# Hierarchy For Package org.optaplanner.core.api.solver.event

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - java.util.EventObject (implements java.io.Serializable)
    - org.optaplanner.core.api.solver.event.BestSolutionChangedEvent<Solution_>

## Interface Hierarchy

- java.util.EventListener
  - org.optaplanner.core.api.solver.event.SolverEventListener<Solution_>