what are the benefits of BufferedReader over Scanner

Question

here\'s a code about depth first search in graphs. who knows why bufferedReader class were used in this code? and why nextInt function not used instead? what is its privileg

Answer 1

It's an issue of how you intend to use the stream. A buffered reader exists for simple and threaded applications. This is due to scanner's lack of thread safety.

I think you'll get more on this from this question Scanner vs. BufferedReader