Dr Java Matrix Assignment

//reuseable independant class for a double matrix //or two-dimensional array public class Matrix { //data members private double[][] matrix; private int numRows; private int numCols; //Constructors //creates a 5x5 matrix public Matrix() { } //creates a nRxNc matrix public Matrix (int nR,int nC) { } //creates a deep copy of an existing matrix public Matrix(Matrix mat) { } //creates a matrix from an two dimensional array public Matrix(double[][] mat) { } //mutators //sets each element of the matrix to value public void fill(double value) { } //multiples each element by value public void scalarMult (double value) { } //manipulators //matrix addition returning the result public Matrix addMatrix (Matrix b) { } //matrix multiplication returning the result public Matrix multMatrix (Matrix b) { } public Matrix transpose() { } public void displayMatrix() { } }