import java.util.Scanner;
import javax.swing.JFrame;
public class StockChart {
static Scanner input = new Scanner(System.in);
public static void main(String[] args){
System.out.print("Enter stock name: ");
String name = input.nextLine().trim();
double[] p = getPrices();
System.out.print("Enter width of chart: ");
int width = Integer.parseInt(input.nextLine());
System.out.print("Enter height of chart: ");
int height = Integer.parseInt(input.nextLine());
JFrame frame = new JFrame("Chart for " + name);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
StockChartPanel panel = new StockChartPanel(p, width, height);
frame.getContentPane().add(panel);
frame.pack();
frame.setVisible(true);
}
//prompts the user to enter the stock prices and stores them in an array of double values
private static double[] getPrices(){
double[] prices = new double[5];
for(int i = 0; i < 5; i++){
System.out.print("Enter ");
switch(i){
case 0:
System.out.print("Monday ");
break;
case 1:
System.out.print("Tuesday ");
break;
case 2:
System.out.print("Wednesday ");
break;
case 3:
System.out.print("Thursday ");
break;
case 4:
System.out.print("Friday ");
break;
}
System.out.print("price: ");
prices[i] = input.nextDouble();
input.nextLine();
}
return prices;
}
}
panel class:
import javax.swing.JPanel;
import java.awt.*;
public class StockChartPanel extends JPanel{
double[] prices;
int height, width;
public StockChartPanel(double[] p, int h, int w){
prices = p;
height = h;
width = w;
//the height is height+height/10 because there is a margin under the bars so I can write the days
setPreferredSize(new Dimension(width, height+height/10));
}
public void paintComponent(Graphics g){
int y = height/2;
g.setColor(Color.RED);
g.fillRect(0, height/2, width/5, height-(height/2));
g.setColor(Color.BLUE);
/////////////////////////////////////this is where I'm having trouble///////////////////////////////////////////////////////////////////////////////////////
g.fillRect(width/5, (int)(y+(prices[0]/(height/2)*prices[1])), width/5, (int)(height - (y+(prices[0]/(height/2)*prices[1]))));
}
}
as you can probably see, I'm having a lot of trouble figuring out the y coordinate and the height of the second bar, let alone the other three. If anyone could help that would be swell.
Thanks a lot
, so this actually works
