JFreeChart Pie Chart Example

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import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.data.general.DefaultPieDataset;

public class JavaJFreeChartPieChart {

	public static void main(String[] args) {

		DefaultPieDataset dataset = new DefaultPieDataset();
		dataset.setValue("PieChart Category1", 40.1);
		dataset.setValue("PieChart Category2", 22);
		dataset.setValue("PieChart Category3", 81);
		// create a chart...
		JFreeChart chart = ChartFactory.createPieChart("Sample Pie Chart", dataset, true, // legend?
				true, // tooltips?
				false // URLs?
		);
		// create and display a frame...
		ChartFrame frame = new ChartFrame("JFreeChat Pie Chart", chart);
		frame.pack();
		frame.setVisible(true);
	}
}
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