piedata.xml

Jfreechart 源码例子 是和jfreechart development Guide文档相配套的

<?xml version="1.0" encoding="UTF-8"?>

<!-- A sample pie dataset for JFreeChart. -->

<PieDataset>
  <Item>
    <Key>Java</Key>
    <Value>15.4</Value>
  </Item>
  <Item>
    <Key>C++</Key>
    <Value>12.7</Value>
  </Item>
  <Item>
    <Key>PHP</Key>
    <Value>5.7</Value>
  </Item>
  <Item>
    <Key>Python</Key>
    <Value>9.1</Value>
  </Item>
</PieDataset>