Question

How to generate a two dimensional (2D) array with values in Dart

Answer 1

void main() {
    int rows = 3;
    int cols = 4;

    var lst = List.generate(rows, (i) => List.generate(cols, (j) => i + j * cols, growable: false));

    lst.forEach((row) {
        print(row);
    });
}


 
/*
run:
 
[0, 4, 8, 12]
[1, 5, 9, 13]
[2, 6, 10, 14]
 
*/

 

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