OOP2

/*	Copyright 2015 Maarten Vangeneugden

	Licensed under the Apache License, Version 2.0 (the "License");

	you may not use this file except in compliance with the License.

	You may obtain a copy of the License at

		https://www.apache.org/licenses/LICENSE-2.0

	Unless required by applicable law or agreed to in writing, software

	distributed under the License is distributed on an "AS IS" BASIS,

	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

	See the License for the specific language governing permissions and

	limitations under the License.*/

import java.util.*;

class Matrix

{

	//No constructor. Java makes a default constructor.

	public int[][] matrix()

	{

		return m_matrix;

	}

	public void setMatrix(int[][] matrix)

	{

		for(int i=0; i<3; i++)

			for(int j=0; j<3; j++)

				m_matrix[i][j] = matrix[i][j];

	}

	public void sum(Matrix matrix)

	{

		for(int i=0; i<3; i++)

			for(int j=0; j<3; j++)

				m_matrix[i][j] += matrix.matrix()[i][j];

	}

	public void product(Matrix matrix)

	{

		for(int i=0; i<3; i++)

			for(int j=0; j<3; j++)

				m_matrix[i][j] *= matrix.matrix()[i][j];

	}

	private int m_matrix[][];

}