org.jfree.data.category.DefaultCategoryDataset报错

在jsp中,用jfreechart做柱状图,DefaultCategoryDataset dataset = new DefaultCategoryDataset(); 引入org.jfree.data.DefaultCategoryDataset却没有用。高手解决一下 匿...

求助java.lang.ClassNotFoundException: org.jfree.data.DefaultCategoryDataset [问题点数:40分,结帖人zhangli865621030] 收藏 关注 zhangli865621030 zhangli...

org.jfree.data.category Class DefaultCategoryDatasetjava.lang.Object org.jfree.data.general.AbstractDataset org.jfree.data.category.DefaultCategoryDataset ...

org.jfree.chart.JFreeChart, org.jfree.chart.plot.PlotOrientation, org.jfree.chart.servlet.ServletUtilities, org.jfree.data.category.DefaultCategoryDataset"%>...

import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; ... JFreeChart chart = ChartFactory.createLineChart("...

求助java.lang.ClassNotFoundException: org.jfree.data.DefaultCategoryDataset2013-10-12 14:20:33 org.求助java.lang.ClassNotFoundException: org.jfree.data....

org.jfree.data.category Class DefaultCategoryDataset java.lang.Object org.jfree.data.general.AbstractDataset org.jfree.data.category.DefaultCategoryDataset ...

import org.jfree.chart.title.TextTitle;import org.jfree.data.category.CategoryDataset;import org.jfree.data.category.DefaultCategoryDataset;import org.jfree....

import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; public class BarChartDemo { public static void main(Str...

import org.jfree.chart.plot.PlotOrientation; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; /** ...