arun_m

While testing nuclear weapons is not in best interests of world, the 5 countries did it before 1968 got an advantage due to NPT.

[0]: https://en.wikipedia.org/wiki/Treaty_on_the_Non-Proliferatio...

There is a Join method in Linq, with entirely different meaning and matches string[]

https://docs.microsoft.com/en-us/dotnet/api/system.linq.enum...