import java.util.Arrays;

public class Main {

    public static void main(String[] args) {
        System.out.println(summeArrayWerte(arrayBuild(10,10)));
        var r = Arrays.deepToString(arrayBuild(10,10));
        System.out.println(r.replace("], ", "]\n").replace("[[", "[").replace("]]","]"));
    }

    //array initialisieren mit beliebig vielen Zeilen
    public static int[][] arrayBuild(int rows, int cols){
    var arr = new int[rows][cols];
        for (int i = 0; i < arr.length; i++) {
            for (int j = 0; j < arr[i].length; j++) {
                arr[i][j]= i + j;
            }
        }
        return arr;
    }

    //Summe berechnen mittels for und for each
    public static int summeArrayWerte(int[][] data){
        int summe = 0;

       /* for (int i = 0; i < data.length; i++) {
            for (int j = 0; j < data[i].length; j++) {
                summe += data[i][j];
            }

        */
            for (int[] row : data) {
                for (int n : row) {
                    summe += n;
                }
            }
        return summe;
    }

}