Package 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
    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 Details

    • 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.