- hiddenColumns = new ArrayList<int[]>();
- int hiddenOffset = viewport.getSelectionGroup().getStartRes(), hiddenCutoff = viewport
- .getSelectionGroup().getEndRes();
- for (int[] region : viewport.getAlignment().getHiddenColumns()
- .getHiddenRegions())
+ hiddenColumns = new ArrayList<>();
+ int hiddenOffset = viewport.getSelectionGroup().getStartRes();
+ int hiddenCutoff = viewport.getSelectionGroup().getEndRes();
+ ArrayList<int[]> hiddenRegions = viewport.getAlignment()
+ .getHiddenColumns().getHiddenColumnsCopy();
+ for (int[] region : hiddenRegions)