Summary

The current specification of

api/java.desktop/javax/swing/plaf/basic/BasicSplitPaneDivider.html#getPreferredSize().

and

api/java.desktop/javax/swing/plaf/basic/BasicSplitPaneDivider.html#getMinimumSize()

does not match with the current implementation.

Problem

api/java.desktop/javax/swing/plaf/basic/BasicSplitPaneDivider.html#getPreferredSize()

and

api/java.desktop/javax/swing/plaf/basic/BasicSplitPaneDivider.html#getMinimumSize() specifies that these methods returns dividerSize x dividerSize value but in reality it returns dividerSize x 1 or 1 x dividerSize depending on the splitpanedivider's orientation

Solution

Rectified the specification of these methods to specify correct returned values.

Specification

     /**
-     * Returns dividerSize x dividerSize
+     * Returns the preferred size of the divider.
+     * @implNote In current implementation,
+     * if the splitpane is HORIZONTAL_SPLIT, the preferred size is obtained from
+     * width of {@code getDividerSize} pixels and height of 1 pixel
+     * If the splitpane is VERTICAL_SPLIT, the preferred size is obtained from
+     * height of {@code getDividerSize} pixels and width of 1 pixel
+     *
+     * @return a {@code Dimension} object containing the preferred size of
+     *         {@code BasicSplitPaneDivider}
      */
     public Dimension getPreferredSize() {

      /**
-     * Returns dividerSize x dividerSize
+     * Returns the minimum size of the divider.
+     * @implNote In current implementation,
+     * if the splitpane is HORIZONTAL_SPLIT, the minimum size is obtained from
+     * width of {@code getDividerSize} pixels and height of 1 pixel
+     * If the splitpane is VERTICAL_SPLIT, the minimum size is obtained from
+     * height of {@code getDividerSize} pixels and width of 1 pixel
+     *
+     * @return a {@code Dimension} object containing the minimum size of
+     *         {@code BasicSplitPaneDivider}
      */
     public Dimension getMinimumSize() {