Package org.jfree.data
Interface Values2D
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- All Known Subinterfaces:
BoxAndWhiskerCategoryDataset
,CategoryDataset
,GanttCategoryDataset
,IntervalCategoryDataset
,KeyedValues2D
,KeyedValues2DDataset
,MultiValueCategoryDataset
,StatisticalCategoryDataset
- All Known Implementing Classes:
DefaultBoxAndWhiskerCategoryDataset
,DefaultCategoryDataset
,DefaultIntervalCategoryDataset
,DefaultKeyedValues2D
,DefaultKeyedValues2DDataset
,DefaultMultiValueCategoryDataset
,DefaultStatisticalCategoryDataset
,JDBCCategoryDataset
,SlidingCategoryDataset
,SlidingGanttCategoryDataset
,TaskSeriesCollection
public interface Values2D
A general purpose interface that can be used to access a table of values.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description int
getColumnCount()
Returns the number of columns in the table.int
getRowCount()
Returns the number of rows in the table.java.lang.Number
getValue(int row, int column)
Returns a value from the table.
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Method Detail
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getRowCount
int getRowCount()
Returns the number of rows in the table.- Returns:
- The row count.
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getColumnCount
int getColumnCount()
Returns the number of columns in the table.- Returns:
- The column count.
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getValue
java.lang.Number getValue(int row, int column)
Returns a value from the table.- Parameters:
row
- the row index (zero-based).column
- the column index (zero-based).- Returns:
- The value (possibly
null
). - Throws:
java.lang.IndexOutOfBoundsException
- if therow
orcolumn
is out of bounds.
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