org.jfree.data

Interface Values2D

Known Subinterfaces:
BoxAndWhiskerCategoryDataset, CategoryDataset, GanttCategoryDataset, IntervalCategoryDataset, KeyedValues2D, KeyedValues2DDataset, StatisticalCategoryDataset
Known Implementing Classes:
DefaultBoxAndWhiskerCategoryDataset, DefaultCategoryDataset, DefaultIntervalCategoryDataset, DefaultKeyedValues2D, DefaultKeyedValues2DDataset, DefaultStatisticalCategoryDataset, JDBCCategoryDataset, TaskSeriesCollection

public interface Values2D

A general purpose interface that can be used to access a table of values.

Method Summary

int
getColumnCount()
Returns the number of columns in the table.
int
getRowCount()
Returns the number of rows in the table.
Number
getValue(int row, int column)
Returns a value from the table.

Method Details

getColumnCount

public int getColumnCount()
Returns the number of columns in the table.
Returns:
The column count.

getRowCount

public int getRowCount()
Returns the number of rows in the table.
Returns:
The row count.

getValue

public 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).