The Graph Class

Graph.java

public class Graph { private char[][] canvas; // used to draw our graphs private int rows; // number of rows in canvas private int columns; // number of columns in canvas private char pen; // currently used for drawing private double x0; // current x range is [x0 .. x1) private double x1; private double y0; // current y range is [y0 .. y1) private double y1; /** * Prepare a graph for the given canvas. * * @graphCanvas two-dimensional array, already allocated. */ public Graph(char[][] graphCanvas) { canvas = graphCanvas; rows = canvas.length; columns = canvas[0].length; x0 = 0; x1 = 1; y0 = 0; y1 = 1; pen = '*'; } // ... }