Update Java.md

Former-commit-id: 6f09423a

src/Java.md

@@ -205,6 +205,7 @@ It would be appreciated if there are any Java VTK experts who could convert any
 
 | Example Name | Classes Demonstrated | Description | Image |
 | -------------- | ---------------------- | ------------- | ------- |
+[IceCream](/Java/VisualizationAlgorithms/IceCream) | vtkImplicitBoolean vtkSampleFunction | How to use boolean combinations of implicit functions to create a model of an ice cream cone.
 [ImplicitDataSet](/Java/ImplicitFunctions/ImplicitDataSet) | | Implicit functions, implicit data set.
 [ImplicitSphere](/Java/ImplicitFunctions/ImplicitSphere) | vtkSphere vtkAppendPolyData vtkTubeFilter | ImplicitFunctions, Append poly data, tube filter, sphere
 [SampleFunction](/Java/ImplicitFunctions/SampleFunction) | vtkSampleFunction | Sample an implicit function over a structured point set.