When I started demo from gs-algo/src-test/org/graphstream/algorithm/measure/demo/*
I got that Exception:
Exception in thread "AWT-EventQueue-0" java.lang.ClassCastException: class java.lang.Double cannot be cast to class java.lang.Float (java.lang.Double and java.lang.Float are in module java.base of loader 'bootstrap')
at org.graphstream.ui.swing.renderer.shape.swing.shapePart.Fillable.configureFillableForElement(Fillable.java:106)
When I started demo from gs-algo/src-test/org/graphstream/algorithm/measure/demo/* I got that Exception: Exception in thread "AWT-EventQueue-0" java.lang.ClassCastException: class java.lang.Double cannot be cast to class java.lang.Float (java.lang.Double and java.lang.Float are in module java.base of loader 'bootstrap') at org.graphstream.ui.swing.renderer.shape.swing.shapePart.Fillable.configureFillableForElement(Fillable.java:106)