org.jfree.chart.labels

## Interface XYToolTipGenerator

- All Known Implementing Classes:
    StandardXYToolTipGenerator

      public interface XYToolTipGenerator

  Interface for a tooltip generator for plots that use data from an `XYDataset`.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `java.lang.String` | `generateToolTip(XYDataset dataset, int series, int item)` Generates the tooltip text for the specified item.

- - ### Method Detail

    - #### generateToolTip

          java.lang.String generateToolTip(XYDataset dataset,
                                           int series,
                                           int item)

      Generates the tooltip text for the specified item.
      Parameters:
        `dataset` - the dataset (`null` not permitted).
        `series` - the series index (zero-based).
        `item` - the item index (zero-based).
      Returns:
        The tooltip text (possibly `null`).