Write a java program to find a product of 2d matrix using any one concept of inheritance

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Java

write a java program to find a product of 2d matrix using any one concept of inheritance

What I have tried:

public class ProdMatrix
{
public static void main(String[] args) {
int row1, col1, row2, col2;
//Initialize matrix a
int a[][] = {
{1, 3, 2},
{3, 1, 1},
{1, 2, 2}
};

//Initialize matrix b
int b[][] = {
{2, 1, 1},
{1, 0, 1},
{1, 3, 1}
};

//Calculates number of rows and columns present in first matrix
row1 = a.length;
col1 = a[0].length;

//Calculates the number of rows and columns present in the second matrix

row2 = b.length;
col2 = b[0].length;

//For two matrices to be multiplied,
//number of columns in first matrix must be equal to number of rows in second matrix
if(col1 != row2){
System.out.println("Matrices cannot be multiplied");
}
else{
//Array prod will hold the result
int prod[][] = new int[row1][col2];

//Performs product of matrices a and b. Store the result in matrix prod
for(int i = 0; i < row1; i++){
for(int j = 0; j < col2; j++){
for(int k = 0; k < row2; k++){
prod[i][j] = prod[i][j] + a[i][k] * b[k][j];
}
}
}

System.out.println("Product of two matrices: ");
for(int i = 0; i < row1; i++){
for(int j = 0; j < col2; j++){
System.out.print(prod[i][j] + " ");
}
System.out.println();
}
}
}}