Notice that it has the order ('1', '10', '2') - this is because the list is being sorted in lexicographical order, which sorts numbers like you would letters (i.e. 'b', 'ba', 'c'). natsort provides a ...

Please read the Javadoc for the compare () method carefully. 1.2 Sorter Classes In this project, selection sort, insertion sort, mergesort, and quicksort are respectively implemented by the classes ...