Не проходит метод print()!

public class Canvas {
    private int width;
    private int height;
    private char[][] matrix = null;

    public Canvas(int width, int height) {
        this.width = width;
        this.height = height ;
        this.matrix = new char[height][width];
    }

    public int getWidth() {
        return width;
    }

    public int getHeight() {
        return height;
    }

    public char[][] getMatrix() {
        return matrix;
    }

    public void setPoint(double x, double y, char c){
        int x1 = (int)Math.round(x);
        int y1 = (int)Math.round(y);
        if (!(x1 < 0 || y1 < 0 ||x1 >= matrix[0].length || y1 >= matrix.length)) {
            matrix[y1][x1] = c;
        }
    }

    public void drawMatrix(double x, double y, int[][] matrix, char c){
        for (int i = 0; i < matrix.length; i++) {
            for (int j = 0; j < matrix[0].length; j++) {
                if (matrix[i][j] != 0){
                    setPoint(x+j, y+i, c);
                }
            }
        }
    }

    public void clear() {
        matrix = new char[height][width];
    }

    public void print() {

        for (int i = 0; i < height; i++) {
            for (int j = 0; j < width; j++) {
                System.out.print(matrix[i][j]);
            }

            System.out.println();
        }

        System.out.println();
        System.out.println();
    }
}