why we use reference variable instead of pointer ???

Question

whether the working of both is same..

Answer 1

pz0375 it's not same....once reference is set, it cannot be updated where as pointer can be updated... reference can't be set to null, where as pointer can be null

reference variable is used for call by reference

Answer 2

Some helpful articles on the topic:
https://www.geeksforgeeks.org/pointers-vs-references-cpp/

https://stackoverflow.com/questions/114180/pointer-vs-reference

https://www.embedded.com/electronics-blogs/programming-pointers/4023307/References-vs-Pointers

Answer 3

reference could not store nullptr. It means you don't have to check it before dereference and write code for such exception cases.

Answer 4

good programe, but there is no Ukrainian language