*/
public void testSerialization() {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
CategoryAxis domainAxis = new CategoryAxis("Domain");
NumberAxis rangeAxis = new NumberAxis("Range");
BarRenderer renderer = new BarRenderer();
CategoryPlot p1 = new CategoryPlot(dataset, domainAxis, rangeAxis,
renderer);
p1.setOrientation(PlotOrientation.HORIZONTAL);
CategoryPlot p2 = null;
try {