Uses of Interface
org.jfree.data.IntervalCategoryDataset

Packages that use IntervalCategoryDataset
Package Description
org.jfree.chart
Core classes, including JFreeChart and ChartPanel.
org.jfree.chart.demo  
org.jfree.data
Data interfaces and classes.
org.jfree.data.gantt
Data interfaces and classes for Gantt charts.