Example usage for org.jfree.data.pie DefaultPieDataset subclass-usage

Introduction

In this page you can find the example usage for org.jfree.data.pie DefaultPieDataset subclass-usage.

Usage

From source file org.jfree.data.jdbc.JDBCPieDataset.java

/**
 * A {@link PieDataset} that reads data from a database via JDBC.
 * <P>
 * A query should be supplied that returns data in two columns, the first
 * containing VARCHAR data, and the second containing numerical data.  The
 * data is cached in-memory and can be refreshed at any time.