org.jfree.data

Interface Values2D

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.

Method Summary

Modifier and Type	Method and Description
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 Detail

getRowCount

int getRowCount()

Returns the number of rows in the table.

Returns:

The row count.

getColumnCount

int getColumnCount()

Returns the number of columns in the table.

Returns:

The column count.

getValue

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:

IndexOutOfBoundsException - if the row or column is out of bounds.