClass {
    /** Sum of all given points. */
    static int sum(int[] points) {
        int result = 0;
        for (int p : points) {
            result += p;
        }
        return result;
    }

    // alternative implementation:
    static int sum2(int... points) {
        return (int) IntStream.of(points).sum();
    }

    public static void main(String[] args) {
        // number of tries:
        int n = 5;

        // initialized as [0,0,0,0,0],
        // which is not a valid result
        int[] points = new int[n];

        for (;;) { // endless loop
            // Get next combination:
            for (int j = 0; j < points.length; ++j) {
                if (points[j] == 3)
                    points[j] = 0;
                else {
                    ++points[j];
                    break;
                }
            }

            int sum = sum(points);

            if (sum(points) == n) // valid result?
                System.out.println(Arrays.toString(points));
            if (sum == 3 * n) // stop criterion
                break;

        }

    }
}