Programing with Java2 (perhitungan pada Matrix)

public class Matrixx {
    public static void main(String[]args){

        int BarisMatrix1 = Integer.parseInt(JOptionPane.showInputDialog("Matrix 1\nJumlah Baris"));
        int KolomMatrix1 = Integer.parseInt(JOptionPane.showInputDialog("Matrix 1\nJumlah Kolom"));

        int BarisMatrix2 = Integer.parseInt(JOptionPane.showInputDialog("Matrix 2\nJumlah Baris"));