package school_project; public class Shape { protected boolean[][] matrix; protected int height, width; public Shape() { matrix = new boolean[0][0]; } public Shape(boolean[][] matrix){ this.setShape(matrix); } public void setShape(boolean[][] matrix) throws IllegalArgumentException{ height = matrix.length; width = matrix[0].length; for (boolean[] row: matrix){ if(row.length != width){ throw new IllegalArgumentException("The argument should be a square matrix"); } } this.matrix = matrix; } public int getHeight() { return height; } public int getWidth() { return width; } public boolean[][] getShape() { return matrix; } }