kcse_2013_results.BarChartExample.java Source code

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Here is the source code for kcse_2013_results.BarChartExample.java

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package kcse_2013_results;

import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.io.File;
import java.io.IOException;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.DefaultCategoryDataset;

public class BarChartExample {
    public static void main(String[] args) {
        // Create a simple Bar chart
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        dataset.setValue(6, "Profit", "Jane");
        dataset.setValue(7, "Profit", "Tom");
        dataset.setValue(8, "Profit", "Jill");
        dataset.setValue(5, "Profit", "John");
        dataset.setValue(12, "Profit", "Fred");
        JFreeChart chart = ChartFactory.createBarChart("Comparison between Salesman", "Salesman", "Profit", dataset,
                PlotOrientation.VERTICAL, false, true, false);

        final Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        final int width = screenSize.width;
        final int height = screenSize.height;
        try {
            ChartUtilities.saveChartAsJPEG(new File("C:\\Users\\Wachira\\Desktop\\chart.jpg"), chart, width,
                    height);
        } catch (IOException e) {
            System.err.println("Problem occurred creating chart.");
        }
    }
}