# Hierarchy For Package org.jfree.report.expressions.sys

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.jfree.report.expressions.AbstractExpression (implements org.jfree.report.expressions.Expression)
    - org.jfree.report.expressions.sys.GetValueExpression
    - org.jfree.report.expressions.sys.GroupByExpression
    - org.jfree.report.expressions.sys.IsEmptyDataExpression
    - org.jfree.report.expressions.sys.IsEmptyExpression
    - org.jfree.report.expressions.sys.IsEndOfDataExpression
    - org.jfree.report.expressions.sys.IsExportTypeExpression
    - org.jfree.report.expressions.sys.IsNullExpression