// JFreeChart Example
// No modules defined
// Source code file BarChart.java
// Create a bar chart using JFreeChart library.
//
// JAR files jcommon-1.0.23.jar and jfreechart-1.0.19.jar
// must be added to project.

import java.io.*;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.ChartUtilities;
public class BarChart {
    public static void main(String[] args) {
        try {

            // Define data for line chart.
            DefaultCategoryDataset barChartDataset =
                    new DefaultCategoryDataset();
            barChartDataset.addValue(1435, "total", "East");
            barChartDataset.addValue(978,  "total", "North");
            barChartDataset.addValue(775,  "total", "South");
            barChartDataset.addValue(1659, "total", "West");

            // Define JFreeChart object that creates line chart.
            JFreeChart barChartObject = ChartFactory.createBarChart(
                    "Sales ($1000)", "Region", "Sales", barChartDataset,
                    PlotOrientation.VERTICAL,
                    false,  // Include legend.
                    false,  // Include tooltips.
                    false); // Include URLs.

            // Write line chart to a file.
            int imageWidth = 640;
            int imageHeight = 480;
            File barChart = new File("sales.png");
            ChartUtilities.saveChartAsPNG(
                    barChart, barChartObject, imageWidth, imageHeight);
        }

        catch (Exception i)
        {
            System.out.println(i);
        }
    }
}