# Package org.jfree.chart.util

- Interface Summary
  Interface | Description
  --- | ---
  ShadowGenerator | An interface that defines the API for a shadow generator.

- Class Summary
  Class | Description
  --- | ---
  AttrStringUtils | Some `AttributedString` utilities.
  CloneUtils | Utilities for cloning.
  DefaultShadowGenerator | A default implementation of the `ShadowGenerator` interface, based on code in a blog post by Romain Guy.
  LineUtilities | Some utility methods for `Line2D` objects.
  LogFormat | A number formatter for logarithmic values.
  ParamChecks | A utility class for checking parameters.
  ResourceBundleWrapper | Wrapper of ResourceBundle.getBundle() methods.
  XYCoordinateType | Represents several possible interpretations for an (x, y) coordinate.