Oracle Jdeveloper 12C (12.2.1.0) documentation tells about a new enhancement in look of pie chart
We can now design donut chart using dvt:pieChart , innerRadius property allows us to create donut chart look on the base of default pie chart.
Donut chart is nothing just a variation of pie chart that show data in sections of a circle, I believe everyone knows how to design a pie chart in ADF Faces
