fenwicktree implementation in enwickTreeRangeQueryPointUpdate.java

[bhalchandratk]

hello,
Have question about "get" method implementation in FenwickTreeRangeQueryPointUpdate class. Does the intend of get method is to retrieve original element value or sum of the element stored at position?

https://github.com/williamfiset/Algorithms/blob/master/src/main/java/com/williamfiset/algorithms/datastructures/fenwicktree/FenwickTreeRangeQueryPointUpdate.java