Question

How to declare two dimensional (2D) array in Scala

Answer 1

object MyClass {
    def main(args: Array[String]): Unit = {
        val arr = Array.ofDim[Int](3, 3);

        val row1 = arr.apply(0);
        row1.update(0, 11);
        row1.update(1, 22);
        row1.update(2, 33);
    
        val row2 = arr.apply(1);
        row2.update(0, 88);
        row2.update(1, 99);
    
        val row3 = arr.apply(2);
        row3.update(0, 77);
    
        for (row <- arr) {
            for (n <- row) {
                print(n);
                print(" ");
            }
            println();
        }
    }
}
    
    
    
    
/*
run:
    
11 22 33 
88 99 0 
77 0 0 
 
*/

 

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