Multiple choice Which of the following methods is not present in the AbstractLayoutCache class in java? getRowCount() getRowHeight() invalidateSizes() isRootVisible() isRowHeightFixed() Reveal answer Fill a bubble to check yourself E Correct answer Explanation This is the correct choice. There is no method named isRowHeightFixed() in AbstractLayoutCache class. The correct method name is isFixedRowHeight(). This method returns true if the height of each row is of a fixed size.