| Name | Description | Type | Package | Framework |
| BaseCommonReturnValue | Base implementation of CommonReturnValue. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| BaseExpressionReturnValue | Base implementation of ExpressionReturnValue. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| BasePrintBookmark | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| BaseReturnValue | Base implementation of ReturnValue. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseBand | Used for implementing band functionality. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseBox | This is useful for drawing borders around text elements and images. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseBoxBottomPen | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseBoxLeftPen | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseBoxPen | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseBoxRightPen | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseBoxTopPen | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseBreak | The actual implementation of a break element. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseChart | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseChartDataset | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseChartPlot | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseChartPlot .JRBaseSeriesColor | Class | net.sf.jasperreports.engine.base.JRBaseChartPlot | Sourceforge Jasper Reports | |
| JRBaseComponentElement | A read-only JRComponentElement implementation which is included in compiled reports. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseConditionalStyle | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseDataset | The base implementation of JRDataset. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseDatasetParameter | Base read-only implementation of JRDatasetParameter. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseDatasetRun | Base implementation of the JRDatasetRun interface. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseElement | This class provides a skeleton implementation for a report element. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseElementDataset | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseElementGroup | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseEllipse | The actual implementation of a graphic element representing an ellipse. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseExpression | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseExpressionChunk | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseField | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseFont | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseFrame | Base read-only implementation of JRFrame. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseGenericElement | A read-only implementation of JRGenericElement that is included in compiled reports. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseGenericElementParameter | A read-only implementation of JRGenericElementParameter that is included in compiled reports. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseGenericPrintElement | A basic implementation of JRGenericPrintElement. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseGraphicElement | This class provides functionality common to graphic elements. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseGroup | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseHyperlink | Read-only implementation of JRHyperlink. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseHyperlinkParameter | Base implementation of JRHyperlinkParameter. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseImage | The actual implementation of a graphic element representing an image. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseLine | The actual implementation of a graphic element representing a straight line. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseLineBox | This is useful for drawing borders around text elements and images. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseObjectFactory | Factory of objects used in compiled reports. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseParagraph | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseParameter | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBasePart | A read-only JRPart implementation which is included in compiled reports. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBasePen | This is useful for drawing borders around text elements and images. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBasePrintElement | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBasePrintEllipse | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBasePrintFrame | Base implementation of JRPrintFrame. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBasePrintGraphicElement | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBasePrintHyperlink | Stand-alone implementation of JRPrintHyperlink. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBasePrintImage | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBasePrintLine | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBasePrintPage | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBasePrintRectangle | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBasePrintText | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBasePropertyExpression | Base implementation of JRPropertyExpression. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseQuery | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseQueryChunk | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseRectangle | The actual implementation of a graphic element representing a rectangle. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseReport | Base class that implements the JRReport interface. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseReportTemplate | Base read-only implementation of JRReportTemplate. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseScriptlet | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseSection | Used for implementing section functionality. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseSortField | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseStaticText | This class is used for representing a static text element. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseStyle | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseSubreport | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseSubreportParameter | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBaseSubreportReturnValue | Base implementation of JRSubreportReturnValue. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseTextElement | This class provides functionality common to text elements. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseTextField | This class is used for representing a text field. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRBaseVariable | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRBoxPen | Interface | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| JRVirtualPrintPage | A print page that can be virtualized to free heap memory. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| JRVirtualPrintPage .JRIdHolderRenderer | Dummy image renderer that only stores the ID of a cached renderer. | Class | net.sf.jasperreports.engine.base.JRVirtualPrintPage | Sourceforge Jasper Reports |
| JRVirtualPrintPage .JRIdHolderTemplateElement | Class | net.sf.jasperreports.engine.base.JRVirtualPrintPage | Sourceforge Jasper Reports | |
| StandardPrintParts | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports | |
| VirtualElementsData | Virtual data type used by report pages to virtualize elements. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |
| VirtualizableElementList | List implementation that can virtualize blocks of elements. | Class | net.sf.jasperreports.engine.base | Sourceforge Jasper Reports |