It's possible to code C for years without using pointers except string functions.
It's possible to code C++ for years without using virtual, new/delete, template, operator overloading or even class.
It's possible to code python for years without creating classes.It's possible to code C++ for years without using virtual, new/delete, template, operator overloading or even class.
It's possible to code java/c# for years without any threading (beyond locking), or reflection
It's possible to code perl for years without using hash or regex.
It's possible to code SQL for years without writing outer joins. I guess I wrote lots of mysql queries without any join.