Well, the C# 2.0 specification was written in 2002, but the compiler was only released in 2005, a year after Sun released J2SE 5.0. So from a implementation per

Well, the C# 2.0 specification was written in 2002, but the compiler was only released in 2005, a year after Sun released J2SE 5.0. So from a implementation perspective, Java had generics before C#.