Ejercicio 2

import java.util.Random;
public class Arreglo2 {
       int[][] A=new int[3][3];

       public void llenadoArreglo(){
              Random r1=new Random();
              for(int i=0;i<A.length;i++){
                  for(int j=0;j<A[i].length;j++){
                      A[i][j]=r1.nextInt(6)+1;

                  }
              }
       }

       public void mostrarArreglo(){
              for(int i=0;i<A.length;i++){
                  for(int j=0;j<A[i].length;j++){
                      System.out.print(A[i][j]+ " " );
                  }
                  System.out.println("");
              }
       }

       public void calcularDeterminante(){
              int det;
              det=A[0][0]*A[1][1]*A[2][2]+A[0][1]*A[1][2]*A[2][0]+A[0][2]*A[1][0]*A[2][1]-A[0][0]*A[1][2]*A[2][1]-A[0][1]*A[1][0]
                      *A[2][2]-A[0][2]*A[1][1]*A[2][0];
              System.out.println("El determinante es: " + det);
       }
}